This patch mades TI_DAVINCI_CPDMA select GENERIC_ALLOCATOR.
without that, the following sparc64 build failure happen
drivers/net/ethernet/ti/davinci_cpdma.o: In function `cpdma_check_free_tx_desc':
(.text+0x278): undefined reference to `gen_pool_avail'
drivers/net/ethernet/ti/davinci_cpdma.o: In function `cpdma_chan_submit':
(.text+0x340): undefined reference to `gen_pool_alloc'
(.text+0x5c4): undefined reference to `gen_pool_free'
drivers/net/ethernet/ti/davinci_cpdma.o: In function `__cpdma_chan_free':
davinci_cpdma.c:(.text+0x64c): undefined reference to `gen_pool_free'
drivers/net/ethernet/ti/davinci_cpdma.o: In function `cpdma_desc_pool_destroy.isra.6':
davinci_cpdma.c:(.text+0x17ac): undefined reference to `gen_pool_size'
davinci_cpdma.c:(.text+0x17b8): undefined reference to `gen_pool_avail'
davinci_cpdma.c:(.text+0x1824): undefined reference to `gen_pool_size'
davinci_cpdma.c:(.text+0x1830): undefined reference to `gen_pool_avail'
drivers/net/ethernet/ti/davinci_cpdma.o: In function `cpdma_ctlr_create':
(.text+0x19f8): undefined reference to `devm_gen_pool_create'
(.text+0x1a90): undefined reference to `gen_pool_add_virt'
Makefile:1011: recipe for target 'vmlinux' failed
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
maliciously crafted file systems, and some DAX fixes.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Ted writes:
Various ext4 bug fixes; primarily making ext4 more robust against
maliciously crafted file systems, and some DAX fixes.
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4, dax: set ext4_dax_aops for dax files
ext4, dax: add ext4_bmap to ext4_dax_aops
ext4: don't mark mmp buffer head dirty
ext4: show test_dummy_encryption mount option in /proc/mounts
ext4: close race between direct IO and ext4_break_layouts()
ext4: fix online resizing for bigalloc file systems with a 1k block size
ext4: fix online resize's handling of a too-small final block group
ext4: recalucate superblock checksum after updating free blocks/inodes
ext4: avoid arithemetic overflow that can trigger a BUG
ext4: avoid divide by zero fault when deleting corrupted inline directories
ext4: check to make sure the rename(2)'s destination is not freed
ext4: add nonstring annotations to ext4.h
This Kselftest fixes update for 4.9-rc5 consists of:
-- fixes to build failures
-- fixes to add missing config files to increase test coverage
-- fixes to cgroup test and a new cgroup test for memory.oom.group
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Merge tag 'linux-kselftest-4.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pulled kselftest fixes from Shuah:
"This Kselftest fixes update for 4.9-rc5 consists of:
-- fixes to build failures
-- fixes to add missing config files to increase test coverage
-- fixes to cgroup test and a new cgroup test for memory.oom.group"
Daniel Borkmann says:
====================
pull-request: bpf 2018-09-16
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix end boundary calculation in BTF for the type section, from Martin.
2) Fix and revert subtraction of pointers that was accidentally allowed
for unprivileged programs, from Alexei.
3) Fix bpf_msg_pull_data() helper by using __GFP_COMP in order to avoid
a warning in linearizing sg pages into a single one for large allocs,
from Tushar.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Same as ip_gre, use gre_parse_header to parse gre header in gre error
handler code.
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
gre_parse_header stops parsing when csum_err is encountered, which means
tpi->key is undefined and ip_tunnel_lookup will return NULL improperly.
This patch introduce a NULL pointer as csum_err parameter. Even when
csum_err is encountered, it won't return error and continue parsing gre
header as expected.
Fixes: 9f57c67c37 ("gre: Remove support for sharing GRE protocol hook.")
