Commit Graph

3530 Commits

Author SHA1 Message Date
Greg Kroah-Hartman
0e42b5fee8 Merge 6.7-rc5 into char-misc-next
We need the char/misc fixes in here as well for testing and to build off
of.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-11 08:39:35 +01:00
Linus Torvalds
a6adef8987 ARM: SoC fixes for v6.7
Most of the changes are devicetree fixes for NXP, Mediatek, Rockchips
 Arm machines as well as Microchip RISC-V, and most of these address
 build-time warnings for spec violations and other minor issues. One of
 the Mediatek warnings was enabled by default and prevented a clean build.
 The ones that address serious runtime issues are all on the i.MX platform:
 
  - a boot time panic on imx8qm
  - USB hanging under load on imx8
  - regressions on the imx93 ethernet phy
 
 Code fixes include a minor error handling for the i.MX PMU driver, and
 a number of firmware driver fixes:
 
  - OP-TEE fix for supplicant based device enumeration, and a new
    sysfs attribute to needed to fix a race against userspace
 
  - Arm SCMI fix for possible truncation/overflow in the frequency
    computations
 
  - Multiple FF-A fixes for the newly added notification support.
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Merge tag 'soc-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Most of the changes are devicetree fixes for NXP, Mediatek, Rockchips
  Arm machines as well as Microchip RISC-V, and most of these address
  build-time warnings for spec violations and other minor issues. One of
  the Mediatek warnings was enabled by default and prevented a clean
  build.

  The ones that address serious runtime issues are all on the i.MX
  platform:

   - a boot time panic on imx8qm

   - USB hanging under load on imx8

   - regressions on the imx93 ethernet phy

  Code fixes include a minor error handling for the i.MX PMU driver, and
  a number of firmware driver fixes:

   - OP-TEE fix for supplicant based device enumeration, and a new sysfs
     attribute to needed to fix a race against userspace

   - Arm SCMI fix for possible truncation/overflow in the frequency
     computations

   - Multiple FF-A fixes for the newly added notification support"

* tag 'soc-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (55 commits)
  MAINTAINERS: change the S32G2 maintainer's email address.
  arm64: dts: rockchip: Fix eMMC Data Strobe PD on rk3588
  ARM: dts: imx28-xea: Pass the 'model' property
  ARM: dts: imx7: Declare timers compatible with fsl,imx6dl-gpt
  MAINTAINERS: reinstate freescale ARM64 DT directory in i.MX entry
  arm64: dts: imx8-apalis: set wifi regulator to always-on
  ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init
  arm64: dts: imx8ulp: update gpio node name to align with register address
  arm64: dts: imx93: update gpio node name to align with register address
  arm64: dts: imx93: correct mediamix power
  arm64: dts: imx8qm: Add imx8qm's own pm to avoid panic during startup
  arm64: dts: freescale: imx8-ss-dma: Fix #pwm-cells
  arm64: dts: freescale: imx8-ss-lsio: Fix #pwm-cells
  dt-bindings: pwm: imx-pwm: Unify #pwm-cells for all compatibles
  ARM: dts: imx6ul-pico: Describe the Ethernet PHY clock
  arm64: dts: imx8mp: imx8mq: Add parkmode-disable-ss-quirk on DWC3
  arm64: dts: rockchip: Fix PCI node addresses on rk3399-gru
  arm64: dts: rockchip: drop interrupt-names property from rk3588s dfi
  firmware: arm_scmi: Fix possible frequency truncation when using level indexing mode
  firmware: arm_scmi: Fix frequency truncation by promoting multiplier type
  ...
2023-12-08 08:58:39 -08:00
Jay Buddhabhatti
5dac2a98f6 firmware: zynqmp: Add support to handle IPI CRC failure
Added new PM error code XST_PM_INVALID_CRC to handle CRC validation failure
during IPI communication.

Co-developed-by: Naman Trivedi Manojbhai <naman.trivedimanojbhai@amd.com>
Signed-off-by: Naman Trivedi Manojbhai <naman.trivedimanojbhai@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-6-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-07 11:18:29 +09:00
Jay Buddhabhatti
8c016c807a drivers: soc: xilinx: Fix error message on SGI registration failure
Failure to register SGI for firmware event notification is non-fatal error
when feature is not supported by other modules such as Xen and TF-A. Add
_info level log message for such special case.

Also add XST_PM_INVALID_VERSION error code and map it to -EOPNOSUPP Linux
kernel error code. If feature is not supported or EEMI API version is
mismatch, firmware can return XST_PM_INVALID_VERSION = 4 or
XST_PM_NO_FEATURE = 19 error code.

