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Linux 5.3-rc4

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Merge tag 'v5.3-rc4' into patchwork

Linux 5.3-rc4

* tag 'v5.3-rc4': (750 commits)
  Linux 5.3-rc4
  Makefile: Convert -Wimplicit-fallthrough=3 to just -Wimplicit-fallthrough for clang
  ARM: ep93xx: Mark expected switch fall-through
  scsi: fas216: Mark expected switch fall-throughs
  pcmcia: db1xxx_ss: Mark expected switch fall-throughs
  video: fbdev: omapfb_main: Mark expected switch fall-throughs
  watchdog: riowd: Mark expected switch fall-through
  s390/net: Mark expected switch fall-throughs
  crypto: ux500/crypt: Mark expected switch fall-throughs
  watchdog: wdt977: Mark expected switch fall-through
  watchdog: scx200_wdt: Mark expected switch fall-through
  watchdog: Mark expected switch fall-throughs
  ARM: signal: Mark expected switch fall-through
  mfd: omap-usb-host: Mark expected switch fall-throughs
  mfd: db8500-prcmu: Mark expected switch fall-throughs
  ARM: OMAP: dma: Mark expected switch fall-throughs
  ARM: alignment: Mark expected switch fall-throughs
  ARM: tegra: Mark expected switch fall-through
  ARM/hw_breakpoint: Mark expected switch fall-throughs
  mm/memremap: Fix reuse of pgmap instances with internal references
  ...
This commit is contained in:
Mauro Carvalho Chehab 2019-08-12 13:22:54 -03:00
commit ae27c563a6
807 changed files with 8169 additions and 4536 deletions
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88
Documentation/admin-guide/hw-vuln/spectre.rst
View File

@ -41,10 +41,11 @@ Related CVEs
The following CVE entries describe Spectre variants:
============= ======================= =================
============= ======================= ==========================
CVE-2017-5753 Bounds check bypass Spectre variant 1
CVE-2017-5715 Branch target injection Spectre variant 2
============= ======================= =================
CVE-2019-1125 Spectre v1 swapgs Spectre variant 1 (swapgs)
============= ======================= ==========================
Problem
-------
@ -78,6 +79,13 @@ There are some extensions of Spectre variant 1 attacks for reading data
over the network, see :ref:`[12] <spec_ref12>`. However such attacks
are difficult, low bandwidth, fragile, and are considered low risk.
Note that, despite "Bounds Check Bypass" name, Spectre variant 1 is not
only about user-controlled array bounds checks. It can affect any
conditional checks. The kernel entry code interrupt, exception, and NMI
handlers all have conditional swapgs checks. Those may be problematic
in the context of Spectre v1, as kernel code can speculatively run with
a user GS.
Spectre variant 2 (Branch Target Injection)
-------------------------------------------
@ -132,6 +140,9 @@ not cover all possible attack vectors.
1. A user process attacking the kernel
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Spectre variant 1
~~~~~~~~~~~~~~~~~
The attacker passes a parameter to the kernel via a register or
via a known address in memory during a syscall. Such parameter may
be used later by the kernel as an index to an array or to derive
@ -144,7 +155,40 @@ not cover all possible attack vectors.
potentially be influenced for Spectre attacks, new "nospec" accessor
macros are used to prevent speculative loading of data.
Spectre variant 2 attacker can :ref:`poison <poison_btb>` the branch
Spectre variant 1 (swapgs)
~~~~~~~~~~~~~~~~~~~~~~~~~~
An attacker can train the branch predictor to speculatively skip the
swapgs path for an interrupt or exception. If they initialize
the GS register to a user-space value, if the swapgs is speculatively
skipped, subsequent GS-related percpu accesses in the speculation
window will be done with the attacker-controlled GS value. This
could cause privileged memory to be accessed and leaked.
For example:
::
if (coming from user space)
swapgs
mov %gs:<percpu_offset>, %reg
mov (%reg), %reg1
When coming from user space, the CPU can speculatively skip the
swapgs, and then do a speculative percpu load using the user GS
value. So the user can speculatively force a read of any kernel
value. If a gadget exists which uses the percpu value as an address
in another load/store, then the contents of the kernel value may
become visible via an L1 side channel attack.
A similar attack exists when coming from kernel space. The CPU can
speculatively do the swapgs, causing the user GS to get used for the
rest of the speculative window.
Spectre variant 2
~~~~~~~~~~~~~~~~~
A spectre variant 2 attacker can :ref:`poison <poison_btb>` the branch
target buffer (BTB) before issuing syscall to launch an attack.
After entering the kernel, the kernel could use the poisoned branch
target buffer on indirect jump and jump to gadget code in speculative
@ -280,11 +324,18 @@ The sysfs file showing Spectre variant 1 mitigation status is:
The possible values in this file are:
======================================= =================================
'Mitigation: __user pointer sanitation' Protection in kernel on a case by
case base with explicit pointer
sanitation.
======================================= =================================
.. list-table::
* - 'Not affected'
- The processor is not vulnerable.
* - 'Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers'
- The swapgs protections are disabled; otherwise it has
protection in the kernel on a case by case base with explicit
pointer sanitation and usercopy LFENCE barriers.
* - 'Mitigation: usercopy/swapgs barriers and __user pointer sanitization'
- Protection in the kernel on a case by case base with explicit
pointer sanitation, usercopy LFENCE barriers, and swapgs LFENCE
barriers.
However, the protections are put in place on a case by case basis,
and there is no guarantee that all possible attack vectors for Spectre
@ -366,12 +417,27 @@ Turning on mitigation for Spectre variant 1 and Spectre variant 2
1. Kernel mitigation
^^^^^^^^^^^^^^^^^^^^
Spectre variant 1
~~~~~~~~~~~~~~~~~
For the Spectre variant 1, vulnerable kernel code (as determined
by code audit or scanning tools) is annotated on a case by case
basis to use nospec accessor macros for bounds clipping :ref:`[2]
<spec_ref2>` to avoid any usable disclosure gadgets. However, it may
not cover all attack vectors for Spectre variant 1.
Copy-from-user code has an LFENCE barrier to prevent the access_ok()
check from being mis-speculated. The barrier is done by the
barrier_nospec() macro.
For the swapgs variant of Spectre variant 1, LFENCE barriers are
added to interrupt, exception and NMI entry where needed. These
barriers are done by the FENCE_SWAPGS_KERNEL_ENTRY and
FENCE_SWAPGS_USER_ENTRY macros.
Spectre variant 2
~~~~~~~~~~~~~~~~~
For Spectre variant 2 mitigation, the compiler turns indirect calls or
jumps in the kernel into equivalent return trampolines (retpolines)
:ref:`[3] <spec_ref3>` :ref:`[9] <spec_ref9>` to go to the target
@ -473,6 +539,12 @@ Mitigation control on the kernel command line
Spectre variant 2 mitigation can be disabled or force enabled at the
kernel command line.
nospectre_v1
[X86,PPC] Disable mitigations for Spectre Variant 1
(bounds check bypass). With this option data leaks are
possible in the system.
nospectre_v2
[X86] Disable all mitigations for the Spectre variant 2

8
Documentation/admin-guide/kernel-parameters.txt
View File

@ -2604,7 +2604,7 @@
expose users to several CPU vulnerabilities.
Equivalent to: nopti [X86,PPC]
kpti=0 [ARM64]
nospectre_v1 [PPC]
nospectre_v1 [X86,PPC]
nobp=0 [S390]
nospectre_v2 [X86,PPC,S390,ARM64]
spectre_v2_user=off [X86]
@ -2965,9 +2965,9 @@
nosmt=force: Force disable SMT, cannot be undone
via the sysfs control file.
nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds
check bypass). With this option data leaks are possible
in the system.
nospectre_v1 [X86,PPC] Disable mitigations for Spectre Variant 1
(bounds check bypass). With this option data leaks are
possible in the system.
nospectre_v2 [X86,PPC_FSL_BOOK3E,ARM64] Disable all mitigations for
the Spectre variant 2 (indirect branch prediction)

162
Documentation/devicetree/bindings/riscv/cpus.txt
View File

@ -1,162 +0,0 @@
===================
RISC-V CPU Bindings
===================
The device tree allows to describe the layout of CPUs in a system through
the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
defining properties for every cpu.
Bindings for CPU nodes follow the Devicetree Specification, available from:
https://www.devicetree.org/specifications/
with updates for 32-bit and 64-bit RISC-V systems provided in this document.
===========
Terminology
===========
This document uses some terminology common to the RISC-V community that is not
widely used, the definitions of which are listed here:
* hart: A hardware execution context, which contains all the state mandated by
the RISC-V ISA: a PC and some registers. This terminology is designed to
disambiguate software's view of execution contexts from any particular
microarchitectural implementation strategy. For example, my Intel laptop is
described as having one socket with two cores, each of which has two hyper
threads. Therefore this system has four harts.
=====================================
cpus and cpu node bindings definition
=====================================
The RISC-V architecture, in accordance with the Devicetree Specification,
requires the cpus and cpu nodes to be present and contain the properties
described below.
- cpus node
Description: Container of cpu nodes
The node name must be "cpus".
A cpus node must define the following properties:
- #address-cells
Usage: required
Value type: <u32>
Definition: must be set to 1
- #size-cells
Usage: required
Value type: <u32>
Definition: must be set to 0
- cpu node
Description: Describes a hart context
PROPERTIES
- device_type
Usage: required
Value type: <string>
Definition: must be "cpu"
- reg
Usage: required
Value type: <u32>
Definition: The hart ID of this CPU node
- compatible:
Usage: required
Value type: <stringlist>
Definition: must contain "riscv", may contain one of
"sifive,rocket0"
- mmu-type:
Usage: optional
Value type: <string>
Definition: Specifies the CPU's MMU type. Possible values are
"riscv,sv32"
"riscv,sv39"
"riscv,sv48"
- riscv,isa:
Usage: required
Value type: <string>
Definition: Contains the RISC-V ISA string of this hart. These
ISA strings are defined by the RISC-V ISA manual.
Example: SiFive Freedom U540G Development Kit
---------------------------------------------
This system contains two harts: a hart marked as disabled that's used for
low-level system tasks and should be ignored by Linux, and a second hart that
Linux is allowed to run on.
cpus {
#address-cells = <1>;
#size-cells = <0>;
timebase-frequency = <1000000>;
cpu@0 {
clock-frequency = <1600000000>;
compatible = "sifive,rocket0", "riscv";
device_type = "cpu";
i-cache-block-size = <64>;
i-cache-sets = <128>;
i-cache-size = <16384>;
next-level-cache = <&L15 &L0>;
reg = <0>;
riscv,isa = "rv64imac";
status = "disabled";
L10: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
interrupt-controller;
};
};
cpu@1 {
clock-frequency = <1600000000>;
compatible = "sifive,rocket0", "riscv";
d-cache-block-size = <64>;
d-cache-sets = <64>;
d-cache-size = <32768>;
d-tlb-sets = <1>;
d-tlb-size = <32>;
device_type = "cpu";
i-cache-block-size = <64>;
i-cache-sets = <64>;
i-cache-size = <32768>;
i-tlb-sets = <1>;
i-tlb-size = <32>;
mmu-type = "riscv,sv39";
next-level-cache = <&L15 &L0>;
reg = <1>;
riscv,isa = "rv64imafdc";
status = "okay";
tlb-split;
L13: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
interrupt-controller;
};
};
};
Example: Spike ISA Simulator with 1 Hart
----------------------------------------
This device tree matches the Spike ISA golden model as run with `spike -p1`.
cpus {
cpu@0 {
device_type = "cpu";
reg = <0x00000000>;
status = "okay";
compatible = "riscv";
riscv,isa = "rv64imafdc";
mmu-type = "riscv,sv48";
clock-frequency = <0x3b9aca00>;
interrupt-controller {
#interrupt-cells = <0x00000001>;
interrupt-controller;
compatible = "riscv,cpu-intc";
}
}
}

16
Documentation/devicetree/bindings/riscv/cpus.yaml
View File

@ -10,6 +10,18 @@ maintainers:
- Paul Walmsley <paul.walmsley@sifive.com>
- Palmer Dabbelt <palmer@sifive.com>
description: |
This document uses some terminology common to the RISC-V community
that is not widely used, the definitions of which are listed here:
hart: A hardware execution context, which contains all the state
mandated by the RISC-V ISA: a PC and some registers. This
terminology is designed to disambiguate software's view of execution
contexts from any particular microarchitectural implementation
strategy. For example, an Intel laptop containing one socket with
two cores, each of which has two hyperthreads, could be described as
having four harts.
properties:
compatible:
items:
@ -50,6 +62,10 @@ properties:
User-Level ISA document, available from
https://riscv.org/specifications/
While the isa strings in ISA specification are case
insensitive, letters in the riscv,isa string must be all
lowercase to simplify parsing.
timebase-frequency:
type: integer
minimum: 1

2
Documentation/devicetree/bindings/riscv/sifive.yaml
View File

@ -19,7 +19,7 @@ properties:
compatible:
items:
- enum:
- sifive,freedom-unleashed-a00
- sifive,hifive-unleashed-a00
- const: sifive,fu540-c000
- const: sifive,fu540
...

1
Documentation/devicetree/bindings/spi/spi-controller.yaml
View File

@ -73,7 +73,6 @@ patternProperties:
Compatible of the SPI device.
reg:
maxItems: 1
minimum: 0
maximum: 256
description:

26
Documentation/filesystems/cifs/TODO
View File

@ -13,7 +13,8 @@ a) SMB3 (and SMB3.1.1) missing optional features:
- T10 copy offload ie "ODX" (copy chunk, and "Duplicate Extents" ioctl
currently the only two server side copy mechanisms supported)
b) improved sparse file support
b) improved sparse file support (fiemap and SEEK_HOLE are implemented
but additional features would be supportable by the protocol).
c) Directory entry caching relies on a 1 second timer, rather than
using Directory Leases, currently only the root file handle is cached longer
@ -21,9 +22,13 @@ using Directory Leases, currently only the root file handle is cached longer
d) quota support (needs minor kernel change since quota calls
to make it to network filesystems or deviceless filesystems)
e) Additional use cases where we use "compoounding" (e.g. open/query/close
and open/setinfo/close) to reduce the number of roundtrips, and also
open to reduce redundant opens (using deferred close and reference counts more).
e) Additional use cases can be optimized to use "compounding"
(e.g. open/query/close and open/setinfo/close) to reduce the number
of roundtrips to the server and improve performance. Various cases
(stat, statfs, create, unlink, mkdir) already have been improved by
using compounding but more can be done. In addition we could significantly
reduce redundant opens by using deferred close (with handle caching leases)
and better using reference counters on file handles.
f) Finish inotify support so kde and gnome file list windows
will autorefresh (partially complete by Asser). Needs minor kernel
@ -43,18 +48,17 @@ mount or a per server basis to client UIDs or nobody if no mapping
exists. Also better integration with winbind for resolving SID owners
k) Add tools to take advantage of more smb3 specific ioctls and features
(passthrough ioctl/fsctl for sending various SMB3 fsctls to the server
is in progress, and a passthrough query_info call is already implemented
in cifs.ko to allow smb3 info levels queries to be sent from userspace)
(passthrough ioctl/fsctl is now implemented in cifs.ko to allow sending
various SMB3 fsctls and query info and set info calls directly from user space)
Add tools to make setting various non-POSIX metadata attributes easier
from tools (e.g. extending what was done in smb-info tool).
l) encrypted file support
m) improved stats gathering tools (perhaps integration with nfsometer?)
to extend and make easier to use what is currently in /proc/fs/cifs/Stats
n) allow setting more NTFS/SMB3 file attributes remotely (currently limited to compressed
file attribute via chflags) and improve user space tools for managing and
viewing them.
n) Add support for claims based ACLs ("DAC")
o) mount helper GUI (to simplify the various configuration options on mount)
@ -82,6 +86,8 @@ so far).
w) Add support for additional strong encryption types, and additional spnego
authentication mechanisms (see MS-SMB2)
x) Finish support for SMB3.1.1 compression
KNOWN BUGS
====================================
See http://bugzilla.samba.org - search on product "CifsVFS" for

23
Documentation/networking/tls-offload.rst
View File

@ -424,13 +424,24 @@ Statistics
Following minimum set of TLS-related statistics should be reported
by the driver:
* ``rx_tls_decrypted`` - number of successfully decrypted TLS segments
* ``tx_tls_encrypted`` - number of in-order TLS segments passed to device
for encryption
* ``rx_tls_decrypted_packets`` - number of successfully decrypted RX packets
which were part of a TLS stream.