Reported-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
PHY_POLL is defined as -1 which means that we would be setting all flags of the
PHY driver, this is also not a valid flag to tell PHYLIB about, just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Davide Caratti says:
====================
net/sched: act_police: lockless data path
the data path of 'police' action can be faster if we avoid using spinlocks:
- patch 1 converts act_police to use per-cpu counters
- patch 2 lets act_police use RCU to access its configuration data.
test procedure (using pktgen from https://github.com/netoptimizer):
# ip link add name eth1 type dummy
# ip link set dev eth1 up
# tc qdisc add dev eth1 clsact
# tc filter add dev eth1 egress matchall action police \
> rate 2gbit burst 100k conform-exceed pass/pass index 100
# for c in 1 2 4; do
> ./pktgen_bench_xmit_mode_queue_xmit.sh -v -s 64 -t $c -n 5000000 -i eth1
> done
test results (avg. pps/thread):
$c | before patch | after patch | improvement
----+--------------+--------------+-------------
1 | 3518448 | 3591240 | irrelevant
2 | 3070065 | 3383393 | 10%
4 | 1540969 | 3238385 | 110%
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
use RCU instead of spinlocks, to protect concurrent read/write on
act_police configuration. This reduces the effects of contention in the
data path, in case multiple readers are present.
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
use per-CPU counters, instead of sharing a single set of stats with all
cores. This removes the need of using spinlock when statistics are read
or updated.
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Paolo Abeni says:
====================
udp: add missing check on edumx rx path
The early demux RX path for the UDP protocol is currently missing
some checks. Both ipv4 and ipv6 implementations lack checksum conversion
and the ipv6 implementation additionally lack the zero checksum
validation.
The first patch takes care of UDPv4 and the second one of UDPv6
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently the UDPv6 early demux rx code path lacks some mandatory
checks, already implemented into the normal RX code path - namely
the checksum conversion and no_check6_rx check.
Similar to the previous commit, we move the common processing to
an UDPv6 specific helper and call it from both edemux code path
and normal code path. In respect to the UDPv4, we need to add an
explicit check for non zero csum according to no_check6_rx value.
Reported-by: Jianlin Shi <jishi@redhat.com>
Suggested-by: Xin Long <lucien.xin@gmail.com>
Fixes: c9f2c1ae12 ("udp6: fix socket leak on early demux")
Fixes: 2abb7cdc0d ("udp: Add support for doing checksum unnecessary conversion")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 2abb7cdc0d ("udp: Add support for doing checksum
unnecessary conversion") left out the early demux path for
connected sockets. As a result IP_CMSG_CHECKSUM gives wrong
values for such socket when GRO is not enabled/available.
This change addresses the issue by moving the csum conversion to a
common helper and using such helper in both the default and the
early demux rx path.
Fixes: 2abb7cdc0d ("udp: Add support for doing checksum unnecessary conversion")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Synopsys DWC Ethernet MAC can be configured to have 1..32, 64, or
128 unicast filter entries. (Table 7-8 MAC Address Registers from
databook) Fix dwmac1000_validate_ucast_entries() to accept values
between 1 and 32 in addition.
Signed-off-by: Jongsung Kim <neidhard.kim@lge.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Code of Conflict is not achieving its implicit goal of fostering
civility and the spirit of 'be excellent to each other'. Explicit
guidelines have demonstrated success in other projects and other areas
of the kernel.
Here is a Code of Conduct statement for the wider kernel. It is based
on the Contributor Covenant as described at www.contributor-covenant.org
From this point forward, we should abide by these rules in order to help
make the kernel community a welcoming environment to participate in.
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Olof Johansson <olof@lxom.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Sync syscall to DAX file needs to flush processor cache, but it
currently does not flush to existing DAX files. This is because
'ext4_da_aops' is set to address_space_operations of existing DAX
files, instead of 'ext4_dax_aops', since S_DAX flag is set after
ext4_set_aops() in the open path.
New file
--------
lookup_open
ext4_create
__ext4_new_inode
ext4_set_inode_flags // Set S_DAX flag
ext4_set_aops // Set aops to ext4_dax_aops
Existing file
-------------
lookup_open
ext4_lookup
ext4_iget
ext4_set_aops // Set aops to ext4_da_aops
ext4_set_inode_flags // Set S_DAX flag
Change ext4_iget() to initialize i_flags before ext4_set_aops().
Fixes: 5f0663bb4a ("ext4, dax: introduce ext4_dax_aops")
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Suggested-by: Jan Kara <jack@suse.cz>
Cc: stable@vger.kernel.org
Ext4 mount path calls .bmap to the journal inode. This currently
works for the DAX mount case because ext4_iget() always set
'ext4_da_aops' to any regular files.
In preparation to fix ext4_iget() to set 'ext4_dax_aops' for ext4
DAX files, add ext4_bmap() to 'ext4_dax_aops', since bmap works for
DAX inodes.