Co-developed-by: Tanmay Shah <tanmay.shah@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-5-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-07 11:18:29 +09:00
Jay Buddhabhatti
a9d0618400 firmware: xilinx: Register event manager driver
Use family code in order to register event manager
driver for Versal and Versal NET platforms, instead
of using compatible string.

Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-4-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-07 11:18:28 +09:00
Jay Buddhabhatti
f689a0ca45 firmware: xilinx: Expand feature check to support all PLM modules
To support feature check for all modules, append the module id of the API
that is being checked to the feature check API so it could be routed to
the target module for processing.

There is no need to check compatible string because the board information
is taken via firmware interface.

Co-developed-by: Saeed Nowshadi <saeed.nowshadi@amd.com>
Signed-off-by: Saeed Nowshadi <saeed.nowshadi@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-3-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-07 11:18:28 +09:00
Jay Buddhabhatti
f922b16aa5 firmware: xilinx: Update firmware call interface to support additional args
System-level platform management layer (do_fw_call()) has support for
maximum of 5 arguments as of now (1 EEMI API ID + 4 command arguments).
In order to support new EEMI PM_IOCTL IDs (Secure Read/Write), this
support must be extended to support one additional argument, which
results in a configuration of - 1 EEMI API ID + 5 command arguments.

Update zynqmp_pm_invoke_fn() and do_fw_call() with this new definition
containing variable arguments. As a result, update all the references
to pm invoke function with the updated definition.

Co-developed-by: Izhar Ameer Shaikh <izhar.ameer.shaikh@amd.com>
Signed-off-by: Izhar Ameer Shaikh <izhar.ameer.shaikh@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-2-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-07 11:18:28 +09:00
Michal Simek
437cd966d3 firmware: xilinx: Use proper indentation in kernel-doc
Use tab for zynqmp_pm_load_pdi() arguments doc indentation.
No functional change.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Link: https://lore.kernel.org/r/1698645181-2874487-1-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-07 11:08:42 +09:00
Arnd Bergmann
b0b2981c49 Arm FF-A fixes for v6.7
A bunch of fixes addressing issues around the notification support that
 was added this cycle. They address issue in partition IDs handling in
 ffa_notification_info_get(), notifications cleanup path and the size of
 the allocation in ffa_partitions_cleanup().
 
 It also adds check for the notification enabled state so that the drivers
 registering the callbacks can be rejected if not enabled/supported.
 
 It also moves the partitions setup operation after the notification
 initialisation so that the driver has the correct state for notification
 enabled/supported before the partitions are initialised/setup.
 
 It also now allows FF-A initialisation to complete successfully even
 when the notification initialisation fails as it is an optional support
 in the specification. Initial support just allowed it only if the
 firmware didn't support notifications.
 
 Finally, it also adds a fix for smatch warning by declaring ffa_bus_type
 structure in the header.
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Merge tag 'ffa-fixes-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes

Arm FF-A fixes for v6.7

A bunch of fixes addressing issues around the notification support that
was added this cycle. They address issue in partition IDs handling in
ffa_notification_info_get(), notifications cleanup path and the size of
the allocation in ffa_partitions_cleanup().

It also adds check for the notification enabled state so that the drivers
registering the callbacks can be rejected if not enabled/supported.

It also moves the partitions setup operation after the notification
initialisation so that the driver has the correct state for notification
enabled/supported before the partitions are initialised/setup.

It also now allows FF-A initialisation to complete successfully even
when the notification initialisation fails as it is an optional support
in the specification. Initial support just allowed it only if the
firmware didn't support notifications.

Finally, it also adds a fix for smatch warning by declaring ffa_bus_type
structure in the header.

* tag 'ffa-fixes-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_ffa: Fix ffa_notification_info_get() IDs handling
  firmware: arm_ffa: Fix the size of the allocation in ffa_partitions_cleanup()
  firmware: arm_ffa: Fix FFA notifications cleanup path
  firmware: arm_ffa: Add checks for the notification enabled state
  firmware: arm_ffa: Setup the partitions after the notification initialisation
  firmware: arm_ffa: Allow FF-A initialisation even when notification fails
  firmware: arm_ffa: Declare ffa_bus_type structure in the header

Link: https://lore.kernel.org/r/20231116191603.929767-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-12-06 17:35:29 +01:00
Arnd Bergmann
2d8781ba59 Arm SCMI fixes for v6.7
A fix for possible truncation/overflow in the frequency computations
 as both the performance value and the multiplier are 32bit values.
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Merge tag 'scmi-fixes-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes

Arm SCMI fixes for v6.7

A fix for possible truncation/overflow in the frequency computations
as both the performance value and the multiplier are 32bit values.