* ``rx_tls_decrypted_bytes`` - number of TLS payload bytes in RX packets
which were successfully decrypted.
* ``tx_tls_encrypted_packets`` - number of TX packets passed to the device
for encryption of their TLS payload.
* ``tx_tls_encrypted_bytes`` - number of TLS payload bytes in TX packets
passed to the device for encryption.
* ``tx_tls_ctx`` - number of TLS TX HW offload contexts added to device for
encryption.
* ``tx_tls_ooo`` - number of TX packets which were part of a TLS stream
but did not arrive in the expected order
* ``tx_tls_drop_no_sync_data`` - number of TX packets dropped because
they arrived out of order and associated record could not be found
but did not arrive in the expected order.
* ``tx_tls_drop_no_sync_data`` - number of TX packets which were part of
a TLS stream dropped, because they arrived out of order and associated
record could not be found.
* ``tx_tls_drop_bypass_req`` - number of TX packets which were part of a TLS
stream dropped, because they contain both data that has been encrypted by
software and data that expects hardware crypto offload.
Notable corner cases, exceptions and additional requirements
============================================================

2
Documentation/vm/hmm.rst
View File

@ -237,7 +237,7 @@ The usage pattern is::
ret = hmm_range_snapshot(&range);
if (ret) {
up_read(&mm->mmap_sem);
if (ret == -EAGAIN) {
if (ret == -EBUSY) {
/*
* No need to check hmm_range_wait_until_valid() return value
* on retry we will get proper error with hmm_range_snapshot()

30
MAINTAINERS
View File

@ -2155,10 +2155,12 @@ F: Documentation/devicetree/bindings/arm/realtek.txt
ARM/RENESAS ARM64 ARCHITECTURE
M: Simon Horman <horms@verge.net.au>
M: Geert Uytterhoeven <geert+renesas@glider.be>
M: Magnus Damm <magnus.damm@gmail.com>
L: linux-renesas-soc@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
S: Supported
F: arch/arm64/boot/dts/renesas/
F: Documentation/devicetree/bindings/arm/renesas.yaml
@ -2269,10 +2271,12 @@ F: drivers/media/platform/s5p-mfc/
ARM/SHMOBILE ARM ARCHITECTURE
M: Simon Horman <horms@verge.net.au>
M: Geert Uytterhoeven <geert+renesas@glider.be>
M: Magnus Damm <magnus.damm@gmail.com>
L: linux-renesas-soc@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
S: Supported
F: arch/arm/boot/dts/emev2*
F: arch/arm/boot/dts/gr-peach*
@ -6322,7 +6326,8 @@ F: Documentation/devicetree/bindings/counter/ftm-quaddec.txt
F: drivers/counter/ftm-quaddec.c
FLOPPY DRIVER
S: Orphan
M: Denis Efremov <efremov@linux.com>
S: Odd Fixes
L: linux-block@vger.kernel.org
F: drivers/block/floppy.c
@ -6339,7 +6344,7 @@ FPGA MANAGER FRAMEWORK
M: Moritz Fischer <mdf@kernel.org>
L: linux-fpga@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/atull/linux-fpga.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga.git
Q: http://patchwork.kernel.org/project/linux-fpga/list/
F: Documentation/fpga/
F: Documentation/driver-api/fpga/
@ -6372,7 +6377,7 @@ FRAMEBUFFER LAYER
M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
L: dri-devel@lists.freedesktop.org
L: linux-fbdev@vger.kernel.org
T: git git://github.com/bzolnier/linux.git
T: git git://anongit.freedesktop.org/drm/drm-misc
Q: http://patchwork.kernel.org/project/linux-fbdev/list/
S: Maintained
F: Documentation/fb/
@ -6822,13 +6827,6 @@ F: Documentation/filesystems/gfs2*.txt
F: fs/gfs2/
F: include/uapi/linux/gfs2_ondisk.h
GIGASET ISDN DRIVERS
M: Paul Bolle <pebolle@tiscali.nl>
L: gigaset307x-common@lists.sourceforge.net
W: http://gigaset307x.sourceforge.net/
S: Odd Fixes
F: drivers/staging/isdn/gigaset/
GNSS SUBSYSTEM
M: Johan Hovold <johan@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss.git
@ -8044,6 +8042,7 @@ S: Maintained
F: drivers/video/fbdev/i810/
INTEL ASoC DRIVERS
M: Cezary Rojewski <cezary.rojewski@intel.com>
M: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
M: Liam Girdwood <liam.r.girdwood@linux.intel.com>
M: Jie Yang <yang.jie@linux.intel.com>
@ -11144,6 +11143,7 @@ L: netdev@vger.kernel.org
S: Maintained
W: https://fedorahosted.org/dropwatch/
F: net/core/drop_monitor.c
F: include/uapi/linux/net_dropmon.h
NETWORKING DRIVERS
M: "David S. Miller" <davem@davemloft.net>
@ -11282,6 +11282,7 @@ M: Aviad Yehezkel <aviadye@mellanox.com>
M: Dave Watson <davejwatson@fb.com>
M: John Fastabend <john.fastabend@gmail.com>
M: Daniel Borkmann <daniel@iogearbox.net>
M: Jakub Kicinski <jakub.kicinski@netronome.com>
L: netdev@vger.kernel.org
S: Maintained
F: net/tls/*
@ -14016,6 +14017,12 @@ F: drivers/media/common/saa7146/
F: drivers/media/pci/saa7146/
F: include/media/drv-intf/saa7146*
SAFESETID SECURITY MODULE
M: Micah Morton <mortonm@chromium.org>
S: Supported
F: security/safesetid/
F: Documentation/admin-guide/LSM/SafeSetID.rst
SAMSUNG AUDIO (ASoC) DRIVERS
M: Krzysztof Kozlowski <krzk@kernel.org>
M: Sangbeom Kim <sbkim73@samsung.com>
@ -16078,7 +16085,7 @@ S: Maintained
F: drivers/net/ethernet/ti/netcp*
TI PCM3060 ASoC CODEC DRIVER
M: Kirill Marinushkin <kmarinushkin@birdec.tech>
M: Kirill Marinushkin <kmarinushkin@birdec.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/sound/pcm3060.txt
@ -17554,7 +17561,6 @@ M: Jakub Kicinski <jakub.kicinski@netronome.com>
M: Jesper Dangaard Brouer <hawk@kernel.org>
M: John Fastabend <john.fastabend@gmail.com>
L: netdev@vger.kernel.org
L: xdp-newbies@vger.kernel.org
L: bpf@vger.kernel.org
S: Supported
F: net/core/xdp.c

27
Makefile
View File

@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 3
SUBLEVEL = 0
EXTRAVERSION = -rc2
EXTRAVERSION = -rc4
NAME = Bobtail Squid
# *DOCUMENTATION*
@ -419,6 +419,7 @@ NM = $(CROSS_COMPILE)nm
STRIP = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
OBJSIZE = $(CROSS_COMPILE)size
PAHOLE = pahole
LEX = flex
YACC = bison
@ -472,11 +473,12 @@ KBUILD_CFLAGS_MODULE := -DMODULE
KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
KBUILD_LDFLAGS :=
GCC_PLUGINS_CFLAGS :=
CLANG_FLAGS :=
export ARCH SRCARCH CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
export CPP AR NM STRIP OBJCOPY OBJDUMP PAHOLE KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
export MAKE LEX YACC AWK INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE
export HOSTCXX KBUILD_HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE PAHOLE LEX YACC AWK INSTALLKERNEL
export PERL PYTHON PYTHON2 PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE
export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
@ -519,7 +521,7 @@ endif
ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
ifneq ($(CROSS_COMPILE),)
CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE:%-=%))
CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR)
GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
@ -844,7 +846,7 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
KBUILD_CFLAGS += -Wdeclaration-after-statement
# Warn about unmarked fall-throughs in switch statement.
KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough=3,)
KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough,)
# Variable Length Arrays (VLAs) should not be used anywhere in the kernel
KBUILD_CFLAGS += -Wvla
@ -1001,6 +1003,8 @@ endif
PHONY += prepare0
export MODORDER := $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)modules.order
ifeq ($(KBUILD_EXTMOD),)
core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/
@ -1770,13 +1774,22 @@ build-dir = $(patsubst %/,%,$(dir $(build-target)))
$(Q)$(MAKE) $(build)=$(build-dir) $(build-target)
%.symtypes: prepare FORCE
$(Q)$(MAKE) $(build)=$(build-dir) $(build-target)
ifeq ($(KBUILD_EXTMOD),)
# For the single build of an in-tree module, use a temporary file to avoid
# the situation of modules_install installing an invalid modules.order.
%.ko: MODORDER := .modules.tmp
endif
%.ko: prepare FORCE
$(Q)$(MAKE) $(build)=$(build-dir) $(build-target:.ko=.mod)
$(Q)echo $(build-target) > $(MODORDER)
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
# Modules
PHONY += /
/: ./
%/: prepare FORCE
$(Q)$(MAKE) KBUILD_MODULES=1 $(build)=$(build-dir)
$(Q)$(MAKE) KBUILD_MODULES=1 $(build)=$(build-dir) need-modorder=1
# FIXME Should go into a make.lib or something
# ===========================================================================

4
arch/arm/include/asm/dma-mapping.h
View File

@ -18,7 +18,9 @@ extern const struct dma_map_ops arm_coherent_dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : NULL;
if (IS_ENABLED(CONFIG_MMU) && !IS_ENABLED(CONFIG_ARM_LPAE))
return &arm_dma_ops;
return NULL;
}
#ifdef __arch_page_to_dma

5
arch/arm/kernel/hw_breakpoint.c
View File

@ -544,6 +544,7 @@ static int arch_build_bp_info(struct perf_event *bp,
if ((hw->ctrl.type != ARM_BREAKPOINT_EXECUTE)
&& max_watchpoint_len >= 8)
break;
/* Else, fall through */
default:
return -EINVAL;
}
@ -608,10 +609,12 @@ int hw_breakpoint_arch_parse(struct perf_event *bp,
/* Allow halfword watchpoints and breakpoints. */
if (hw->ctrl.len == ARM_BREAKPOINT_LEN_2)
break;
/* Else, fall through */
case 3:
/* Allow single byte watchpoint. */
if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1)
break;
/* Else, fall through */
default:
ret = -EINVAL;
goto out;
@ -861,6 +864,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr,
break;
case ARM_ENTRY_ASYNC_WATCHPOINT:
WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n");
/* Fall through */
case ARM_ENTRY_SYNC_WATCHPOINT:
watchpoint_handler(addr, fsr, regs);
break;
@ -909,6 +913,7 @@ static bool core_has_os_save_restore(void)
ARM_DBG_READ(c1, c1, 4, oslsr);
if (oslsr & ARM_OSLSR_OSLM0)
return true;
/* Else, fall through */
default:
return false;
}

1
arch/arm/kernel/signal.c
View File

@ -596,6 +596,7 @@ static int do_signal(struct pt_regs *regs, int syscall)
switch (retval) {
case -ERESTART_RESTARTBLOCK:
restart -= 2;
/* Fall through */
case -ERESTARTNOHAND:
case -ERESTARTSYS:
case -ERESTARTNOINTR:

23
arch/arm/kvm/coproc.c
View File

@ -651,13 +651,22 @@ int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
}
static void reset_coproc_regs(struct kvm_vcpu *vcpu,
const struct coproc_reg *table, size_t num)
const struct coproc_reg *table, size_t num,
unsigned long *bmap)
{
unsigned long i;
for (i = 0; i < num; i++)
if (table[i].reset)
if (table[i].reset) {
int reg = table[i].reg;
table[i].reset(vcpu, &table[i]);
if (reg > 0 && reg < NR_CP15_REGS) {
set_bit(reg, bmap);
if (table[i].is_64bit)
set_bit(reg + 1, bmap);
}
}
}
static struct coproc_params decode_32bit_hsr(struct kvm_vcpu *vcpu)
@ -1432,17 +1441,15 @@ void kvm_reset_coprocs(struct kvm_vcpu *vcpu)
{
size_t num;
const struct coproc_reg *table;
/* Catch someone adding a register without putting in reset entry. */
memset(vcpu->arch.ctxt.cp15, 0x42, sizeof(vcpu->arch.ctxt.cp15));
DECLARE_BITMAP(bmap, NR_CP15_REGS) = { 0, };
/* Generic chip reset first (so target could override). */
reset_coproc_regs(vcpu, cp15_regs, ARRAY_SIZE(cp15_regs));
reset_coproc_regs(vcpu, cp15_regs, ARRAY_SIZE(cp15_regs), bmap);
table = get_target_table(vcpu->arch.target, &num);
reset_coproc_regs(vcpu, table, num);
reset_coproc_regs(vcpu, table, num, bmap);
for (num = 1; num < NR_CP15_REGS; num++)
WARN(vcpu_cp15(vcpu, num) == 0x42424242,
WARN(!test_bit(num, bmap),
"Didn't reset vcpu_cp15(vcpu, %zi)", num);
}

1
arch/arm/mach-ep93xx/crunch.c
View File

@ -49,6 +49,7 @@ static int crunch_do(struct notifier_block *self, unsigned long cmd, void *t)
* FALLTHROUGH: Ensure we don't try to overwrite our newly
* initialised state information on the first fault.
*/
/* Fall through */
case THREAD_NOTIFY_EXIT:
crunch_task_release(thread);

2
arch/arm/mach-tegra/reset.c
View File

@ -70,7 +70,7 @@ static void __init tegra_cpu_reset_handler_enable(void)
switch (err) {
case -ENOSYS:
tegra_cpu_reset_handler_set(reset_address);
/* pass-through */
/* fall through */
case 0:
is_enabled = true;
break;

5
arch/arm/mm/Kconfig
View File

@ -663,6 +663,11 @@ config ARM_LPAE
depends on MMU && CPU_32v7 && !CPU_32v6 && !CPU_32v5 && \
!CPU_32v4 && !CPU_32v3
select PHYS_ADDR_T_64BIT
select SWIOTLB
select ARCH_HAS_DMA_COHERENT_TO_PFN
select ARCH_HAS_DMA_MMAP_PGPROT
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_HAS_SYNC_DMA_FOR_CPU
help
Say Y if you have an ARMv7 processor supporting the LPAE page
table format and you would like to access memory beyond the

4
arch/arm/mm/alignment.c
View File

@ -695,7 +695,7 @@ thumb2arm(u16 tinstr)
return subset[(L<<1) | ((tinstr & (1<<8)) >> 8)] |
(tinstr & 255); /* register_list */
}
/* Else fall through for illegal instruction case */
/* Else, fall through - for illegal instruction case */
default:
return BAD_INSTR;
@ -751,6 +751,8 @@ do_alignment_t32_to_handler(unsigned long *pinstr, struct pt_regs *regs,
case 0xe8e0:
case 0xe9e0:
poffset->un = (tinst2 & 0xff) << 2;
/* Fall through */
case 0xe940:
case 0xe9c0:
return do_alignment_ldrdstrd;

61
arch/arm/mm/dma-mapping.c
View File

@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/dma-noncoherent.h>
#include <linux/dma-contiguous.h>
#include <linux/highmem.h>
#include <linux/memblock.h>
@ -1125,6 +1126,19 @@ int arm_dma_supported(struct device *dev, u64 mask)
static const struct dma_map_ops *arm_get_dma_map_ops(bool coherent)
{
/*
* When CONFIG_ARM_LPAE is set, physical address can extend above
* 32-bits, which then can't be addressed by devices that only support
* 32-bit DMA.
* Use the generic dma-direct / swiotlb ops code in that case, as that
* handles bounce buffering for us.
*
* Note: this checks CONFIG_ARM_LPAE instead of CONFIG_SWIOTLB as the
* latter is also selected by the Xen code, but that code for now relies
* on non-NULL dev_dma_ops. To be cleaned up later.