Fixes: 5f0663bb4a ("ext4, dax: introduce ext4_dax_aops")
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Suggested-by: Jan Kara <jack@suse.cz>
Cc: stable@vger.kernel.org
Marking mmp bh dirty before writing it will make writeback
pick up mmp block later and submit a write, we don't want the
duplicate write as kmmpd thread should have full control of
reading and writing the mmp block.
Another reason is we will also have random I/O error on
the writeback request when blk integrity is enabled, because
kmmpd could modify the content of the mmp block(e.g. setting
new seq and time) while the mmp block is under I/O requested
by writeback.
Signed-off-by: Li Dongyang <dongyangli@ddn.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Cc: stable@vger.kernel.org
When in effect, add "test_dummy_encryption" to _ext4_show_options() so
that it is shown in /proc/mounts and other relevant procfs files.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
Pull x86 fixes from Ingol Molnar:
"Misc fixes:
- EFI crash fix
- Xen PV fixes
- do not allow PTI on 2-level 32-bit kernels for now
- documentation fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/APM: Fix build warning when PROC_FS is not enabled
Revert "x86/mm/legacy: Populate the user page-table with user pgd's"
x86/efi: Load fixmap GDT in efi_call_phys_epilog() before setting %cr3
x86/xen: Disable CPU0 hotplug for Xen PV
x86/EISA: Don't probe EISA bus for Xen PV guests
x86/doc: Fix Documentation/x86/earlyprintk.txt
Pull scheduler fixes from Ingo Molnar:
"Misc fixes: various scheduler metrics corner case fixes, a
sched_features deadlock fix, and a topology fix for certain NUMA
systems"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix kernel-doc notation warning
sched/fair: Fix load_balance redo for !imbalance
sched/fair: Fix scale_rt_capacity() for SMT
sched/fair: Fix vruntime_normalized() for remote non-migration wakeup
sched/pelt: Fix update_blocked_averages() for RT and DL classes
sched/topology: Set correct NUMA topology type
sched/debug: Fix potential deadlock when writing to sched_features
Fix build warning in apm_32.c when CONFIG_PROC_FS is not enabled:
../arch/x86/kernel/apm_32.c:1643:12: warning: 'proc_apm_show' defined but not used [-Wunused-function]
static int proc_apm_show(struct seq_file *m, void *v)
Fixes: 3f3942aca6 ("proc: introduce proc_create_single{,_data}")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Jiri Kosina <jikos@kernel.org>
Link: https://lkml.kernel.org/r/be39ac12-44c2-4715-247f-4dcc3c525b8b@infradead.org
The batadv interfaces are virtual interfaces which just tunnel the traffic
over other ethernet compatible interfaces. It doesn't need serialization
during the tx phase and is using RCU for most of its internal
datastructures. Since it doesn't have actual queues which could be locked
independently, the throughput gets significantly reduced by the extra lock
in the core net code.
8 parallel TCP connections forwarded by an IPQ4019 based hardware over
5GHz could reach:
* without LLTX: 349 Mibit/s
* with LLTX: 563 Mibit/s
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
B.A.T.M.A.N. IV requires the number of rebroadcast from a neighboring
originator. These statistics are gathered per interface which transmitted
the OGM (and then received it again). Since an originator is not interface
specific, a resizable array was used in each originator.
This resizable array had an entry for each interface and had to be resizes
(for all OGMs) when the number of active interface was modified. This could
cause problems when a large number of interface is added and not enough
continuous memory is available to allocate the array.
There is already a per interface originator structure "batadv_orig_ifinfo"
which can be used to store this information.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
A private debug logging infrastructure is currently provided via
$debug_fs/batman_adv/*/log when CONFIG_BATMAN_ADV_DEBUG is enabled. This is
not well integrated in the rest of the tracing infrastructure of the
kernel.
Other components (like mac80211 or ath10k) allow to gather the debug
messages using generic trace events which are better integrated. This makes
it possible to interact with them using the existing userspace tools.
The tracepoint batadv:batadv_dbg will now be available when
CONFIG_BATMAN_ADV_DEBUG and CONFIG_BATMAN_ADV_TRACING is activated. The log
level mask is still used for filtering as usual.