* tag 'scmi-fixes-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_scmi: Fix possible frequency truncation when using level indexing mode
  firmware: arm_scmi: Fix frequency truncation by promoting multiplier type

Link: https://lore.kernel.org/r/20231204134724.30465-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-12-06 16:25:42 +01:00
Sudeep Holla
77f5032e94 firmware: arm_scmi: Fix possible frequency truncation when using level indexing mode
The multiplier is already promoted to unsigned long, however the
frequency calculations done when using level indexing mode doesn't
use the multiplier computed. It instead hardcodes the multiplier
value of 1000 at all the usage sites.

Clean that up by assigning the multiplier value of 1000 when using
the perf level indexing mode and update the frequency calculations to
use the multiplier instead. It should fix the possible frequency
truncation for all the values greater than or equal to 4GHz on 64-bit
machines.

Fixes: 31c7c1397a ("firmware: arm_scmi: Add v3.2 perf level indexing mode support")
Reported-by: Sibi Sankar <quic_sibis@quicinc.com>
Closes: https://lore.kernel.org/all/20231129065748.19871-3-quic_sibis@quicinc.com/
Cc: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20231130204343.503076-2-sudeep.holla@arm.com
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2023-12-04 12:33:44 +00:00
Sudeep Holla
8e3c98d918 firmware: arm_scmi: Fix frequency truncation by promoting multiplier type
Fix the possible frequency truncation for all values equal to or greater
4GHz on 64bit machines by updating the multiplier 'mult_factor' to
'unsigned long' type. It is also possible that the multiplier itself can
be greater than or equal to 2^32. So we need to also fix the equation
computing the value of the multiplier.

Fixes: a9e3fbfaa0 ("firmware: arm_scmi: add initial support for performance protocol")
Reported-by: Sibi Sankar <quic_sibis@quicinc.com>
Closes: https://lore.kernel.org/all/20231129065748.19871-3-quic_sibis@quicinc.com/
Cc: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20231130204343.503076-1-sudeep.holla@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2023-12-04 12:32:53 +00:00
Michael Roth
01b1e3ca0e efi/unaccepted: Fix off-by-one when checking for overlapping ranges
When a task needs to accept memory it will scan the accepting_list
to see if any ranges already being processed by other tasks overlap
with its range. Due to an off-by-one in the range comparisons, a task
might falsely determine that an overlapping range is being accepted,
leading to an unnecessary delay before it begins processing the range.

Fix the off-by-one in the range comparison to prevent this and slightly
improve performance.

Fixes: 50e782a86c ("efi/unaccepted: Fix soft lockups caused by parallel memory acceptance")
Link: https://lore.kernel.org/linux-mm/20231101004523.vseyi5bezgfaht5i@amd.com/T/#me2eceb9906fcae5fe958b3fe88e41f920f8335b6
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2023-11-28 12:49:21 +01:00
Linus Torvalds
372bed5fbb vhost,virtio,vdpa,firmware: bugfixes
bugfixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio fixes from Michael Tsirkin:
 "Bugfixes all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  vhost-vdpa: fix use after free in vhost_vdpa_probe()
  virtio_pci: Switch away from deprecated irq_set_affinity_hint
  riscv, qemu_fw_cfg: Add support for RISC-V architecture
  vdpa_sim_blk: allocate the buffer zeroed
  virtio_pci: move structure to a header
2023-11-16 07:39:37 -05:00
Lorenzo Pieralisi
f1ed48ef97 firmware: arm_ffa: Fix ffa_notification_info_get() IDs handling
To parse the retrieved ID lists appropriately in
ffa_notification_info_get() the ids_processed variable should not
be pre-incremented - we are dropping an identifier at the
beginning of the list.

Fix it by using the post-increment operator to increment the number
of processed IDs.

Fixes: 3522be48d8 ("firmware: arm_ffa: Implement the NOTIFICATION_INFO_GET interface")
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20231108111549.155974-1-lpieralisi@kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2023-11-13 11:51:26 +00:00
Sudeep Holla
05857a1eb7 firmware: arm_ffa: Fix the size of the allocation in ffa_partitions_cleanup()
Arry of pointer to struct ffa_dev_part_info needs to be allocated to
fetch the pointers stored in XArray. However, currently we allocate the
entire structure instead of just pointers.