*/
if (IS_ENABLED(CONFIG_ARM_LPAE))
return NULL;
return coherent ? &arm_coherent_dma_ops : &arm_dma_ops;
}
@ -2329,6 +2343,9 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
const struct dma_map_ops *dma_ops;
dev->archdata.dma_coherent = coherent;
#ifdef CONFIG_SWIOTLB
dev->dma_coherent = coherent;
#endif
/*
* Don't override the dma_ops if they have already been set. Ideally
@ -2363,3 +2380,47 @@ void arch_teardown_dma_ops(struct device *dev)
/* Let arch_setup_dma_ops() start again from scratch upon re-probe */
set_dma_ops(dev, NULL);
}
#ifdef CONFIG_SWIOTLB
void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir)
{
__dma_page_cpu_to_dev(phys_to_page(paddr), paddr & (PAGE_SIZE - 1),
size, dir);
}
void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir)
{
__dma_page_dev_to_cpu(phys_to_page(paddr), paddr & (PAGE_SIZE - 1),
size, dir);
}
long arch_dma_coherent_to_pfn(struct device *dev, void *cpu_addr,
dma_addr_t dma_addr)
{
return dma_to_pfn(dev, dma_addr);
}
pgprot_t arch_dma_mmap_pgprot(struct device *dev, pgprot_t prot,
unsigned long attrs)
{
if (!dev_is_dma_coherent(dev))
return __get_dma_pgprot(attrs, prot);
return prot;
}
void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
gfp_t gfp, unsigned long attrs)
{
return __dma_alloc(dev, size, dma_handle, gfp,
__get_dma_pgprot(attrs, PAGE_KERNEL), false,
attrs, __builtin_return_address(0));
}
void arch_dma_free(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_handle, unsigned long attrs)
{
__arm_dma_free(dev, size, cpu_addr, dma_handle, attrs, false);
}
#endif /* CONFIG_SWIOTLB */

5
arch/arm/mm/init.c
View File

@ -21,6 +21,7 @@
#include <linux/dma-contiguous.h>
#include <linux/sizes.h>
#include <linux/stop_machine.h>
#include <linux/swiotlb.h>
#include <asm/cp15.h>
#include <asm/mach-types.h>
@ -463,6 +464,10 @@ static void __init free_highpages(void)
*/
void __init mem_init(void)
{
#ifdef CONFIG_ARM_LPAE
swiotlb_init(1);
#endif
set_max_mapnr(pfn_to_page(max_pfn) - mem_map);
/* this will put all unused low memory onto the freelists */

14
arch/arm/plat-omap/dma.c
View File

@ -388,17 +388,15 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
/*
* not supported by current hardware on OMAP1
* w |= (0x03 << 7);
* fall through
*/
/* fall through */
case OMAP_DMA_DATA_BURST_16:
if (dma_omap2plus()) {
burst = 0x3;
break;
}
/*
* OMAP1 don't support burst 16
* fall through
*/
/* OMAP1 don't support burst 16 */
/* fall through */
default:
BUG();
}
@ -474,10 +472,8 @@ void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
burst = 0x3;
break;
}
/*
* OMAP1 don't support burst 16
* fall through
*/
/* OMAP1 don't support burst 16 */
/* fall through */
default:
printk(KERN_ERR "Invalid DMA burst mode\n");
BUG();

2
arch/arm64/Makefile
View File

@ -52,7 +52,7 @@ ifeq ($(CONFIG_GENERIC_COMPAT_VDSO), y)
ifeq ($(CONFIG_CC_IS_CLANG), y)
$(warning CROSS_COMPILE_COMPAT is clang, the compat vDSO will not be built)
else ifeq ($(CROSS_COMPILE_COMPAT),)
else ifeq ($(strip $(CROSS_COMPILE_COMPAT)),)
$(warning CROSS_COMPILE_COMPAT not defined or empty, the compat vDSO will not be built)
else ifeq ($(shell which $(CROSS_COMPILE_COMPAT)gcc 2> /dev/null),)
$(error $(CROSS_COMPILE_COMPAT)gcc not found, check CROSS_COMPILE_COMPAT)

6
arch/arm64/include/asm/arch_gicv3.h
View File

@ -155,6 +155,12 @@ static inline void gic_pmr_mask_irqs(void)
BUILD_BUG_ON(GICD_INT_DEF_PRI < (GIC_PRIO_IRQOFF |
GIC_PRIO_PSR_I_SET));
BUILD_BUG_ON(GICD_INT_DEF_PRI >= GIC_PRIO_IRQON);
/*
* Need to make sure IRQON allows IRQs when SCR_EL3.FIQ is cleared
* and non-secure PMR accesses are not subject to the shifts that
* are applied to IRQ priorities
*/
BUILD_BUG_ON((0x80 | (GICD_INT_DEF_PRI >> 1)) >= GIC_PRIO_IRQON);
gic_write_pmr(GIC_PRIO_IRQOFF);
}

7
arch/arm64/include/asm/cpufeature.h
View File

@ -35,9 +35,10 @@
*/
enum ftr_type {
FTR_EXACT, /* Use a predefined safe value */
FTR_LOWER_SAFE, /* Smaller value is safe */
FTR_HIGHER_SAFE,/* Bigger value is safe */
FTR_EXACT, /* Use a predefined safe value */
FTR_LOWER_SAFE, /* Smaller value is safe */
FTR_HIGHER_SAFE, /* Bigger value is safe */
FTR_HIGHER_OR_ZERO_SAFE, /* Bigger value is safe, but 0 is biggest */
};
#define FTR_STRICT true /* SANITY check strict matching required */

2
arch/arm64/include/asm/daifflags.h
View File

@ -13,6 +13,8 @@
#define DAIF_PROCCTX 0
#define DAIF_PROCCTX_NOIRQ PSR_I_BIT
#define DAIF_ERRCTX (PSR_I_BIT | PSR_A_BIT)
#define DAIF_MASK (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT)
/* mask/save/unmask/restore all exceptions, including interrupts. */
static inline void local_daif_mask(void)

6
arch/arm64/include/asm/efi.h
View File

@ -105,7 +105,11 @@ static inline unsigned long efi_get_max_initrd_addr(unsigned long dram_base,
((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
#define alloc_screen_info(x...) &screen_info
#define free_screen_info(x...)
static inline void free_screen_info(efi_system_table_t *sys_table_arg,
struct screen_info *si)
{
}
/* redeclare as 'hidden' so the compiler will generate relative references */
extern struct screen_info screen_info __attribute__((__visibility__("hidden")));

7
arch/arm64/include/asm/kvm_arm.h
View File

@ -316,9 +316,10 @@
#define kvm_arm_exception_class \
ECN(UNKNOWN), ECN(WFx), ECN(CP15_32), ECN(CP15_64), ECN(CP14_MR), \
ECN(CP14_LS), ECN(FP_ASIMD), ECN(CP10_ID), ECN(CP14_64), ECN(SVC64), \
ECN(HVC64), ECN(SMC64), ECN(SYS64), ECN(IMP_DEF), ECN(IABT_LOW), \
ECN(IABT_CUR), ECN(PC_ALIGN), ECN(DABT_LOW), ECN(DABT_CUR), \
ECN(CP14_LS), ECN(FP_ASIMD), ECN(CP10_ID), ECN(PAC), ECN(CP14_64), \
ECN(SVC64), ECN(HVC64), ECN(SMC64), ECN(SYS64), ECN(SVE), \
ECN(IMP_DEF), ECN(IABT_LOW), ECN(IABT_CUR), \
ECN(PC_ALIGN), ECN(DABT_LOW), ECN(DABT_CUR), \
ECN(SP_ALIGN), ECN(FP_EXC32), ECN(FP_EXC64), ECN(SERROR), \
ECN(BREAKPT_LOW), ECN(BREAKPT_CUR), ECN(SOFTSTP_LOW), \
ECN(SOFTSTP_CUR), ECN(WATCHPT_LOW), ECN(WATCHPT_CUR), \

10
arch/arm64/include/asm/memory.h
View File

@ -210,7 +210,11 @@ extern u64 vabits_user;
#define __tag_reset(addr) untagged_addr(addr)
#define __tag_get(addr) (__u8)((u64)(addr) >> 56)
#else
#define __tag_set(addr, tag) (addr)
static inline const void *__tag_set(const void *addr, u8 tag)
{
return addr;
}
#define __tag_reset(addr) (addr)
#define __tag_get(addr) 0
#endif
@ -301,8 +305,8 @@ static inline void *phys_to_virt(phys_addr_t x)
#define page_to_virt(page) ({ \
unsigned long __addr = \
((__page_to_voff(page)) | PAGE_OFFSET); \
unsigned long __addr_tag = \
__tag_set(__addr, page_kasan_tag(page)); \
const void *__addr_tag = \
__tag_set((void *)__addr, page_kasan_tag(page)); \
((void *)__addr_tag); \
})

11
arch/arm64/include/asm/pgtable.h
View File

@ -209,7 +209,7 @@ static inline pmd_t pmd_mkcont(pmd_t pmd)
static inline pte_t pte_mkdevmap(pte_t pte)
{
return set_pte_bit(pte, __pgprot(PTE_DEVMAP));
return set_pte_bit(pte, __pgprot(PTE_DEVMAP | PTE_SPECIAL));
}
static inline void set_pte(pte_t *ptep, pte_t pte)
@ -396,7 +396,10 @@ static inline int pmd_protnone(pmd_t pmd)
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
#define pmd_devmap(pmd) pte_devmap(pmd_pte(pmd))
#endif
#define pmd_mkdevmap(pmd) pte_pmd(pte_mkdevmap(pmd_pte(pmd)))
static inline pmd_t pmd_mkdevmap(pmd_t pmd)
{
return pte_pmd(set_pte_bit(pmd_pte(pmd), __pgprot(PTE_DEVMAP)));
}
#define __pmd_to_phys(pmd) __pte_to_phys(pmd_pte(pmd))
#define __phys_to_pmd_val(phys) __phys_to_pte_val(phys)
@ -447,8 +450,8 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
PMD_TYPE_SECT)
#if defined(CONFIG_ARM64_64K_PAGES) || CONFIG_PGTABLE_LEVELS < 3
#define pud_sect(pud) (0)
#define pud_table(pud) (1)
static inline bool pud_sect(pud_t pud) { return false; }
static inline bool pud_table(pud_t pud) { return true; }
#else
#define pud_sect(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \
PUD_TYPE_SECT)

2
arch/arm64/include/asm/ptrace.h
View File

@ -30,7 +30,7 @@
* in the the priority mask, it indicates that PSR.I should be set and
* interrupt disabling temporarily does not rely on IRQ priorities.
*/
#define GIC_PRIO_IRQON 0xc0
#define GIC_PRIO_IRQON 0xe0
#define GIC_PRIO_IRQOFF (GIC_PRIO_IRQON & ~0x80)
#define GIC_PRIO_PSR_I_SET (1 << 4)

40
arch/arm64/include/asm/vdso/compat_gettimeofday.h
View File

@ -16,6 +16,8 @@
#define VDSO_HAS_CLOCK_GETRES 1
#define VDSO_HAS_32BIT_FALLBACK 1
static __always_inline
int gettimeofday_fallback(struct __kernel_old_timeval *_tv,
struct timezone *_tz)
@ -51,6 +53,23 @@ long clock_gettime_fallback(clockid_t _clkid, struct __kernel_timespec *_ts)
return ret;
}
static __always_inline
long clock_gettime32_fallback(clockid_t _clkid, struct old_timespec32 *_ts)
{
register struct old_timespec32 *ts asm("r1") = _ts;
register clockid_t clkid asm("r0") = _clkid;
register long ret asm ("r0");
register long nr asm("r7") = __NR_compat_clock_gettime;
asm volatile(
" swi #0\n"
: "=r" (ret)
: "r" (clkid), "r" (ts), "r" (nr)
: "memory");
return ret;
}
static __always_inline
int clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts)
{
@ -72,6 +91,27 @@ int clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts)
return ret;
}
static __always_inline
int clock_getres32_fallback(clockid_t _clkid, struct old_timespec32 *_ts)
{
register struct old_timespec32 *ts asm("r1") = _ts;
register clockid_t clkid asm("r0") = _clkid;
register long ret asm ("r0");
register long nr asm("r7") = __NR_compat_clock_getres;
/* The checks below are required for ABI consistency with arm */
if ((_clkid >= MAX_CLOCKS) && (_ts == NULL))
return -EINVAL;
asm volatile(
" swi #0\n"
: "=r" (ret)
: "r" (clkid), "r" (ts), "r" (nr)
: "memory");
return ret;
}
static __always_inline u64 __arch_get_hw_counter(s32 clock_mode)
{
u64 res;

8
arch/arm64/kernel/cpufeature.c
View File

@ -225,8 +225,8 @@ static const struct arm64_ftr_bits ftr_ctr[] = {
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, 31, 1, 1), /* RES1 */
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, CTR_DIC_SHIFT, 1, 1),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, CTR_IDC_SHIFT, 1, 1),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_SAFE, CTR_CWG_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_SAFE, CTR_ERG_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_OR_ZERO_SAFE, CTR_CWG_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_OR_ZERO_SAFE, CTR_ERG_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, CTR_DMINLINE_SHIFT, 4, 1),
/*
* Linux can handle differing I-cache policies. Userspace JITs will
@ -468,6 +468,10 @@ static s64 arm64_ftr_safe_value(const struct arm64_ftr_bits *ftrp, s64 new,
case FTR_LOWER_SAFE:
ret = new < cur ? new : cur;
break;
case FTR_HIGHER_OR_ZERO_SAFE:
if (!cur || !new)
break;
/* Fallthrough */
case FTR_HIGHER_SAFE:
ret = new > cur ? new : cur;
break;

14
arch/arm64/kernel/debug-monitors.c
View File

@ -207,16 +207,16 @@ static int call_step_hook(struct pt_regs *regs, unsigned int esr)
list = user_mode(regs) ? &user_step_hook : &kernel_step_hook;
rcu_read_lock();
/*
* Since single-step exception disables interrupt, this function is
* entirely not preemptible, and we can use rcu list safely here.
*/
list_for_each_entry_rcu(hook, list, node) {
retval = hook->fn(regs, esr);
if (retval == DBG_HOOK_HANDLED)
break;
}
rcu_read_unlock();
return retval;
}
NOKPROBE_SYMBOL(call_step_hook);
@ -305,14 +305,16 @@ static int call_break_hook(struct pt_regs *regs, unsigned int esr)
list = user_mode(regs) ? &user_break_hook : &kernel_break_hook;
rcu_read_lock();
/*
* Since brk exception disables interrupt, this function is
* entirely not preemptible, and we can use rcu list safely here.
*/
list_for_each_entry_rcu(hook, list, node) {
unsigned int comment = esr & ESR_ELx_BRK64_ISS_COMMENT_MASK;
if ((comment & ~hook->mask) == hook->imm)
fn = hook->fn;
}
rcu_read_unlock();
return fn ? fn(regs, esr) : DBG_HOOK_ERROR;
}

11
arch/arm64/kernel/hw_breakpoint.c
View File

@ -536,13 +536,18 @@ int hw_breakpoint_arch_parse(struct perf_event *bp,
/* Aligned */
break;
case 1:
/* Allow single byte watchpoint. */
if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1)
break;
case 2:
/* Allow halfword watchpoints and breakpoints. */
if (hw->ctrl.len == ARM_BREAKPOINT_LEN_2)
break;
/* Fallthrough */
case 3:
/* Allow single byte watchpoint. */
if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1)
break;
/* Fallthrough */
default:
return -EINVAL;
}

4
arch/arm64/kernel/module.c
View File

@ -314,18 +314,21 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
/* MOVW instruction relocations. */
case R_AARCH64_MOVW_UABS_G0_NC:
overflow_check = false;
/* Fall through */
case R_AARCH64_MOVW_UABS_G0:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 0,
AARCH64_INSN_IMM_MOVKZ);
break;
case R_AARCH64_MOVW_UABS_G1_NC:
overflow_check = false;
/* Fall through */
case R_AARCH64_MOVW_UABS_G1:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 16,
AARCH64_INSN_IMM_MOVKZ);
break;
case R_AARCH64_MOVW_UABS_G2_NC:
overflow_check = false;
/* Fall through */
case R_AARCH64_MOVW_UABS_G2:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 32,
AARCH64_INSN_IMM_MOVKZ);
@ -393,6 +396,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
break;
case R_AARCH64_ADR_PREL_PG_HI21_NC:
overflow_check = false;
/* Fall through */
case R_AARCH64_ADR_PREL_PG_HI21:
ovf = reloc_insn_adrp(me, sechdrs, loc, val);
if (ovf && ovf != -ERANGE)

40
arch/arm64/kernel/probes/kprobes.c
View File

@ -21,6 +21,7 @@
#include <asm/ptrace.h>
#include <asm/cacheflush.h>
#include <asm/debug-monitors.h>
#include <asm/daifflags.h>
#include <asm/system_misc.h>
#include <asm/insn.h>
#include <linux/uaccess.h>
@ -167,33 +168,6 @@ static void __kprobes set_current_kprobe(struct kprobe *p)
__this_cpu_write(current_kprobe, p);
}
/*
* When PSTATE.D is set (masked), then software step exceptions can not be
* generated.