A full system trace for offline parsing can be created (and read) using:
$ batctl ll all
$ trace-cmd record -e batadv:batadv_dbg
$ trace-cmd report
The same can also be done without recording to a file
$ batctl ll all
$ trace-cmd stream -e batadv:batadv_dbg
The trace infrastructure is especially helpful when tracing processes:
$ batctl ll all
$ ./tools/perf/perf trace --event "batadv:*" batctl p 10.204.32.1
0.000 batadv:batadv_dbg:batman_adv bat0 Parsing outgoing ARP REQUEST
0.045 batadv:batadv_dbg:batman_adv bat0 ARP MSG = [src: a2:64:14:53:f8:22-10.204.32.185 dst: 00:00:00:00:00:00-10.204.32.1]
0.067 batadv:batadv_dbg:batman_adv bat0 Entry updated: 10.204.32.185 a2:64:14:53:f8:22 (vid: -1)
0.099 batadv:batadv_dbg:batman_adv bat0 batadv_dat_select_candidates(): IP=10.204.32.1 hash(IP)=48902
0.757 batadv:batadv_dbg:batman_adv bat0 dat_select_candidates() 0: selected fe:2c:91:68:29:2b addr=48977 dist=65460
1.178 batadv:batadv_dbg:batman_adv bat0 dat_select_candidates() 1: selected fe:81:ab:c5:e3:03 addr=49181 dist=65256
1.809 batadv:batadv_dbg:batman_adv bat0 dat_select_candidates() 2: selected 66:25:a7:48:37:fb addr=49328 dist=65109
1.828 batadv:batadv_dbg:batman_adv bat0 DHT_SEND for 10.204.32.1
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Merge tag '4.19-rc3-smb3-cifs' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Fixes for four CIFS/SMB3 potential pointer overflow issues, one minor
build fix, and a build warning cleanup"
* tag '4.19-rc3-smb3-cifs' of git://git.samba.org/sfrench/cifs-2.6:
cifs: read overflow in is_valid_oplock_break()
cifs: integer overflow in in SMB2_ioctl()
CIFS: fix wrapping bugs in num_entries()
cifs: prevent integer overflow in nxt_dir_entry()
fs/cifs: require sha512
fs/cifs: suppress a string overflow warning
Stable bugfixes:
- v4.17+: Fix a tracepoint Oops in initiate_file_draining()
- v4.17+: Fix a tracepoint Oops in initiate_file_draining()
- v4.11+: Fix an infinite loop on I/O
Other fixes:
- Return errors if a waiting layoutget is killed
- Don't open code clearing of delegation state
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Merge tag 'nfs-for-4.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client bugfixes from Anna Schumaker:
"These are a handful of fixes for problems that Trond found. Patch #1
and #3 have the same name, a second issue was found after applying the
first patch.
Stable bugfixes:
- v4.17+: Fix tracepoint Oops in initiate_file_draining()
- v4.11+: Fix an infinite loop on I/O
Other fixes:
- Return errors if a waiting layoutget is killed
- Don't open code clearing of delegation state"
* tag 'nfs-for-4.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Don't open code clearing of delegation state
NFSv4.1 fix infinite loop on I/O.
NFSv4: Fix a tracepoint Oops in initiate_file_draining()
pNFS: Ensure we return the error if someone kills a waiting layoutget
NFSv4: Fix a tracepoint Oops in initiate_file_draining()
modifies CC_FLAGS_FTRACE. The issue is that it breaks the dependencies
and causes "make targz-pkg" to rebuild the entire world.
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Merge tag 'trace-v4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"This fixes an issue with the build system caused by a change that
modifies CC_FLAGS_FTRACE. The issue is that it breaks the dependencies
and causes "make targz-pkg" to rebuild the entire world"
* tag 'trace-v4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/Makefile: Fix handling redefinition of CC_FLAGS_FTRACE
- Fix a regression on systems having a DT without any phandles which
happens on a PowerMac G3.