Fix the allocation size. This will also eliminate the below Smatch
istatic checker warning:

   |   drivers/firmware/arm_ffa/driver.c:1251 ffa_partitions_cleanup()
   |   warn: double check that we're allocating correct size: 8 vs 88

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/0e8ddbca-d9da-4a3b-aae3-328993b62ba2@moroto.mountain
Link: https://lore.kernel.org/r/20231031141335.3077026-1-sudeep.holla@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2023-11-13 11:51:26 +00:00
Sudeep Holla
6d67cbe67a firmware: arm_ffa: Fix FFA notifications cleanup path
We allow the FF-A to be initialised successfully even when notification
fails. When the notification fails, ffa_notifications_cleanup() gets
called on the failure path.

However, the driver information about the notifications like the irq,
workqueues and cpu hotplug state for enabling and disabling percpu IRQ
are not cleared. This may result in unexpected behaviour during CPU
hotplug because of percpu IRQ being enabled and disabled or during the
driver removal when ffa_notifications_cleanup() gets executed again.

Fix the FFA notifications cleanup path by clearing all the notification
related driver information.

Link: https://lore.kernel.org/r/20231024-ffa-notification-fixes-v1-4-d552c0ec260d@arm.com
Tested-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2023-11-13 11:51:26 +00:00
Sudeep Holla
f4bfcaee34 firmware: arm_ffa: Add checks for the notification enabled state
We need to check if the FF-A notifications are enabled or not in all
the notification operations that are accessible for the FF-A device
from the FF-A driver. This helps to avoid making calls to the FF-A
firmware even if the notification setup has failed.

Link: https://lore.kernel.org/r/20231024-ffa-notification-fixes-v1-3-d552c0ec260d@arm.com
Tested-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2023-11-13 11:51:26 +00:00
Sudeep Holla
6f47023f7a firmware: arm_ffa: Setup the partitions after the notification initialisation
Currently the notifications are setup of the partitions are probed and
FF-A devices are added on the FF-A bus. The FF-A driver probe can be
called even before the FF-A notification setup happens which is wrong
and may result in failure or misbehaviour in the FF-A partition device
probe.

In order to ensure the FF-A notifications are setup before the FF-A
devices are probed, let us move the FF-A partition setup after the
completion of FF-A notification setup.

Link: https://lore.kernel.org/r/20231024-ffa-notification-fixes-v1-2-d552c0ec260d@arm.com
Tested-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2023-11-13 11:51:26 +00:00
Sudeep Holla
95520fc077 firmware: arm_ffa: Allow FF-A initialisation even when notification fails
FF-A notifications are optional feature in the specification. Currently
we allow to continue if the firmware reports no support for the
notifications. However, we fail to continue and complete the FF-A
driver initialisation if the notification setup fails for any reason.

Let us allow the FF-A driver to complete the initialisation even if the
notification fails to setup. We will just flag the error and continue
to provide other features in the driver.

Link: https://lore.kernel.org/r/20231024-ffa-notification-fixes-v1-1-d552c0ec260d@arm.com
Tested-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2023-11-13 11:51:26 +00:00
Linus Torvalds
56d428ae1c RISC-V Patches for the 6.7 Merge Window, Part 2
* Support for handling misaligned accesses in S-mode.
 * Probing for misaligned access support is now properly cached and
   handled in parallel.
 * PTDUMP now reflects the SW reserved bits, as well as the PBMT and
   NAPOT extensions.
 * Performance improvements for TLB flushing.
 * Support for many new relocations in the module loader.
 * Various bug fixes and cleanups.
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Merge tag 'riscv-for-linus-6.7-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:

 - Support for handling misaligned accesses in S-mode

 - Probing for misaligned access support is now properly cached and
   handled in parallel

 - PTDUMP now reflects the SW reserved bits, as well as the PBMT and
   NAPOT extensions