* SPSR's D bit shows the value of PSTATE.D immediately before the
* exception was taken. PSTATE.D is set while entering into any exception
* mode, however software clears it for any normal (none-debug-exception)
* mode in the exception entry. Therefore, when we are entering into kprobe
* breakpoint handler from any normal mode then SPSR.D bit is already
* cleared, however it is set when we are entering from any debug exception
* mode.
* Since we always need to generate single step exception after a kprobe
* breakpoint exception therefore we need to clear it unconditionally, when
* we become sure that the current breakpoint exception is for kprobe.
*/
static void __kprobes
spsr_set_debug_flag(struct pt_regs *regs, int mask)
{
unsigned long spsr = regs->pstate;
if (mask)
spsr |= PSR_D_BIT;
else
spsr &= ~PSR_D_BIT;
regs->pstate = spsr;
}
/*
* Interrupts need to be disabled before single-step mode is set, and not
* reenabled until after single-step mode ends.
@ -205,17 +179,17 @@ spsr_set_debug_flag(struct pt_regs *regs, int mask)
static void __kprobes kprobes_save_local_irqflag(struct kprobe_ctlblk *kcb,
struct pt_regs *regs)
{
kcb->saved_irqflag = regs->pstate;
kcb->saved_irqflag = regs->pstate & DAIF_MASK;
regs->pstate |= PSR_I_BIT;
/* Unmask PSTATE.D for enabling software step exceptions. */
regs->pstate &= ~PSR_D_BIT;
}
static void __kprobes kprobes_restore_local_irqflag(struct kprobe_ctlblk *kcb,
struct pt_regs *regs)
{
if (kcb->saved_irqflag & PSR_I_BIT)
regs->pstate |= PSR_I_BIT;
else
regs->pstate &= ~PSR_I_BIT;
regs->pstate &= ~DAIF_MASK;
regs->pstate |= kcb->saved_irqflag;
}
static void __kprobes
@ -252,8 +226,6 @@ static void __kprobes setup_singlestep(struct kprobe *p,
set_ss_context(kcb, slot); /* mark pending ss */
spsr_set_debug_flag(regs, 0);
/* IRQs and single stepping do not mix well. */
kprobes_save_local_irqflag(kcb, regs);
kernel_enable_single_step(regs);

3
arch/arm64/kernel/return_address.c
View File

@ -8,6 +8,7 @@
#include <linux/export.h>
#include <linux/ftrace.h>
#include <linux/kprobes.h>
#include <asm/stack_pointer.h>
#include <asm/stacktrace.h>
@ -29,6 +30,7 @@ static int save_return_addr(struct stackframe *frame, void *d)
return 0;
}
}
NOKPROBE_SYMBOL(save_return_addr);
void *return_address(unsigned int level)
{
@ -49,3 +51,4 @@ void *return_address(unsigned int level)
return NULL;
}
EXPORT_SYMBOL_GPL(return_address);
NOKPROBE_SYMBOL(return_address);

2
arch/arm64/kernel/smp.c
View File

@ -152,8 +152,8 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
pr_crit("CPU%u: died during early boot\n", cpu);
break;
}
/* Fall through */
pr_crit("CPU%u: may not have shut down cleanly\n", cpu);
/* Fall through */
case CPU_STUCK_IN_KERNEL:
pr_crit("CPU%u: is stuck in kernel\n", cpu);
if (status & CPU_STUCK_REASON_52_BIT_VA)

3
arch/arm64/kernel/stacktrace.c
View File

@ -7,6 +7,7 @@
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/ftrace.h>
#include <linux/kprobes.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/sched/task_stack.h>
@ -111,6 +112,7 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame)
return 0;
}
NOKPROBE_SYMBOL(unwind_frame);
void notrace walk_stackframe(struct task_struct *tsk, struct stackframe *frame,
int (*fn)(struct stackframe *, void *), void *data)
@ -125,6 +127,7 @@ void notrace walk_stackframe(struct task_struct *tsk, struct stackframe *frame,
break;
}
}
NOKPROBE_SYMBOL(walk_stackframe);
#ifdef CONFIG_STACKTRACE
struct stack_trace_data {

1
arch/arm64/kernel/traps.c
View File

@ -733,6 +733,7 @@ static const char *esr_class_str[] = {
[ESR_ELx_EC_CP14_LS] = "CP14 LDC/STC",
[ESR_ELx_EC_FP_ASIMD] = "ASIMD",
[ESR_ELx_EC_CP10_ID] = "CP10 MRC/VMRS",
[ESR_ELx_EC_PAC] = "PAC",
[ESR_ELx_EC_CP14_64] = "CP14 MCRR/MRRC",
[ESR_ELx_EC_ILL] = "PSTATE.IL",
[ESR_ELx_EC_SVC32] = "SVC (AArch32)",

30
arch/arm64/kvm/hyp/debug-sr.c
View File

@ -18,40 +18,70 @@
#define save_debug(ptr,reg,nr) \
switch (nr) { \
case 15: ptr[15] = read_debug(reg, 15); \
/* Fall through */ \
case 14: ptr[14] = read_debug(reg, 14); \
/* Fall through */ \
case 13: ptr[13] = read_debug(reg, 13); \
/* Fall through */ \
case 12: ptr[12] = read_debug(reg, 12); \
/* Fall through */ \
case 11: ptr[11] = read_debug(reg, 11); \
/* Fall through */ \
case 10: ptr[10] = read_debug(reg, 10); \
/* Fall through */ \
case 9: ptr[9] = read_debug(reg, 9); \
/* Fall through */ \
case 8: ptr[8] = read_debug(reg, 8); \
/* Fall through */ \
case 7: ptr[7] = read_debug(reg, 7); \
/* Fall through */ \
case 6: ptr[6] = read_debug(reg, 6); \
/* Fall through */ \
case 5: ptr[5] = read_debug(reg, 5); \
/* Fall through */ \
case 4: ptr[4] = read_debug(reg, 4); \
/* Fall through */ \
case 3: ptr[3] = read_debug(reg, 3); \
/* Fall through */ \
case 2: ptr[2] = read_debug(reg, 2); \
/* Fall through */ \
case 1: ptr[1] = read_debug(reg, 1); \
/* Fall through */ \
default: ptr[0] = read_debug(reg, 0); \
}
#define restore_debug(ptr,reg,nr) \
switch (nr) { \
case 15: write_debug(ptr[15], reg, 15); \
/* Fall through */ \
case 14: write_debug(ptr[14], reg, 14); \
/* Fall through */ \
case 13: write_debug(ptr[13], reg, 13); \
/* Fall through */ \
case 12: write_debug(ptr[12], reg, 12); \
/* Fall through */ \
case 11: write_debug(ptr[11], reg, 11); \
/* Fall through */ \
case 10: write_debug(ptr[10], reg, 10); \
/* Fall through */ \
case 9: write_debug(ptr[9], reg, 9); \
/* Fall through */ \
case 8: write_debug(ptr[8], reg, 8); \
/* Fall through */ \
case 7: write_debug(ptr[7], reg, 7); \
/* Fall through */ \
case 6: write_debug(ptr[6], reg, 6); \
/* Fall through */ \
case 5: write_debug(ptr[5], reg, 5); \
/* Fall through */ \
case 4: write_debug(ptr[4], reg, 4); \
/* Fall through */ \
case 3: write_debug(ptr[3], reg, 3); \
/* Fall through */ \
case 2: write_debug(ptr[2], reg, 2); \
/* Fall through */ \
case 1: write_debug(ptr[1], reg, 1); \
/* Fall through */ \
default: write_debug(ptr[0], reg, 0); \
}

5
arch/arm64/kvm/regmap.c
View File

@ -178,13 +178,18 @@ void vcpu_write_spsr32(struct kvm_vcpu *vcpu, unsigned long v)
switch (spsr_idx) {
case KVM_SPSR_SVC:
write_sysreg_el1(v, SYS_SPSR);
break;
case KVM_SPSR_ABT:
write_sysreg(v, spsr_abt);
break;
case KVM_SPSR_UND:
write_sysreg(v, spsr_und);
break;
case KVM_SPSR_IRQ:
write_sysreg(v, spsr_irq);
break;
case KVM_SPSR_FIQ:
write_sysreg(v, spsr_fiq);
break;
}
}

32
arch/arm64/kvm/sys_regs.c
View File

@ -632,7 +632,7 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
*/
val = ((pmcr & ~ARMV8_PMU_PMCR_MASK)
| (ARMV8_PMU_PMCR_MASK & 0xdecafbad)) & (~ARMV8_PMU_PMCR_E);
__vcpu_sys_reg(vcpu, PMCR_EL0) = val;
__vcpu_sys_reg(vcpu, r->reg) = val;
}
static bool check_pmu_access_disabled(struct kvm_vcpu *vcpu, u64 flags)
@ -981,13 +981,13 @@ static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
/* Silly macro to expand the DBG{BCR,BVR,WVR,WCR}n_EL1 registers in one go */
#define DBG_BCR_BVR_WCR_WVR_EL1(n) \
{ SYS_DESC(SYS_DBGBVRn_EL1(n)), \
trap_bvr, reset_bvr, n, 0, get_bvr, set_bvr }, \
trap_bvr, reset_bvr, 0, 0, get_bvr, set_bvr }, \
{ SYS_DESC(SYS_DBGBCRn_EL1(n)), \
trap_bcr, reset_bcr, n, 0, get_bcr, set_bcr }, \
trap_bcr, reset_bcr, 0, 0, get_bcr, set_bcr }, \
{ SYS_DESC(SYS_DBGWVRn_EL1(n)), \
trap_wvr, reset_wvr, n, 0, get_wvr, set_wvr }, \
trap_wvr, reset_wvr, 0, 0, get_wvr, set_wvr }, \
{ SYS_DESC(SYS_DBGWCRn_EL1(n)), \
trap_wcr, reset_wcr, n, 0, get_wcr, set_wcr }
trap_wcr, reset_wcr, 0, 0, get_wcr, set_wcr }
/* Macro to expand the PMEVCNTRn_EL0 register */
#define PMU_PMEVCNTR_EL0(n) \
@ -1540,7 +1540,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_CSSELR_EL1), access_csselr, reset_unknown, CSSELR_EL1 },
{ SYS_DESC(SYS_CTR_EL0), access_ctr },
{ SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, },
{ SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 },
{ SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
{ SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, NULL, PMCNTENSET_EL0 },
{ SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, NULL, PMOVSSET_EL0 },
@ -2254,13 +2254,19 @@ static int emulate_sys_reg(struct kvm_vcpu *vcpu,
}
static void reset_sys_reg_descs(struct kvm_vcpu *vcpu,
const struct sys_reg_desc *table, size_t num)
const struct sys_reg_desc *table, size_t num,
unsigned long *bmap)
{
unsigned long i;
for (i = 0; i < num; i++)
if (table[i].reset)
if (table[i].reset) {
int reg = table[i].reg;
table[i].reset(vcpu, &table[i]);
if (reg > 0 && reg < NR_SYS_REGS)
set_bit(reg, bmap);
}
}
/**
@ -2774,18 +2780,16 @@ void kvm_reset_sys_regs(struct kvm_vcpu *vcpu)
{
size_t num;
const struct sys_reg_desc *table;
/* Catch someone adding a register without putting in reset entry. */
memset(&vcpu->arch.ctxt.sys_regs, 0x42, sizeof(vcpu->arch.ctxt.sys_regs));
DECLARE_BITMAP(bmap, NR_SYS_REGS) = { 0, };
/* Generic chip reset first (so target could override). */
reset_sys_reg_descs(vcpu, sys_reg_descs, ARRAY_SIZE(sys_reg_descs));
reset_sys_reg_descs(vcpu, sys_reg_descs, ARRAY_SIZE(sys_reg_descs), bmap);
table = get_target_table(vcpu->arch.target, true, &num);
reset_sys_reg_descs(vcpu, table, num);
reset_sys_reg_descs(vcpu, table, num, bmap);
for (num = 1; num < NR_SYS_REGS; num++) {
if (WARN(__vcpu_sys_reg(vcpu, num) == 0x4242424242424242,
if (WARN(!test_bit(num, bmap),
"Didn't reset __vcpu_sys_reg(%zi)\n", num))
break;
}

57
arch/arm64/mm/fault.c
View File

@ -777,6 +777,53 @@ void __init hook_debug_fault_code(int nr,
debug_fault_info[nr].name = name;
}
/*
* In debug exception context, we explicitly disable preemption despite
* having interrupts disabled.
* This serves two purposes: it makes it much less likely that we would
* accidentally schedule in exception context and it will force a warning
* if we somehow manage to schedule by accident.
*/
static void debug_exception_enter(struct pt_regs *regs)
{
/*
* Tell lockdep we disabled irqs in entry.S. Do nothing if they were
* already disabled to preserve the last enabled/disabled addresses.
*/
if (interrupts_enabled(regs))
trace_hardirqs_off();
if (user_mode(regs)) {
RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU");
} else {
/*
* We might have interrupted pretty much anything. In
* fact, if we're a debug exception, we can even interrupt
* NMI processing. We don't want this code makes in_nmi()
* to return true, but we need to notify RCU.
*/
rcu_nmi_enter();
}
preempt_disable();
/* This code is a bit fragile. Test it. */
RCU_LOCKDEP_WARN(!rcu_is_watching(), "exception_enter didn't work");
}
NOKPROBE_SYMBOL(debug_exception_enter);
static void debug_exception_exit(struct pt_regs *regs)
{
preempt_enable_no_resched();
if (!user_mode(regs))
rcu_nmi_exit();
if (interrupts_enabled(regs))
trace_hardirqs_on();
}
NOKPROBE_SYMBOL(debug_exception_exit);
#ifdef CONFIG_ARM64_ERRATUM_1463225
DECLARE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);
@ -817,12 +864,7 @@ asmlinkage void __exception do_debug_exception(unsigned long addr_if_watchpoint,
if (cortex_a76_erratum_1463225_debug_handler(regs))
return;
/*
* Tell lockdep we disabled irqs in entry.S. Do nothing if they were
* already disabled to preserve the last enabled/disabled addresses.