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Merge tag 'devicetree-fixes-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fix from Rob Herring:
"One regression for a 20 year old PowerMac:
- Fix a regression on systems having a DT without any phandles which
happens on a PowerMac G3"
* tag 'devicetree-fixes-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: fix phandle cache creation for DTs with no phandles
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Merge tag 'for-linus-4.19c-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"This contains some minor cleanups and fixes:
- a new knob for controlling scrubbing of pages returned by the Xen
balloon driver to the Xen hypervisor to address a boot performance
issue seen in large guests booted pre-ballooned
- a fix of a regression in the gntdev driver which made it impossible
to use fully virtualized guests (HVM guests) with a 4.19 based dom0
- a fix in Xen cpu hotplug functionality which could be triggered by
wrong admin commands (setting number of active vcpus to 0)
One further note: the patches have all been under test for several
days in another branch. This branch has been rebased in order to avoid
merge conflicts"
* tag 'for-linus-4.19c-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/gntdev: fix up blockable calls to mn_invl_range_start
xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN_COL usage
xen: avoid crash in disable_hotplug_cpu
xen/balloon: add runtime control for scrubbing ballooned out pages
xen/manage: don't complain about an empty value in control/sysrq node
- don't allocate memory in platform_setup as the memory allocator is not
initialized at that point yet;
- remove unnecessary ifeq KBUILD_SRC from arch/xtensa/Makefile;
- enable SG chaining in arch/xtensa/Kconfig.
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Merge tag 'xtensa-20180914' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa fixes and cleanups from Max Filippov:
- don't allocate memory in platform_setup as the memory allocator is
not initialized at that point yet;
- remove unnecessary ifeq KBUILD_SRC from arch/xtensa/Makefile;
- enable SG chaining in arch/xtensa/Kconfig.
* tag 'xtensa-20180914' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: enable SG chaining in Kconfig
xtensa: remove unnecessary KBUILD_SRC ifeq conditional
xtensa: ISS: don't allocate memory in platform_setup
- Fix ioport_map() mapping the wrong physical address for some I/O BARs
- Remove direct use of "asm goto", since some compilers don't like that
- Ensure kimage_voffset is always present in vmcoreinfo PT_NOTE
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The trickle of arm64 fixes continues to come in.
Nothing that's the end of the world, but we've got a fix for PCI IO
port accesses, an accidental naked "asm goto" and a fix to the
vmcoreinfo PT_NOTE merged this time around which we'd like to get
sorted before it becomes ABI.
- Fix ioport_map() mapping the wrong physical address for some I/O
BARs
- Remove direct use of "asm goto", since some compilers don't like
that
- Ensure kimage_voffset is always present in vmcoreinfo PT_NOTE"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
asm-generic: io: Fix ioport_map() for !CONFIG_GENERIC_IOMAP && CONFIG_INDIRECT_PIO
arm64: kernel: arch_crash_save_vmcoreinfo() should depend on CONFIG_CRASH_CORE
arm64: jump_label.h: use asm_volatile_goto macro instead of "asm goto"
Add a helper for the case when the nfs4 open state has been set to use
a delegation stateid, and we want to revert to using the open stateid.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
The previous fix broke recovery of delegated stateids because it assumes
that if we did not mark the delegation as suspect, then the delegation has
effectively been revoked, and so it removes that delegation irrespectively
of whether or not it is valid and still in use. While this is "mostly
harmless" for ordinary I/O, we've seen pNFS fail with LAYOUTGET spinning
in an infinite loop while complaining that we're using an invalid stateid
(in this case the all-zero stateid).
What we rather want to do here is ensure that the delegation is always
correctly marked as needing testing when that is the case. So we want
to close the loophole offered by nfs4_schedule_stateid_recovery(),
which marks the state as needing to be reclaimed, but not the
delegation that may be backing it.
Fixes: 0e3d3e5df0 ("NFSv4.1 fix infinite loop on IO BAD_STATEID error")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.11+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Now that the value of 'ino' can be NULL or an ERR_PTR(), we need to
change the test in the tracepoint.
Fixes: ce5624f7e6 ("NFSv4: Return NFS4ERR_DELAY when a layout fails...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.17+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
If someone interrupts a wait on one or more outstanding layoutgets in
pnfs_update_layout() then return the ERESTARTSYS/EINTR error.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Now that the value of 'ino' can be NULL or an ERR_PTR(), we need to
change the test in the tracepoint.
Fixes: ce5624f7e6 ("NFSv4: Return NFS4ERR_DELAY when a layout fails...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.17+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
- Fix mic_x100_dma to use devm_kzalloc to ensure memory is freed after
use by device manage dmaengine release function added in merge window
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Merge tag 'dmaengine-fix-4.19-rc4' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fix from Vinod Koul:
"Fix the mic_x100_dma driver to use devm_kzalloc for driver memory, so
that it is freed properly when it unregisters from dmaengine using
managed API"
* tag 'dmaengine-fix-4.19-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: mic_x100_dma: use devm_kzalloc to fix an issue
Here are a number of small USB driver fixes for -rc4.