*/
if (interrupts_enabled(regs))
trace_hardirqs_off();
debug_exception_enter(regs);
if (user_mode(regs) && !is_ttbr0_addr(pc))
arm64_apply_bp_hardening();
@ -832,7 +874,6 @@ asmlinkage void __exception do_debug_exception(unsigned long addr_if_watchpoint,
inf->sig, inf->code, (void __user *)pc, esr);
}
if (interrupts_enabled(regs))
trace_hardirqs_on();
debug_exception_exit(regs);
}
NOKPROBE_SYMBOL(do_debug_exception);

1
arch/mips/cavium-octeon/octeon-usb.c
View File

@ -398,6 +398,7 @@ static int dwc3_octeon_clocks_start(struct device *dev, u64 base)
default:
dev_err(dev, "Invalid ref_clk %u, using 100000000 instead\n",
clock_rate);
/* fall through */
case 100000000:
mpll_mul = 0x19;
if (ref_clk_sel < 2)

2
arch/mips/kernel/cacheinfo.c
View File

@ -69,6 +69,8 @@ static int __populate_cache_leaves(unsigned int cpu)
if (c->tcache.waysize)
populate_cache(tcache, this_leaf, 3, CACHE_TYPE_UNIFIED);
this_cpu_ci->cpu_map_populated = true;
return 0;
}

3
arch/mips/kernel/i8253.c
View File

@ -32,7 +32,8 @@ void __init setup_pit_timer(void)
static int __init init_pit_clocksource(void)
{
if (num_possible_cpus() > 1) /* PIT does not scale! */
if (num_possible_cpus() > 1 || /* PIT does not scale! */
!clockevent_state_periodic(&i8253_clockevent))
return 0;
return clocksource_i8253_init();

1
arch/mips/kvm/emulate.c
View File

@ -140,6 +140,7 @@ static int kvm_compute_return_epc(struct kvm_vcpu *vcpu, unsigned long instpc,
/* These are unconditional and in j_format. */
case jal_op:
arch->gprs[31] = instpc + 8;
/* fall through */
case j_op:
epc += 4;
epc >>= 28;

10
arch/mips/kvm/mips.c
View File

@ -150,16 +150,6 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
return 0;
}
bool kvm_arch_has_vcpu_debugfs(void)
{
return false;
}
int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu)
{
return 0;
}
void kvm_mips_free_vcpus(struct kvm *kvm)
{
unsigned int i;

13
arch/mips/oprofile/op_model_mipsxx.c
View File

@ -172,12 +172,15 @@ static void mipsxx_cpu_setup(void *args)
case 4:
w_c0_perfctrl3(0);
w_c0_perfcntr3(reg.counter[3]);
/* fall through */
case 3:
w_c0_perfctrl2(0);
w_c0_perfcntr2(reg.counter[2]);
/* fall through */
case 2:
w_c0_perfctrl1(0);
w_c0_perfcntr1(reg.counter[1]);
/* fall through */
case 1:
w_c0_perfctrl0(0);
w_c0_perfcntr0(reg.counter[0]);
@ -195,10 +198,13 @@ static void mipsxx_cpu_start(void *args)
switch (counters) {
case 4:
w_c0_perfctrl3(WHAT | reg.control[3]);
/* fall through */
case 3:
w_c0_perfctrl2(WHAT | reg.control[2]);
/* fall through */
case 2:
w_c0_perfctrl1(WHAT | reg.control[1]);
/* fall through */
case 1:
w_c0_perfctrl0(WHAT | reg.control[0]);
}
@ -215,10 +221,13 @@ static void mipsxx_cpu_stop(void *args)
switch (counters) {
case 4:
w_c0_perfctrl3(0);
/* fall through */
case 3:
w_c0_perfctrl2(0);
/* fall through */
case 2:
w_c0_perfctrl1(0);
/* fall through */
case 1:
w_c0_perfctrl0(0);
}
@ -236,6 +245,7 @@ static int mipsxx_perfcount_handler(void)
switch (counters) {
#define HANDLE_COUNTER(n) \
/* fall through */ \
case n + 1: \
control = r_c0_perfctrl ## n(); \
counter = r_c0_perfcntr ## n(); \
@ -297,12 +307,15 @@ static void reset_counters(void *arg)
case 4:
w_c0_perfctrl3(0);
w_c0_perfcntr3(0);
/* fall through */
case 3:
w_c0_perfctrl2(0);
w_c0_perfcntr2(0);
/* fall through */
case 2:
w_c0_perfctrl1(0);
w_c0_perfcntr1(0);
/* fall through */
case 1:
w_c0_perfctrl0(0);
w_c0_perfcntr0(0);

1
arch/mips/pci/ops-bcm63xx.c
View File

@ -474,6 +474,7 @@ static int bcm63xx_pcie_can_access(struct pci_bus *bus, int devfn)
if (PCI_SLOT(devfn) == 0)
return bcm_pcie_readl(PCIE_DLSTATUS_REG)
& DLSTATUS_PHYLINKUP;
/* else, fall through */
default:
return false;
}

1
arch/mips/vdso/vdso.h
View File

@ -9,6 +9,7 @@
#if _MIPS_SIM != _MIPS_SIM_ABI64 && defined(CONFIG_64BIT)
/* Building 32-bit VDSO for the 64-bit kernel. Fake a 32-bit Kconfig. */
#define BUILD_VDSO32_64
#undef CONFIG_64BIT
#define CONFIG_32BIT 1
#ifndef __ASSEMBLY__

5
arch/parisc/Makefile
View File

@ -19,8 +19,6 @@
KBUILD_IMAGE := vmlinuz
KBUILD_DEFCONFIG := default_defconfig
NM = sh $(srctree)/arch/parisc/nm
CHECKFLAGS += -D__hppa__=1
LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
@ -182,5 +180,8 @@ define archhelp
@echo ' zinstall - Install compressed vmlinuz kernel'
endef
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
archheaders:
$(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all

4
arch/parisc/boot/compressed/Makefile
View File

@ -12,6 +12,7 @@ UBSAN_SANITIZE := n
targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
targets += misc.o piggy.o sizes.h head.o real2.o firmware.o
targets += real2.S firmware.c
KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
@ -55,7 +56,8 @@ $(obj)/misc.o: $(obj)/sizes.h
CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER
$(obj)/vmlinux.lds: $(obj)/sizes.h
$(obj)/vmlinux.bin: vmlinux
OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
vmlinux.bin.all-y := $(obj)/vmlinux.bin

4
arch/parisc/boot/compressed/vmlinux.lds.S
View File

@ -48,8 +48,8 @@ SECTIONS
*(.rodata.compressed)
}
/* bootloader code and data starts behind area of extracted kernel */
. = (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START);
/* bootloader code and data starts at least behind area of extracted kernel */
. = MAX(ABSOLUTE(.), (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START));
/* align on next page boundary */
. = ALIGN(4096);

0
arch/parisc/configs/default_defconfig → arch/parisc/configs/defconfig
View File

3
arch/parisc/kernel/ftrace.c
View File

@ -181,8 +181,9 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec,
for (i = 0; i < ARRAY_SIZE(insn); i++)
insn[i] = INSN_NOP;
__patch_text((void *)rec->ip, INSN_NOP);
__patch_text_multiple((void *)rec->ip + 4 - sizeof(insn),
insn, sizeof(insn));
insn, sizeof(insn)-4);
return 0;
}
#endif

1
arch/parisc/math-emu/Makefile
View File

@ -18,3 +18,4 @@ obj-y := frnd.o driver.o decode_exc.o fpudispatch.o denormal.o \
# other very old or stripped-down PA-RISC CPUs -- not currently supported
obj-$(CONFIG_MATH_EMULATION) += unimplemented-math-emulation.o
CFLAGS_REMOVE_fpudispatch.o = -Wimplicit-fallthrough

1
arch/parisc/mm/fault.c
View File

@ -66,6 +66,7 @@ parisc_acctyp(unsigned long code, unsigned int inst)
case 0x30000000: /* coproc2 */
if (bit22set(inst))
return VM_WRITE;
/* fall through */
case 0x0: /* indexed/memory management */
if (bit22set(inst)) {

8
arch/powerpc/include/asm/cache.h
View File

@ -107,22 +107,22 @@ extern void _set_L3CR(unsigned long);
static inline void dcbz(void *addr)
{
__asm__ __volatile__ ("dcbz %y0" : : "Z"(*(u8 *)addr) : "memory");
__asm__ __volatile__ ("dcbz 0, %0" : : "r"(addr) : "memory");
}
static inline void dcbi(void *addr)
{
__asm__ __volatile__ ("dcbi %y0" : : "Z"(*(u8 *)addr) : "memory");
__asm__ __volatile__ ("dcbi 0, %0" : : "r"(addr) : "memory");
}
static inline void dcbf(void *addr)
{
__asm__ __volatile__ ("dcbf %y0" : : "Z"(*(u8 *)addr) : "memory");
__asm__ __volatile__ ("dcbf 0, %0" : : "r"(addr) : "memory");
}
static inline void dcbst(void *addr)
{
__asm__ __volatile__ ("dcbst %y0" : : "Z"(*(u8 *)addr) : "memory");
__asm__ __volatile__ ("dcbst 0, %0" : : "r"(addr) : "memory");
}
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */

1
arch/powerpc/include/asm/unistd.h
View File

@ -49,6 +49,7 @@
#define __ARCH_WANT_SYS_FORK
#define __ARCH_WANT_SYS_VFORK
#define __ARCH_WANT_SYS_CLONE
#define __ARCH_WANT_SYS_CLONE3
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_UNISTD_H_ */

4
arch/powerpc/kernel/align.c
View File

@ -176,9 +176,11 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg,
ret |= __get_user_inatomic(temp.v[1], p++);
ret |= __get_user_inatomic(temp.v[2], p++);
ret |= __get_user_inatomic(temp.v[3], p++);
/* fall through */
case 4:
ret |= __get_user_inatomic(temp.v[4], p++);
ret |= __get_user_inatomic(temp.v[5], p++);
/* fall through */
case 2:
ret |= __get_user_inatomic(temp.v[6], p++);
ret |= __get_user_inatomic(temp.v[7], p++);
@ -259,9 +261,11 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg,
ret |= __put_user_inatomic(data.v[1], p++);
ret |= __put_user_inatomic(data.v[2], p++);
ret |= __put_user_inatomic(data.v[3], p++);
/* fall through */
case 4:
ret |= __put_user_inatomic(data.v[4], p++);
ret |= __put_user_inatomic(data.v[5], p++);
/* fall through */
case 2:
ret |= __put_user_inatomic(data.v[6], p++);
ret |= __put_user_inatomic(data.v[7], p++);

8
arch/powerpc/kernel/entry_32.S
View File

@ -597,6 +597,14 @@ ppc_clone:
stw r0,_TRAP(r1) /* register set saved */
b sys_clone
.globl ppc_clone3
ppc_clone3:
SAVE_NVGPRS(r1)
lwz r0,_TRAP(r1)
rlwinm r0,r0,0,0,30 /* clear LSB to indicate full */
stw r0,_TRAP(r1) /* register set saved */
b sys_clone3
.globl ppc_swapcontext
ppc_swapcontext:
SAVE_NVGPRS(r1)

5
arch/powerpc/kernel/entry_64.S
View File

@ -487,6 +487,11 @@ _GLOBAL(ppc_clone)
bl sys_clone
b .Lsyscall_exit
_GLOBAL(ppc_clone3)
bl save_nvgprs
bl sys_clone3
b .Lsyscall_exit
_GLOBAL(ppc32_swapcontext)
bl save_nvgprs
bl compat_sys_swapcontext

2
arch/powerpc/kernel/syscalls/syscall.tbl
View File

@ -516,4 +516,4 @@
432 common fsmount sys_fsmount
433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open
# 435 reserved for clone3
435 nospu clone3 ppc_clone3

1
arch/powerpc/kvm/book3s_32_mmu.c
View File

@ -239,6 +239,7 @@ static int kvmppc_mmu_book3s_32_xlate_pte(struct kvm_vcpu *vcpu, gva_t eaddr,
case 2:
case 6:
pte->may_write = true;
/* fall through */
case 3:
case 5:
case 7:

15
arch/powerpc/kvm/powerpc.c
View File

@ -50,6 +50,11 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
return !!(v->arch.pending_exceptions) || kvm_request_pending(v);
}
bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu)
{
return kvm_arch_vcpu_runnable(vcpu);
}
bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
{
return false;
@ -452,16 +457,6 @@ err_out:
return -EINVAL;
}
bool kvm_arch_has_vcpu_debugfs(void)
{
return false;
}
int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu)
{
return 0;
}
void kvm_arch_destroy_vm(struct kvm *kvm)
{
unsigned int i;

7
arch/powerpc/mm/kasan/kasan_init_32.c
View File

@ -21,7 +21,7 @@ static void kasan_populate_pte(pte_t *ptep, pgprot_t prot)
__set_pte_at(&init_mm, va, ptep, pfn_pte(PHYS_PFN(pa), prot), 0);
}
static int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end)
static int __ref kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end)
{
pmd_t *pmd;
unsigned long k_cur, k_next;
@ -35,7 +35,10 @@ static int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_
if ((void *)pmd_page_vaddr(*pmd) != kasan_early_shadow_pte)
continue;
new = pte_alloc_one_kernel(&init_mm);
if (slab_is_available())
new = pte_alloc_one_kernel(&init_mm);
else
new = memblock_alloc(PTE_FRAG_SIZE, PTE_FRAG_SIZE);
if (!new)
return -ENOMEM;

29
arch/powerpc/platforms/pseries/papr_scm.c
View File

@ -275,12 +275,32 @@ static const struct attribute_group *papr_scm_dimm_groups[] = {
NULL,
};
static inline int papr_scm_node(int node)
{
int min_dist = INT_MAX, dist;
int nid, min_node;
if ((node == NUMA_NO_NODE) || node_online(node))
return node;
min_node = first_online_node;
for_each_online_node(nid) {
dist = node_distance(node, nid);
if (dist < min_dist) {
min_dist = dist;
min_node = nid;
}
}
return min_node;
}
static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
{
struct device *dev = &p->pdev->dev;
struct nd_mapping_desc mapping;
struct nd_region_desc ndr_desc;
unsigned long dimm_flags;
int target_nid, online_nid;
p->bus_desc.ndctl = papr_scm_ndctl;
p->bus_desc.module = THIS_MODULE;
@ -319,8 +339,10 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
memset(&ndr_desc, 0, sizeof(ndr_desc));
ndr_desc.attr_groups = region_attr_groups;
ndr_desc.numa_node = dev_to_node(&p->pdev->dev);
ndr_desc.target_node = ndr_desc.numa_node;
target_nid = dev_to_node(&p->pdev->dev);
online_nid = papr_scm_node(target_nid);
ndr_desc.numa_node = online_nid;
ndr_desc.target_node = target_nid;
ndr_desc.res = &p->res;
ndr_desc.of_node = p->dn;
ndr_desc.provider_data = p;
@ -338,6 +360,9 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
ndr_desc.res, p->dn);
goto err;
}
if (target_nid != online_nid)
dev_info(dev, "Region registered with target node %d and online node %d",
target_nid, online_nid);
return 0;

1
arch/riscv/boot/dts/sifive/fu540-c000.dtsi
View File

@ -21,7 +21,6 @@
cpus {
#address-cells = <1>;
#size-cells = <0>;
timebase-frequency = <1000000>;
cpu0: cpu@0 {
compatible = "sifive,e51", "sifive,rocket0", "riscv";
device_type = "cpu";

10
arch/riscv/configs/defconfig
View File

@ -34,6 +34,7 @@ CONFIG_PCIEPORTBUS=y
CONFIG_PCI_HOST_GENERIC=y
CONFIG_PCIE_XILINX=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_VIRTIO_BLK=y
CONFIG_BLK_DEV_SD=y
@ -53,6 +54,8 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
CONFIG_HVC_RISCV_SBI=y
CONFIG_SPI=y
CONFIG_SPI_SIFIVE=y
# CONFIG_PTP_1588_CLOCK is not set
CONFIG_DRM=y
CONFIG_DRM_RADEON=y
@ -66,8 +69,9 @@ CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_UAS=y
CONFIG_MMC=y
CONFIG_MMC_SPI=y
CONFIG_VIRTIO_MMIO=y
CONFIG_SPI_SIFIVE=y
CONFIG_EXT4_FS=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_AUTOFS4_FS=y
@ -83,8 +87,4 @@ CONFIG_ROOT_NFS=y
CONFIG_CRYPTO_USER_API_HASH=y
CONFIG_CRYPTO_DEV_VIRTIO=y
CONFIG_PRINTK_TIME=y
CONFIG_SPI=y
CONFIG_MMC_SPI=y
CONFIG_MMC=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_RCU_TRACE is not set

2
arch/riscv/kernel/vdso/Makefile
View File

@ -37,7 +37,7 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE
# these symbols in the kernel code rather than hand-coded addresses.
SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \
-Wl,--hash-style=both
-Wl,--build-id -Wl,--hash-style=both
$(obj)/vdso-dummy.o: $(src)/vdso.lds $(obj)/rt_sigreturn.o FORCE
$(call if_changed,vdsold)

2
arch/riscv/lib/Makefile
View File

@ -5,5 +5,3 @@ lib-y += memset.o
lib-y += uaccess.o
lib-$(CONFIG_64BIT) += tishift.o
lib-$(CONFIG_32BIT) += udivdi3.o

6
arch/riscv/lib/delay.c
View File

@ -81,9 +81,13 @@ EXPORT_SYMBOL(__delay);
void udelay(unsigned long usecs)
{
u64 ucycles = (u64)usecs * lpj_fine * UDELAY_MULT;
u64 n;
if (unlikely(usecs > MAX_UDELAY_US)) {
__delay((u64)usecs * riscv_timebase / 1000000ULL);
n = (u64)usecs * riscv_timebase;
do_div(n, 1000000);
__delay(n);
return;
}

32
arch/riscv/lib/udivdi3.S
View File

@ -1,32 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2016-2017 Free Software Foundation, Inc.
*/
#include <linux/linkage.h>
ENTRY(__udivdi3)
mv a2, a1
mv a1, a0
li a0, -1
beqz a2, .L5
li a3, 1
bgeu a2, a1, .L2
.L1:
blez a2, .L2
slli a2, a2, 1
slli a3, a3, 1
bgtu a1, a2, .L1
.L2:
li a0, 0
.L3:
bltu a1, a2, .L4
sub a1, a1, a2
or a0, a0, a3
.L4:
srli a3, a3, 1
srli a2, a2, 1
bnez a3, .L3
.L5:
ret
ENDPROC(__udivdi3)

1
arch/s390/boot/boot.h
View File

@ -8,6 +8,7 @@ void store_ipl_parmblock(void);
void setup_boot_command_line(void);
void parse_boot_command_line(void);
void setup_memory_end(void);
void verify_facilities(void);
void print_missing_facilities(void);
unsigned long get_random_base(unsigned long safe_addr);

2
arch/s390/boot/ipl_parm.c
View File

@ -48,9 +48,7 @@ void store_ipl_parmblock(void)
{
int rc;
uv_set_shared(__pa(&ipl_block));
rc = __diag308(DIAG308_STORE, &ipl_block);
uv_remove_shared(__pa(&ipl_block));
if (rc == DIAG308_RC_OK &&
ipl_block.hdr.version <= IPL_MAX_SUPPORTED_VERSION)
ipl_block_valid = 1;

1
arch/s390/boot/kaslr.c
View File

@ -7,6 +7,7 @@
#include <asm/timex.h>
#include <asm/sclp.h>
#include "compressed/decompressor.h"
#include "boot.h"
#define PRNG_MODE_TDES 1
#define PRNG_MODE_SHA512 2

330
arch/s390/configs/debug_defconfig
View File

@ -3,6 +3,7 @@ CONFIG_POSIX_MQUEUE=y
CONFIG_AUDIT=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_PREEMPT=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_TASKSTATS=y
@ -18,55 +19,71 @@ CONFIG_BLK_CGROUP=y
CONFIG_CFS_BANDWIDTH=y
CONFIG_RT_GROUP_SCHED=y
CONFIG_CGROUP_PIDS=y
CONFIG_CGROUP_RDMA=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_HUGETLB=y
CONFIG_CPUSETS=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_BPF=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
# CONFIG_SYSFS_SYSCALL is not set
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_BPF_SYSCALL=y
CONFIG_USERFAULTFD=y
# CONFIG_COMPAT_BRK is not set
CONFIG_PROFILING=y
CONFIG_LIVEPATCH=y
CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
CONFIG_HZ_100=y
CONFIG_KEXEC_FILE=y
CONFIG_EXPOLINE=y
CONFIG_EXPOLINE_AUTO=y
CONFIG_CHSC_SCH=y
CONFIG_VFIO_CCW=m
CONFIG_VFIO_AP=m
CONFIG_CRASH_DUMP=y
CONFIG_HIBERNATION=y
CONFIG_PM_DEBUG=y
CONFIG_CMM=m
CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
CONFIG_VHOST_NET=m
CONFIG_VHOST_VSOCK=m
CONFIG_OPROFILE=m
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
CONFIG_STATIC_KEYS_SELFTEST=y
CONFIG_REFCOUNT_FULL=y
CONFIG_LOCK_EVENT_COUNTS=y
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG=y
CONFIG_MODULE_SIG_SHA256=y
CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_WBT_SQ=y
CONFIG_BLK_CGROUP_IOLATENCY=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
CONFIG_BSD_DISKLABEL=y
CONFIG_MINIX_SUBPARTITION=y
CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_DEFAULT_DEADLINE=y
CONFIG_LIVEPATCH=y
CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
CONFIG_PREEMPT=y
CONFIG_HZ_100=y
CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_VERIFY_SIG=y
CONFIG_EXPOLINE=y
CONFIG_EXPOLINE_AUTO=y
CONFIG_IOSCHED_BFQ=y
CONFIG_BFQ_GROUP_IOSCHED=y
CONFIG_BINFMT_MISC=m
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
@ -82,17 +99,8 @@ CONFIG_ZSMALLOC=m
CONFIG_ZSMALLOC_STAT=y
CONFIG_DEFERRED_STRUCT_PAGE_INIT=y
CONFIG_IDLE_PAGE_TRACKING=y
CONFIG_PCI=y
CONFIG_PCI_DEBUG=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_CHSC_SCH=y
CONFIG_VFIO_AP=m
CONFIG_VFIO_CCW=m
CONFIG_CRASH_DUMP=y
CONFIG_BINFMT_MISC=m
CONFIG_HIBERNATION=y
CONFIG_PM_DEBUG=y
CONFIG_PERCPU_STATS=y
CONFIG_GUP_BENCHMARK=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_PACKET_DIAG=m
@ -121,9 +129,6 @@ CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
CONFIG_INET_XFRM_MODE_TRANSPORT=m
CONFIG_INET_XFRM_MODE_TUNNEL=m
CONFIG_INET_XFRM_MODE_BEET=m
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
CONFIG_TCP_CONG_ADVANCED=y
@ -139,10 +144,6 @@ CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_MIP6=m
CONFIG_INET6_XFRM_MODE_TRANSPORT=m
CONFIG_INET6_XFRM_MODE_TUNNEL=m
CONFIG_INET6_XFRM_MODE_BEET=m
CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_SIT=m
CONFIG_IPV6_GRE=m
@ -264,11 +265,8 @@ CONFIG_IP_VS_SED=m
CONFIG_IP_VS_NQ=m
CONFIG_IP_VS_FTP=m
CONFIG_IP_VS_PE_SIP=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NF_TABLES_IPV4=y
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
CONFIG_NF_TABLES_ARP=y
CONFIG_NFT_CHAIN_NAT_IPV4=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@ -287,10 +285,7 @@ CONFIG_IP_NF_SECURITY=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NF_TABLES_IPV6=y
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@ -309,7 +304,7 @@ CONFIG_IP6_NF_RAW=m
CONFIG_IP6_NF_SECURITY=m
CONFIG_IP6_NF_NAT=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_NF_TABLES_BRIDGE=y
CONFIG_NF_TABLES_BRIDGE=m
CONFIG_RDS=m
CONFIG_RDS_RDMA=m
CONFIG_RDS_TCP=m
@ -375,9 +370,11 @@ CONFIG_NETLINK_DIAG=m
CONFIG_CGROUP_NET_PRIO=y
CONFIG_BPF_JIT=y
CONFIG_NET_PKTGEN=m
CONFIG_PCI=y
CONFIG_PCI_DEBUG=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_DEVTMPFS=y
CONFIG_DMA_CMA=y
CONFIG_CMA_SIZE_MBYTES=0
CONFIG_CONNECTOR=y
CONFIG_ZRAM=m
CONFIG_BLK_DEV_LOOP=m
@ -395,7 +392,6 @@ CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
CONFIG_CHR_DEV_OSST=m
CONFIG_BLK_DEV_SR=m
CONFIG_CHR_DEV_SG=y
CONFIG_CHR_DEV_SCH=m
@ -415,17 +411,19 @@ CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_HP_SW=m
CONFIG_SCSI_DH_EMC=m
CONFIG_SCSI_DH_ALUA=m
CONFIG_SCSI_OSD_INITIATOR=m
CONFIG_SCSI_OSD_ULD=m
CONFIG_MD=y
CONFIG_BLK_DEV_MD=y
CONFIG_MD_LINEAR=m
CONFIG_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
CONFIG_MD_CLUSTER=m
CONFIG_BCACHE=m
CONFIG_BLK_DEV_DM=m
CONFIG_DM_UNSTRIPED=m
CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
CONFIG_DM_THIN_PROVISIONING=m
CONFIG_DM_WRITECACHE=m
CONFIG_DM_MIRROR=m
CONFIG_DM_LOG_USERSPACE=m
CONFIG_DM_RAID=m
@ -445,23 +443,78 @@ CONFIG_EQUALIZER=m
CONFIG_IFB=m
CONFIG_MACVLAN=m
CONFIG_MACVTAP=m
CONFIG_VXLAN=m
CONFIG_TUN=m
CONFIG_VETH=m
CONFIG_VIRTIO_NET=m
CONFIG_NLMON=m
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_NET_VENDOR_ADAPTEC is not set
# CONFIG_NET_VENDOR_AGERE is not set
# CONFIG_NET_VENDOR_ALACRITECH is not set
# CONFIG_NET_VENDOR_ALTEON is not set
# CONFIG_NET_VENDOR_AMAZON is not set
# CONFIG_NET_VENDOR_AMD is not set
# CONFIG_NET_VENDOR_AQUANTIA is not set
# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_VENDOR_ATHEROS is not set
# CONFIG_NET_VENDOR_AURORA is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_BROCADE is not set
# CONFIG_NET_VENDOR_CADENCE is not set
# CONFIG_NET_VENDOR_CAVIUM is not set
# CONFIG_NET_VENDOR_CHELSIO is not set
# CONFIG_NET_VENDOR_CISCO is not set
# CONFIG_NET_VENDOR_CORTINA is not set
# CONFIG_NET_VENDOR_DEC is not set
# CONFIG_NET_VENDOR_DLINK is not set
# CONFIG_NET_VENDOR_EMULEX is not set
# CONFIG_NET_VENDOR_EZCHIP is not set
# CONFIG_NET_VENDOR_GOOGLE is not set
# CONFIG_NET_VENDOR_HP is not set
# CONFIG_NET_VENDOR_HUAWEI is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
CONFIG_MLX4_EN=m
CONFIG_MLX5_CORE=m
CONFIG_MLX5_CORE_EN=y
# CONFIG_MLXFW is not set
# CONFIG_NET_VENDOR_MICREL is not set
# CONFIG_NET_VENDOR_MICROCHIP is not set
# CONFIG_NET_VENDOR_MICROSEMI is not set
# CONFIG_NET_VENDOR_MYRI is not set
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_NETERION is not set
# CONFIG_NET_VENDOR_NETRONOME is not set
# CONFIG_NET_VENDOR_NI is not set
# CONFIG_NET_VENDOR_NVIDIA is not set
# CONFIG_NET_VENDOR_OKI is not set
# CONFIG_NET_VENDOR_PACKET_ENGINES is not set
# CONFIG_NET_VENDOR_QLOGIC is not set
# CONFIG_NET_VENDOR_QUALCOMM is not set
# CONFIG_NET_VENDOR_RDC is not set
# CONFIG_NET_VENDOR_REALTEK is not set
# CONFIG_NET_VENDOR_RENESAS is not set
# CONFIG_NET_VENDOR_ROCKER is not set
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SOLARFLARE is not set
# CONFIG_NET_VENDOR_SILAN is not set
# CONFIG_NET_VENDOR_SIS is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_SOCIONEXT is not set
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_SUN is not set
# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_TEHUTI is not set
# CONFIG_NET_VENDOR_TI is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_FILTER=y
CONFIG_PPP_MPPE=m
CONFIG_PPP_MULTILINK=y
CONFIG_PPPOE=m
CONFIG_PPTP=m
CONFIG_PPPOL2TP=m
@ -473,10 +526,13 @@ CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
CONFIG_LEGACY_PTY_COUNT=0
CONFIG_NULL_TTY=m
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_RAW_DRIVER=m
CONFIG_HANGCHECK_TIMER=m
CONFIG_TN3270_FS=y
CONFIG_PPS=m
# CONFIG_PTP_1588_CLOCK is not set
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
@ -498,8 +554,8 @@ CONFIG_VFIO_MDEV_DEVICE=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
CONFIG_S390_AP_IOMMU=y
CONFIG_S390_CCW_IOMMU=y
CONFIG_S390_AP_IOMMU=y
CONFIG_EXT4_FS=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
@ -519,6 +575,7 @@ CONFIG_OCFS2_FS=m
CONFIG_BTRFS_FS=y
CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_BTRFS_DEBUG=y
CONFIG_BTRFS_ASSERT=y
CONFIG_NILFS2_FS=m
CONFIG_FS_DAX=y
CONFIG_EXPORTFS_BLOCK_OPS=y
@ -552,8 +609,10 @@ CONFIG_ECRYPT_FS=m
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_LZ4=y
CONFIG_SQUASHFS_LZO=y
CONFIG_SQUASHFS_XZ=y
CONFIG_SQUASHFS_ZSTD=y
CONFIG_ROMFS_FS=m
CONFIG_NFS_FS=m
CONFIG_NFS_V3_ACL=y
@ -564,7 +623,6 @@ CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_V4_SECURITY_LABEL=y
CONFIG_CIFS=m
CONFIG_CIFS_STATS=y
CONFIG_CIFS_STATS2=y
CONFIG_CIFS_WEAK_PW_HASH=y
CONFIG_CIFS_UPCALL=y
@ -580,19 +638,112 @@ CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_UTF8=m
CONFIG_DLM=m
CONFIG_UNICODE=y
CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_BIG_KEYS=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_DISABLE=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
CONFIG_IMA=y
CONFIG_IMA_DEFAULT_HASH_SHA256=y
CONFIG_IMA_WRITE_POLICY=y
CONFIG_IMA_APPRAISE=y
CONFIG_CRYPTO_USER=m
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
CONFIG_CRYPTO_PCRYPT=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_DH=m
CONFIG_CRYPTO_ECDH=m
CONFIG_CRYPTO_ECRDSA=m
CONFIG_CRYPTO_CHACHA20POLY1305=m
CONFIG_CRYPTO_AEGIS128=m
CONFIG_CRYPTO_AEGIS128L=m
CONFIG_CRYPTO_AEGIS256=m
CONFIG_CRYPTO_MORUS640=m
CONFIG_CRYPTO_MORUS1280=m
CONFIG_CRYPTO_CFB=m
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_KEYWRAP=m
CONFIG_CRYPTO_ADIANTUM=m
CONFIG_CRYPTO_XCBC=m
CONFIG_CRYPTO_VMAC=m
CONFIG_CRYPTO_CRC32=m
CONFIG_CRYPTO_XXHASH=m
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
CONFIG_CRYPTO_RMD256=m
CONFIG_CRYPTO_RMD320=m
CONFIG_CRYPTO_SHA3=m
CONFIG_CRYPTO_SM3=m
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_AES_TI=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_ARC4=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAMELLIA=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SALSA20=m
CONFIG_CRYPTO_SEED=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_SM4=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_842=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_ZSTD=m
CONFIG_CRYPTO_ANSI_CPRNG=m
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_CRYPTO_USER_API_AEAD=m
CONFIG_CRYPTO_STATS=y
CONFIG_ZCRYPT=m
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
CONFIG_CRYPTO_SHA1_S390=m
CONFIG_CRYPTO_SHA256_S390=m
CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
CONFIG_CRYPTO_CRC32_S390=y
CONFIG_CORDIC=m
CONFIG_CRC32_SELFTEST=y
CONFIG_CRC4=m
CONFIG_CRC7=m
CONFIG_CRC8=m
CONFIG_RANDOM32_SELFTEST=y
CONFIG_DMA_CMA=y
CONFIG_CMA_SIZE_MBYTES=0
CONFIG_DMA_API_DEBUG=y
CONFIG_STRING_SELFTEST=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF4=y
CONFIG_GDB_SCRIPTS=y
CONFIG_FRAME_WARN=1024
CONFIG_READABLE_ASM=y
CONFIG_UNUSED_SYMBOLS=y
CONFIG_HEADERS_INSTALL=y
CONFIG_HEADERS_CHECK=y
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_PAGEALLOC=y
CONFIG_PAGE_OWNER=y
CONFIG_DEBUG_RODATA_TEST=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_SELFTEST=y
@ -645,7 +796,6 @@ CONFIG_STACK_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_FUNCTION_PROFILER=y
CONFIG_HIST_TRIGGERS=y
CONFIG_DMA_API_DEBUG=y
CONFIG_LKDTM=m
CONFIG_TEST_LIST_SORT=y
CONFIG_TEST_SORT=y
@ -657,85 +807,3 @@ CONFIG_ATOMIC64_SELFTEST=y
CONFIG_TEST_BPF=m
CONFIG_BUG_ON_DATA_CORRUPTION=y
CONFIG_S390_PTDUMP=y
CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_BIG_KEYS=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0
CONFIG_SECURITY_SELINUX_DISABLE=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
CONFIG_IMA=y
CONFIG_IMA_DEFAULT_HASH_SHA256=y
CONFIG_IMA_WRITE_POLICY=y
CONFIG_IMA_APPRAISE=y
CONFIG_CRYPTO_DH=m
CONFIG_CRYPTO_ECDH=m
CONFIG_CRYPTO_USER=m
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
CONFIG_CRYPTO_PCRYPT=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CHACHA20POLY1305=m
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_KEYWRAP=m
CONFIG_CRYPTO_XCBC=m
CONFIG_CRYPTO_VMAC=m
CONFIG_CRYPTO_CRC32=m
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