The usual suspects of gadget, xhci, and dwc2/3 are in here, along with
some reverts of reported problem changes, and a number of build
documentation warning fixes. Full details are in the shortlog.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of small USB driver fixes for -rc4.
The usual suspects of gadget, xhci, and dwc2/3 are in here, along with
some reverts of reported problem changes, and a number of build
documentation warning fixes. Full details are in the shortlog.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
Revert "cdc-acm: implement put_char() and flush_chars()"
usb: Change usb_of_get_companion_dev() place to usb/common
usb: xhci: fix interrupt transfer error happened on MTK platforms
usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()
usb: misc: uss720: Fix two sleep-in-atomic-context bugs
usb: host: u132-hcd: Fix a sleep-in-atomic-context bug in u132_get_frame()
usb: Avoid use-after-free by flushing endpoints early in usb_set_interface()
linux/mod_devicetable.h: fix kernel-doc missing notation for typec_device_id
usb/typec: fix kernel-doc notation warning for typec_match_altmode
usb: Don't die twice if PCI xhci host is not responding in resume
usb: mtu3: fix error of xhci port id when enable U3 dual role
usb: uas: add support for more quirk flags
USB: Add quirk to support DJI CineSSD
usb: typec: fix kernel-doc parameter warning
usb/dwc3/gadget: fix kernel-doc parameter warning
USB: yurex: Check for truncation in yurex_read()
USB: yurex: Fix buffer over-read in yurex_write()
usb: host: xhci-plat: Iterate over parent nodes for finding quirks
xhci: Fix use after free for URB cancellation on a reallocated endpoint
USB: add quirk for WORLDE Controller KS49 or Prodipe MIDI 49C USB controller
...
Here are 3 small HVC tty driver fixes to resolve a reported regression
from 4.19-rc1.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fixes from Greg KH:
"Here are three small HVC tty driver fixes to resolve a reported
regression from 4.19-rc1.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: hvc: hvc_write() fix break condition
tty: hvc: hvc_poll() fix read loop batching
tty: hvc: hvc_poll() fix read loop hang
- In CXGB4_DCB_STATE_FW_INCOMPLETE state check if the dcb
version is changed and update the dcb supported version.
- Also, fill the priority code point value for priority
based flow control.
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Here are a few small staging and iio driver fixes for -rc4.
Nothing major, just a few small bugfixes for some reported issues, and a
MAINTAINERS file update for the fbtft drivers. We also re-enable the
building of the erofs filesystem as the patcheset that was causing it to
break never got merged in the -rc1 cycle, so there's no reason it can't
be turned back on for now. The problem that was previously there is now
being handled in that other tree at the moment, so it will not hit us
again in the future.
All of these patches have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver fixes from Greg KH:
"Here are a few small staging and iio driver fixes for -rc4.
Nothing major, just a few small bugfixes for some reported issues, and
a MAINTAINERS file update for the fbtft drivers.
We also re-enable the building of the erofs filesystem as the XArray
patches that were causing it to break never got merged in the -rc1
cycle, so there's no reason it can't be turned back on for now. The
problem that was previously there is now being handled in the Xarray
tree at the moment, so it will not hit us again in the future.
All of these patches have been in linux-next with no reported issues"
* tag 'staging-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: vboxvideo: Change address of scanout buffer on page-flip
staging: vboxvideo: Fix IRQs no longer working
staging: gasket: TODO: re-implement using UIO
staging/fbtft: Update TODO and mailing lists
staging: erofs: rename superblock flags (MS_xyz -> SB_xyz)
iio: imu: st_lsm6dsx: take into account ts samples in wm configuration
Revert "iio: temperature: maxim_thermocouple: add MAX31856 part"
Revert "staging: erofs: disable compiling temporarile"
MAINTAINERS: Switch a maintainer for drivers/staging/gasket
staging: wilc1000: revert "fix TODO to compile spi and sdio components in single module"
print per rx-queue packet errors in sge_qinfo
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Do not put host-endian 0 or 1 into big endian feild.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>