CONFIG_CRYPTO_RMD256=m
CONFIG_CRYPTO_RMD320=m
CONFIG_CRYPTO_SHA512=m
CONFIG_CRYPTO_SHA3=m
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_AES_TI=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAMELLIA=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SALSA20=m
CONFIG_CRYPTO_SEED=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_842=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_ANSI_CPRNG=m
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_CRYPTO_USER_API_AEAD=m
CONFIG_ZCRYPT=m
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
CONFIG_CRYPTO_SHA1_S390=m
CONFIG_CRYPTO_SHA256_S390=m
CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
CONFIG_CRYPTO_CRC32_S390=y
CONFIG_PKCS7_MESSAGE_PARSER=y
CONFIG_SYSTEM_TRUSTED_KEYRING=y
CONFIG_CRC7=m
CONFIG_CRC8=m
CONFIG_RANDOM32_SELFTEST=y
CONFIG_CORDIC=m
CONFIG_CMM=m
CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
CONFIG_KVM_S390_UCONTROL=y
CONFIG_VHOST_NET=m
CONFIG_VHOST_VSOCK=m

321
arch/s390/configs/defconfig
View File

@ -12,30 +12,51 @@ CONFIG_TASK_IO_ACCOUNTING=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_NUMA_BALANCING=y
# CONFIG_NUMA_BALANCING_DEFAULT_ENABLED is not set
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
CONFIG_BLK_CGROUP=y
CONFIG_CFS_BANDWIDTH=y
CONFIG_RT_GROUP_SCHED=y
CONFIG_CGROUP_PIDS=y
CONFIG_CGROUP_RDMA=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_HUGETLB=y
CONFIG_CPUSETS=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_BPF=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
# CONFIG_SYSFS_SYSCALL is not set
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_BPF_SYSCALL=y
CONFIG_USERFAULTFD=y
# CONFIG_COMPAT_BRK is not set
CONFIG_PROFILING=y
CONFIG_LIVEPATCH=y
CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
# CONFIG_NUMA_EMU is not set
CONFIG_HZ_100=y
CONFIG_KEXEC_FILE=y
CONFIG_EXPOLINE=y
CONFIG_EXPOLINE_AUTO=y
CONFIG_CHSC_SCH=y
CONFIG_VFIO_CCW=m
CONFIG_VFIO_AP=m
CONFIG_CRASH_DUMP=y
CONFIG_HIBERNATION=y
CONFIG_PM_DEBUG=y
CONFIG_CMM=m
CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
CONFIG_VHOST_NET=m
CONFIG_VHOST_VSOCK=m
CONFIG_OPROFILE=m
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
@ -47,27 +68,18 @@ CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG=y
CONFIG_MODULE_SIG_SHA256=y
CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_WBT_SQ=y
CONFIG_BLK_CGROUP_IOLATENCY=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
CONFIG_BSD_DISKLABEL=y
CONFIG_MINIX_SUBPARTITION=y
CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_DEFAULT_DEADLINE=y
CONFIG_LIVEPATCH=y
CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
CONFIG_HZ_100=y
CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_VERIFY_SIG=y
CONFIG_EXPOLINE=y
CONFIG_EXPOLINE_AUTO=y
CONFIG_IOSCHED_BFQ=y
CONFIG_BFQ_GROUP_IOSCHED=y
CONFIG_BINFMT_MISC=m
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
@ -81,16 +93,8 @@ CONFIG_ZSMALLOC=m
CONFIG_ZSMALLOC_STAT=y
CONFIG_DEFERRED_STRUCT_PAGE_INIT=y
CONFIG_IDLE_PAGE_TRACKING=y
CONFIG_PCI=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_CHSC_SCH=y
CONFIG_VFIO_AP=m
CONFIG_VFIO_CCW=m
CONFIG_CRASH_DUMP=y
CONFIG_BINFMT_MISC=m
CONFIG_HIBERNATION=y
CONFIG_PM_DEBUG=y
CONFIG_PERCPU_STATS=y
CONFIG_GUP_BENCHMARK=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_PACKET_DIAG=m
@ -119,9 +123,6 @@ CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
CONFIG_INET_XFRM_MODE_TRANSPORT=m
CONFIG_INET_XFRM_MODE_TUNNEL=m
CONFIG_INET_XFRM_MODE_BEET=m
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
CONFIG_TCP_CONG_ADVANCED=y
@ -137,10 +138,6 @@ CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_MIP6=m
CONFIG_INET6_XFRM_MODE_TRANSPORT=m
CONFIG_INET6_XFRM_MODE_TUNNEL=m
CONFIG_INET6_XFRM_MODE_BEET=m
CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_SIT=m
CONFIG_IPV6_GRE=m
@ -262,11 +259,8 @@ CONFIG_IP_VS_SED=m
CONFIG_IP_VS_NQ=m
CONFIG_IP_VS_FTP=m
CONFIG_IP_VS_PE_SIP=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NF_TABLES_IPV4=y
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
CONFIG_NF_TABLES_ARP=y
CONFIG_NFT_CHAIN_NAT_IPV4=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@ -285,10 +279,7 @@ CONFIG_IP_NF_SECURITY=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NF_TABLES_IPV6=y
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@ -307,7 +298,7 @@ CONFIG_IP6_NF_RAW=m
CONFIG_IP6_NF_SECURITY=m
CONFIG_IP6_NF_NAT=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_NF_TABLES_BRIDGE=y
CONFIG_NF_TABLES_BRIDGE=m
CONFIG_RDS=m
CONFIG_RDS_RDMA=m
CONFIG_RDS_TCP=m
@ -372,9 +363,11 @@ CONFIG_NETLINK_DIAG=m
CONFIG_CGROUP_NET_PRIO=y
CONFIG_BPF_JIT=y
CONFIG_NET_PKTGEN=m
CONFIG_PCI=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_UEVENT_HELPER=y
CONFIG_DEVTMPFS=y
CONFIG_DMA_CMA=y
CONFIG_CMA_SIZE_MBYTES=0
CONFIG_CONNECTOR=y
CONFIG_ZRAM=m
CONFIG_BLK_DEV_LOOP=m
@ -383,6 +376,7 @@ CONFIG_BLK_DEV_DRBD=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=32768
# CONFIG_BLK_DEV_XPRAM is not set
CONFIG_VIRTIO_BLK=y
CONFIG_BLK_DEV_RBD=m
CONFIG_BLK_DEV_NVME=m
@ -392,7 +386,6 @@ CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
CONFIG_CHR_DEV_OSST=m
CONFIG_BLK_DEV_SR=m
CONFIG_CHR_DEV_SG=y
CONFIG_CHR_DEV_SCH=m
@ -412,17 +405,19 @@ CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_HP_SW=m
CONFIG_SCSI_DH_EMC=m
CONFIG_SCSI_DH_ALUA=m
CONFIG_SCSI_OSD_INITIATOR=m
CONFIG_SCSI_OSD_ULD=m
CONFIG_MD=y
CONFIG_BLK_DEV_MD=y
CONFIG_MD_LINEAR=m
CONFIG_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
CONFIG_MD_CLUSTER=m
CONFIG_BCACHE=m
CONFIG_BLK_DEV_DM=m
CONFIG_DM_UNSTRIPED=m
CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
CONFIG_DM_THIN_PROVISIONING=m
CONFIG_DM_WRITECACHE=m
CONFIG_DM_MIRROR=m
CONFIG_DM_LOG_USERSPACE=m
CONFIG_DM_RAID=m
@ -435,6 +430,7 @@ CONFIG_DM_UEVENT=y
CONFIG_DM_FLAKEY=m
CONFIG_DM_VERITY=m
CONFIG_DM_SWITCH=m
CONFIG_DM_INTEGRITY=m
CONFIG_NETDEVICES=y
CONFIG_BONDING=m
CONFIG_DUMMY=m
@ -442,23 +438,78 @@ CONFIG_EQUALIZER=m
CONFIG_IFB=m
CONFIG_MACVLAN=m
CONFIG_MACVTAP=m
CONFIG_VXLAN=m
CONFIG_TUN=m
CONFIG_VETH=m
CONFIG_VIRTIO_NET=m
CONFIG_NLMON=m
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_NET_VENDOR_ADAPTEC is not set
# CONFIG_NET_VENDOR_AGERE is not set
# CONFIG_NET_VENDOR_ALACRITECH is not set
# CONFIG_NET_VENDOR_ALTEON is not set
# CONFIG_NET_VENDOR_AMAZON is not set
# CONFIG_NET_VENDOR_AMD is not set
# CONFIG_NET_VENDOR_AQUANTIA is not set
# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_VENDOR_ATHEROS is not set
# CONFIG_NET_VENDOR_AURORA is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_BROCADE is not set
# CONFIG_NET_VENDOR_CADENCE is not set
# CONFIG_NET_VENDOR_CAVIUM is not set
# CONFIG_NET_VENDOR_CHELSIO is not set
# CONFIG_NET_VENDOR_CISCO is not set
# CONFIG_NET_VENDOR_CORTINA is not set
# CONFIG_NET_VENDOR_DEC is not set
# CONFIG_NET_VENDOR_DLINK is not set
# CONFIG_NET_VENDOR_EMULEX is not set
# CONFIG_NET_VENDOR_EZCHIP is not set
# CONFIG_NET_VENDOR_GOOGLE is not set
# CONFIG_NET_VENDOR_HP is not set
# CONFIG_NET_VENDOR_HUAWEI is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
CONFIG_MLX4_EN=m
CONFIG_MLX5_CORE=m
CONFIG_MLX5_CORE_EN=y
# CONFIG_MLXFW is not set
# CONFIG_NET_VENDOR_MICREL is not set
# CONFIG_NET_VENDOR_MICROCHIP is not set
# CONFIG_NET_VENDOR_MICROSEMI is not set
# CONFIG_NET_VENDOR_MYRI is not set
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_NETERION is not set
# CONFIG_NET_VENDOR_NETRONOME is not set
# CONFIG_NET_VENDOR_NI is not set
# CONFIG_NET_VENDOR_NVIDIA is not set
# CONFIG_NET_VENDOR_OKI is not set
# CONFIG_NET_VENDOR_PACKET_ENGINES is not set
# CONFIG_NET_VENDOR_QLOGIC is not set
# CONFIG_NET_VENDOR_QUALCOMM is not set
# CONFIG_NET_VENDOR_RDC is not set
# CONFIG_NET_VENDOR_REALTEK is not set
# CONFIG_NET_VENDOR_RENESAS is not set
# CONFIG_NET_VENDOR_ROCKER is not set
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SOLARFLARE is not set
# CONFIG_NET_VENDOR_SILAN is not set
# CONFIG_NET_VENDOR_SIS is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_SOCIONEXT is not set
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_SUN is not set
# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_TEHUTI is not set
# CONFIG_NET_VENDOR_TI is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_FILTER=y
CONFIG_PPP_MPPE=m
CONFIG_PPP_MULTILINK=y
CONFIG_PPPOE=m
CONFIG_PPTP=m
CONFIG_PPPOL2TP=m
@ -470,17 +521,21 @@ CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
CONFIG_LEGACY_PTY_COUNT=0
CONFIG_NULL_TTY=m
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_RAW_DRIVER=m
CONFIG_HANGCHECK_TIMER=m
CONFIG_TN3270_FS=y
# CONFIG_PTP_1588_CLOCK is not set
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_CORE=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=m
CONFIG_DIAG288_WATCHDOG=m
CONFIG_DRM=y
CONFIG_DRM_VIRTIO_GPU=y
# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
# CONFIG_HID is not set
# CONFIG_USB_SUPPORT is not set
@ -495,8 +550,8 @@ CONFIG_VFIO_MDEV_DEVICE=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
CONFIG_S390_AP_IOMMU=y
CONFIG_S390_CCW_IOMMU=y
CONFIG_S390_AP_IOMMU=y
CONFIG_EXT4_FS=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
@ -546,8 +601,10 @@ CONFIG_ECRYPT_FS=m
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_LZ4=y
CONFIG_SQUASHFS_LZO=y
CONFIG_SQUASHFS_XZ=y
CONFIG_SQUASHFS_ZSTD=y
CONFIG_ROMFS_FS=m
CONFIG_NFS_FS=m
CONFIG_NFS_V3_ACL=y
@ -558,7 +615,6 @@ CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_V4_SECURITY_LABEL=y
CONFIG_CIFS=m
CONFIG_CIFS_STATS=y
CONFIG_CIFS_STATS2=y
CONFIG_CIFS_WEAK_PW_HASH=y
CONFIG_CIFS_UPCALL=y
@ -574,13 +630,103 @@ CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_UTF8=m
CONFIG_DLM=m
CONFIG_UNICODE=y
CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_BIG_KEYS=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_DISABLE=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
CONFIG_IMA=y
CONFIG_IMA_DEFAULT_HASH_SHA256=y
CONFIG_IMA_WRITE_POLICY=y
CONFIG_IMA_APPRAISE=y
CONFIG_CRYPTO_FIPS=y
CONFIG_CRYPTO_USER=m
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
CONFIG_CRYPTO_PCRYPT=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_DH=m
CONFIG_CRYPTO_ECDH=m
CONFIG_CRYPTO_ECRDSA=m
CONFIG_CRYPTO_CHACHA20POLY1305=m
CONFIG_CRYPTO_AEGIS128=m
CONFIG_CRYPTO_AEGIS128L=m
CONFIG_CRYPTO_AEGIS256=m
CONFIG_CRYPTO_MORUS640=m
CONFIG_CRYPTO_MORUS1280=m
CONFIG_CRYPTO_CFB=m
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_OFB=m
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_KEYWRAP=m
CONFIG_CRYPTO_ADIANTUM=m
CONFIG_CRYPTO_XCBC=m
CONFIG_CRYPTO_VMAC=m
CONFIG_CRYPTO_CRC32=m
CONFIG_CRYPTO_XXHASH=m
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
CONFIG_CRYPTO_RMD256=m
CONFIG_CRYPTO_RMD320=m
CONFIG_CRYPTO_SHA3=m
CONFIG_CRYPTO_SM3=m
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_AES_TI=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_ARC4=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAMELLIA=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SALSA20=m
CONFIG_CRYPTO_SEED=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_SM4=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_842=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_ZSTD=m
CONFIG_CRYPTO_ANSI_CPRNG=m
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_CRYPTO_USER_API_AEAD=m
CONFIG_CRYPTO_STATS=y
CONFIG_ZCRYPT=m
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
CONFIG_CRYPTO_SHA1_S390=m
CONFIG_CRYPTO_SHA256_S390=m
CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
CONFIG_CRYPTO_CRC32_S390=y
CONFIG_CORDIC=m
CONFIG_CRC4=m
CONFIG_CRC7=m
CONFIG_CRC8=m
CONFIG_DMA_CMA=y
CONFIG_CMA_SIZE_MBYTES=0
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF4=y
CONFIG_GDB_SCRIPTS=y
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_FRAME_WARN=1024
CONFIG_UNUSED_SYMBOLS=y
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_PANIC_ON_OOPS=y
@ -599,82 +745,3 @@ CONFIG_ATOMIC64_SELFTEST=y
CONFIG_TEST_BPF=m
CONFIG_BUG_ON_DATA_CORRUPTION=y
CONFIG_S390_PTDUMP=y
CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_BIG_KEYS=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0
CONFIG_SECURITY_SELINUX_DISABLE=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
CONFIG_IMA=y
CONFIG_IMA_DEFAULT_HASH_SHA256=y
CONFIG_IMA_WRITE_POLICY=y
CONFIG_IMA_APPRAISE=y
CONFIG_CRYPTO_FIPS=y
CONFIG_CRYPTO_DH=m
CONFIG_CRYPTO_ECDH=m
CONFIG_CRYPTO_USER=m
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
CONFIG_CRYPTO_PCRYPT=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CHACHA20POLY1305=m
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_KEYWRAP=m
CONFIG_CRYPTO_XCBC=m
CONFIG_CRYPTO_VMAC=m
CONFIG_CRYPTO_CRC32=m
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
CONFIG_CRYPTO_RMD256=m
CONFIG_CRYPTO_RMD320=m
CONFIG_CRYPTO_SHA512=m
CONFIG_CRYPTO_SHA3=m
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_AES_TI=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAMELLIA=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SALSA20=m
CONFIG_CRYPTO_SEED=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_842=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_ANSI_CPRNG=m
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_CRYPTO_USER_API_AEAD=m
CONFIG_ZCRYPT=m
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
CONFIG_CRYPTO_SHA1_S390=m
CONFIG_CRYPTO_SHA256_S390=m
CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
CONFIG_CRYPTO_CRC32_S390=y
CONFIG_CRC7=m
CONFIG_CRC8=m
CONFIG_CORDIC=m
CONFIG_CMM=m
CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
CONFIG_KVM_S390_UCONTROL=y
CONFIG_VHOST_NET=m
CONFIG_VHOST_VSOCK=m

31
arch/s390/configs/zfcpdump_defconfig
View File

@ -1,27 +1,33 @@
# CONFIG_SWAP is not set
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
# CONFIG_CPU_ISOLATION is not set
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
# CONFIG_COMPAT_BRK is not set
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
CONFIG_DEFAULT_DEADLINE=y
CONFIG_TUNE_ZEC12=y
# CONFIG_COMPAT is not set
CONFIG_NR_CPUS=2
# CONFIG_HOTPLUG_CPU is not set
CONFIG_HZ_100=y
# CONFIG_ARCH_RANDOM is not set
# CONFIG_COMPACTION is not set
# CONFIG_MIGRATION is not set
# CONFIG_BOUNCE is not set
# CONFIG_CHECK_STACK is not set
# CONFIG_RELOCATABLE is not set
# CONFIG_CHSC_SCH is not set
# CONFIG_SCM_BUS is not set
CONFIG_CRASH_DUMP=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
# CONFIG_SECCOMP is not set
# CONFIG_PFAULT is not set
# CONFIG_S390_HYPFS_FS is not set
# CONFIG_VIRTUALIZATION is not set
# CONFIG_S390_GUEST is not set
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
# CONFIG_COMPACTION is not set
# CONFIG_MIGRATION is not set
# CONFIG_BOUNCE is not set
CONFIG_NET=y
# CONFIG_IUCV is not set
CONFIG_DEVTMPFS=y
@ -43,7 +49,6 @@ CONFIG_ZFCP=y
# CONFIG_HVC_IUCV is not set
# CONFIG_HW_RANDOM_S390 is not set
CONFIG_RAW_DRIVER=y
# CONFIG_SCLP_ASYNC is not set
# CONFIG_HMC_DRV is not set
# CONFIG_S390_TAPE is not set
# CONFIG_VMCP is not set
@ -56,6 +61,7 @@ CONFIG_RAW_DRIVER=y
CONFIG_CONFIGFS_FS=y
# CONFIG_MISC_FILESYSTEMS is not set
# CONFIG_NETWORK_FILESYSTEMS is not set
# CONFIG_DIMLIB is not set
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_FS=y
@ -64,7 +70,4 @@ CONFIG_PANIC_ON_OOPS=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=60
# CONFIG_FTRACE is not set
# CONFIG_PFAULT is not set
# CONFIG_S390_HYPFS_FS is not set
# CONFIG_VIRTUALIZATION is not set
# CONFIG_S390_GUEST is not set
# CONFIG_RUNTIME_TESTING_MENU is not set

10
arch/s390/include/asm/qdio.h
View File

@ -28,7 +28,7 @@
* @sliba: storage list information block address
* @sla: storage list address
* @slsba: storage list state block address
* @akey: access key for DLIB
* @akey: access key for SLIB
* @bkey: access key for SL
* @ckey: access key for SBALs
* @dkey: access key for SLSB
@ -50,11 +50,10 @@ struct qdesfmt0 {
/**
* struct qdr - queue description record (QDR)
* @qfmt: queue format
* @pfmt: implementation dependent parameter format
* @ac: adapter characteristics
* @iqdcnt: input queue descriptor count
* @oqdcnt: output queue descriptor count
* @iqdsz: inpout queue descriptor size
* @iqdsz: input queue descriptor size
* @oqdsz: output queue descriptor size
* @qiba: queue information block address
* @qkey: queue information block key
@ -62,8 +61,7 @@ struct qdesfmt0 {
*/
struct qdr {
u32 qfmt : 8;
u32 pfmt : 8;
u32 : 8;
u32 : 16;
u32 ac : 8;
u32 : 8;
u32 iqdcnt : 8;
@ -327,6 +325,7 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
* struct qdio_initialize - qdio initialization data
* @cdev: associated ccw device
* @q_format: queue format
* @qdr_ac: feature flags to set
* @adapter_name: name for the adapter
* @qib_param_field_format: format for qib_parm_field
* @qib_param_field: pointer to 128 bytes or NULL, if no param field
@ -338,6 +337,7 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
* @input_handler: handler to be called for input queues
* @output_handler: handler to be called for output queues
* @queue_start_poll_array: polling handlers (one per input queue or NULL)
* @scan_threshold: # of in-use buffers that triggers scan on output queue
* @int_parm: interruption parameter
* @input_sbal_addr_array: address of no_input_qs * 128 pointers
* @output_sbal_addr_array: address of no_output_qs * 128 pointers

1
arch/s390/include/asm/setup.h
View File

@ -84,6 +84,7 @@ extern int noexec_disabled;
extern int memory_end_set;
extern unsigned long memory_end;
extern unsigned long max_physmem_end;
extern unsigned long __swsusp_reset_dma;
#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)

6
arch/s390/kernel/dumpstack.c
View File

@ -114,12 +114,8 @@ recursion_check:
* If it comes up a second time then there's something wrong going on:
* just break out and report an unknown stack type.
*/
if (*visit_mask & (1UL << info->type)) {
printk_deferred_once(KERN_WARNING
"WARNING: stack recursion on stack type %d\n",
info->type);
if (*visit_mask & (1UL << info->type))
goto unknown;
}
*visit_mask |= 1UL << info->type;
return 0;
unknown:

7
arch/s390/kernel/head64.S
View File

@ -60,12 +60,5 @@ ENTRY(startup_continue)
.align 16
.LPG1:
.Lpcmsk:.quad 0x0000000180000000
.L4malign:.quad 0xffffffffffc00000
.Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8
.Lnop: .long 0x07000700
.Lparmaddr:
.quad PARMAREA
.align 64
.Ldw: .quad 0x0002000180000000,0x0000000000000000
.Laregs:.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

9
arch/s390/kernel/ipl.c
View File

@ -31,7 +31,6 @@
#include <asm/os_info.h>
#include <asm/sections.h>
#include <asm/boot_data.h>
#include <asm/uv.h>
#include "entry.h"
#define IPL_PARM_BLOCK_VERSION 0
@ -892,21 +891,15 @@ static void __reipl_run(void *unused)
{
switch (reipl_type) {
case IPL_TYPE_CCW:
uv_set_shared(__pa(reipl_block_ccw));
diag308(DIAG308_SET, reipl_block_ccw);
uv_remove_shared(__pa(reipl_block_ccw));
diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case IPL_TYPE_FCP:
uv_set_shared(__pa(reipl_block_fcp));
diag308(DIAG308_SET, reipl_block_fcp);
uv_remove_shared(__pa(reipl_block_fcp));
diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case IPL_TYPE_NSS:
uv_set_shared(__pa(reipl_block_nss));
diag308(DIAG308_SET, reipl_block_nss);
uv_remove_shared(__pa(reipl_block_nss));
diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case IPL_TYPE_UNKNOWN:
@ -1176,9 +1169,7 @@ static struct kset *dump_kset;
static void diag308_dump(void *dump_block)
{
uv_set_shared(__pa(dump_block));
diag308(DIAG308_SET, dump_block);
uv_remove_shared(__pa(dump_block));
while (1) {
if (diag308(DIAG308_LOAD_NORMAL_DUMP, NULL) != 0x302)
break;

1
arch/s390/kernel/machine_kexec_reloc.c
View File

@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/elf.h>
#include <asm/kexec.h>
int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val,
unsigned long addr)

2
arch/s390/kernel/perf_cpum_cf_diag.c
View File

@ -34,7 +34,7 @@ struct cf_diag_csd { /* Counter set data per CPU */
unsigned char start[PAGE_SIZE]; /* Counter set at event start */
unsigned char data[PAGE_SIZE]; /* Counter set at event delete */
};
DEFINE_PER_CPU(struct cf_diag_csd, cf_diag_csd);
static DEFINE_PER_CPU(struct cf_diag_csd, cf_diag_csd);
/* Counter sets are stored as data stream in a page sized memory buffer and
* exported to user space via raw data attached to the event sample data.

3
arch/s390/kernel/setup.c
View File

@ -1114,8 +1114,7 @@ void __init setup_arch(char **cmdline_p)
ROOT_DEV = Root_RAM0;
/* Is init_mm really needed? */
init_mm.start_code = PAGE_OFFSET;
init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
init_mm.brk = (unsigned long) _end;

5
arch/s390/kernel/vdso.c
View File

@ -216,11 +216,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
if (!vdso_enabled)
return 0;
/*
* Only map the vdso for dynamically linked elf binaries.
*/
if (!uses_interp)
return 0;
vdso_pages = vdso64_pages;
#ifdef CONFIG_COMPAT_VDSO

10
arch/s390/kernel/vmlinux.lds.S
View File

@ -32,10 +32,9 @@ PHDRS {
SECTIONS
{
. = 0x100000;
_stext = .; /* Start of text section */
.text : {
/* Text and read-only data */
_text = .;
_stext = .; /* Start of text section */
_text = .; /* Text and read-only data */
HEAD_TEXT
TEXT_TEXT
SCHED_TEXT
@ -47,11 +46,10 @@ SECTIONS
*(.text.*_indirect_*)
*(.fixup)
*(.gnu.warning)
. = ALIGN(PAGE_SIZE);
_etext = .; /* End of text section */
} :text = 0x0700
. = ALIGN(PAGE_SIZE);
_etext = .; /* End of text section */
NOTES :text :note
.dummy : { *(.dummy) } :data

10
arch/s390/kvm/kvm-s390.c
View File

@ -2516,16 +2516,6 @@ out_err:
return rc;
}
bool kvm_arch_has_vcpu_debugfs(void)
{
return false;
}
int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu)
{
return 0;
}
void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
{
VCPU_EVENT(vcpu, 3, "%s", "free cpu");

1
arch/s390/lib/xor.c
View File

@ -9,6 +9,7 @@
#include <linux/types.h>
#include <linux/export.h>
#include <linux/raid/xor.h>
#include <asm/xor.h>
static void xor_xc_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
{

12
arch/s390/mm/dump_pagetables.c
View File

@ -161,9 +161,9 @@ static void walk_pmd_level(struct seq_file *m, struct pg_state *st,
}
#endif
for (i = 0; i < PTRS_PER_PMD && addr < max_addr; i++) {
pmd = pmd_offset(pud, addr);
for (i = 0; i < PTRS_PER_PMD && addr < max_addr; i++, pmd++) {
st->current_address = addr;
pmd = pmd_offset(pud, addr);
if (!pmd_none(*pmd)) {
if (pmd_large(*pmd)) {
prot = pmd_val(*pmd) &
@ -192,9 +192,9 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st,
}
#endif
for (i = 0; i < PTRS_PER_PUD && addr < max_addr; i++) {
pud = pud_offset(p4d, addr);
for (i = 0; i < PTRS_PER_PUD && addr < max_addr; i++, pud++) {
st->current_address = addr;
pud = pud_offset(p4d, addr);
if (!pud_none(*pud))
if (pud_large(*pud)) {
prot = pud_val(*pud) &
@ -222,9 +222,9 @@ static void walk_p4d_level(struct seq_file *m, struct pg_state *st,
}
#endif
for (i = 0; i < PTRS_PER_P4D && addr < max_addr; i++) {
p4d = p4d_offset(pgd, addr);
for (i = 0; i < PTRS_PER_P4D && addr < max_addr; i++, p4d++) {
st->current_address = addr;
p4d = p4d_offset(pgd, addr);
if (!p4d_none(*p4d))
walk_pud_level(m, st, p4d, addr);
else

3
arch/s390/mm/fault.c
View File

@ -327,6 +327,7 @@ static noinline void do_fault_error(struct pt_regs *regs, int access,
case VM_FAULT_BADACCESS:
if (access == VM_EXEC && signal_return(regs) == 0)
break;
/* fallthrough */
case VM_FAULT_BADMAP:
/* Bad memory access. Check if it is kernel or user space. */
if (user_mode(regs)) {
@ -336,7 +337,9 @@ static noinline void do_fault_error(struct pt_regs *regs, int access,
do_sigsegv(regs, si_code);
break;
}
/* fallthrough */
case VM_FAULT_BADCONTEXT:
/* fallthrough */
case VM_FAULT_PFAULT:
do_no_context(regs);
break;

4
arch/s390/mm/gmap.c
View File

@ -2424,8 +2424,8 @@ EXPORT_SYMBOL_GPL(gmap_pmdp_idte_global);
* This function is assumed to be called with the guest_table_lock
* held.
*/
bool gmap_test_and_clear_dirty_pmd(struct gmap *gmap, pmd_t *pmdp,
unsigned long gaddr)
static bool gmap_test_and_clear_dirty_pmd(struct gmap *gmap, pmd_t *pmdp,
unsigned long gaddr)
{
if (pmd_val(*pmdp) & _SEGMENT_ENTRY_INVALID)
return false;

3
arch/s390/scripts/Makefile.chkbss
View File

@ -11,8 +11,7 @@ chkbss: $(addprefix $(obj)/, $(chkbss-files))
quiet_cmd_chkbss = CHKBSS $<
cmd_chkbss = \
if $(OBJDUMP) -h $< | grep -q "\.bss" && \
! $(OBJDUMP) -j .bss -w -h $< | awk 'END { if ($$3) exit 1 }'; then \
if ! $(OBJSIZE) --common $< | $(AWK) 'END { if ($$3) exit 1 }'; then \
echo "error: $< .bss section is not empty" >&2; exit 1; \
fi; \
touch $@;

8
arch/x86/boot/string.c
View File

@ -37,6 +37,14 @@ int memcmp(const void *s1, const void *s2, size_t len)
return diff;
}
/*
* Clang may lower `memcmp == 0` to `bcmp == 0`.
*/
int bcmp(const void *s1, const void *s2, size_t len)
{
return memcmp(s1, s2, len);
}
int strcmp(const char *str1, const char *str2)
{
const unsigned char *s1 = (const unsigned char *)str1;

17
arch/x86/entry/calling.h
View File

@ -314,6 +314,23 @@ For 32-bit we have the following conventions - kernel is built with
#endif
/*
* Mitigate Spectre v1 for conditional swapgs code paths.
*
* FENCE_SWAPGS_USER_ENTRY is used in the user entry swapgs code path, to
* prevent a speculative swapgs when coming from kernel space.
*
* FENCE_SWAPGS_KERNEL_ENTRY is used in the kernel entry non-swapgs code path,
* to prevent the swapgs from getting speculatively skipped when coming from
* user space.
*/
.macro FENCE_SWAPGS_USER_ENTRY
ALTERNATIVE "", "lfence", X86_FEATURE_FENCE_SWAPGS_USER
.endm
.macro FENCE_SWAPGS_KERNEL_ENTRY
ALTERNATIVE "", "lfence", X86_FEATURE_FENCE_SWAPGS_KERNEL
.endm
.macro STACKLEAK_ERASE_NOCLOBBER
#ifdef CONFIG_GCC_PLUGIN_STACKLEAK
PUSH_AND_CLEAR_REGS

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