 - Performance improvements for TLB flushing

 - Support for many new relocations in the module loader

 - Various bug fixes and cleanups

* tag 'riscv-for-linus-6.7-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits)
  riscv: Optimize bitops with Zbb extension
  riscv: Rearrange hwcap.h and cpufeature.h
  drivers: perf: Do not broadcast to other cpus when starting a counter
  drivers: perf: Check find_first_bit() return value
  of: property: Add fw_devlink support for msi-parent
  RISC-V: Don't fail in riscv_of_parent_hartid() for disabled HARTs
  riscv: Fix set_memory_XX() and set_direct_map_XX() by splitting huge linear mappings
  riscv: Don't use PGD entries for the linear mapping
  RISC-V: Probe misaligned access speed in parallel
  RISC-V: Remove __init on unaligned_emulation_finish()
  RISC-V: Show accurate per-hart isa in /proc/cpuinfo
  RISC-V: Don't rely on positional structure initialization
  riscv: Add tests for riscv module loading
  riscv: Add remaining module relocations
  riscv: Avoid unaligned access when relocating modules
  riscv: split cache ops out of dma-noncoherent.c
  riscv: Improve flush_tlb_kernel_range()
  riscv: Make __flush_tlb_range() loop over pte instead of flushing the whole tlb
  riscv: Improve flush_tlb_range() for hugetlb pages
  riscv: Improve tlb_flush()
  ...
2023-11-10 09:23:17 -08:00
Xiao Wang
457926b253
riscv: Optimize bitops with Zbb extension
This patch leverages the alternative mechanism to dynamically optimize
bitops (including __ffs, __fls, ffs, fls) with Zbb instructions. When
Zbb ext is not supported by the runtime CPU, legacy implementation is
used. If Zbb is supported, then the optimized variants will be selected
via alternative patching.

The legacy bitops support is taken from the generic C implementation as
fallback.

If the parameter is a build-time constant, we leverage compiler builtin to
calculate the result directly, this approach is inspired by x86 bitops
implementation.

EFI stub runs before the kernel, so alternative mechanism should not be
used there, this patch introduces a macro NO_ALTERNATIVE for this purpose.

Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20231031064553.2319688-3-xiao.w.wang@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-11-09 10:15:52 -08:00
Linus Torvalds
1f24458a10 TTY/Serial changes for 6.7-rc1
Here is the big set of tty/serial driver changes for 6.7-rc1.  Included
 in here are:
   - console/vgacon cleanups and removals from Arnd
   - tty core and n_tty cleanups from Jiri
   - lots of 8250 driver updates and cleanups
   - sc16is7xx serial driver updates
   - dt binding updates
   - first set of port lock wrapers from Thomas for the printk fixes
     coming in future releases
   - other small serial and tty core cleanups and updates
 
 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-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty and serial updates from Greg KH:
 "Here is the big set of tty/serial driver changes for 6.7-rc1. Included
  in here are:

   - console/vgacon cleanups and removals from Arnd

   - tty core and n_tty cleanups from Jiri

   - lots of 8250 driver updates and cleanups

   - sc16is7xx serial driver updates

   - dt binding updates

   - first set of port lock wrapers from Thomas for the printk fixes
     coming in future releases

   - other small serial and tty core cleanups and updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (193 commits)
  serdev: Replace custom code with device_match_acpi_handle()
  serdev: Simplify devm_serdev_device_open() function
  serdev: Make use of device_set_node()
  tty: n_gsm: add copyright Siemens Mobility GmbH
  tty: n_gsm: fix race condition in status line change on dead connections
  serial: core: Fix runtime PM handling for pending tx
  vgacon: fix mips/sibyte build regression
  dt-bindings: serial: drop unsupported samsung bindings
  tty: serial: samsung: drop earlycon support for unsupported platforms
  tty: 8250: Add note for PX-835
  tty: 8250: Fix IS-200 PCI ID comment
  tty: 8250: Add Brainboxes Oxford Semiconductor-based quirks
  tty: 8250: Add support for Intashield IX cards
  tty: 8250: Add support for additional Brainboxes PX cards
  tty: 8250: Fix up PX-803/PX-857
  tty: 8250: Fix port count of PX-257
  tty: 8250: Add support for Intashield IS-100
  tty: 8250: Add support for Brainboxes UP cards
  tty: 8250: Add support for additional Brainboxes UC cards
  tty: 8250: Remove UC-257 and UC-431
  ...
2023-11-03 15:44:25 -10:00
Linus Torvalds
d99b91a99b Char/Misc and other driver changes for 6.7-rc1
Here is the big set of char/misc and other small driver subsystem
 changes for 6.7-rc1.  Included in here are:
   - IIO subsystem driver updates and additions (largest part of this
     pull request)
   - FPGA subsystem driver updates
   - Counter subsystem driver updates
   - ICC subsystem driver updates
   - extcon subsystem driver updates
   - mei driver updates and additions
   - nvmem subsystem driver updates and additions
   - comedi subsystem dependency fixes
   - parport driver fixups
   - cdx subsystem driver and core updates
   - splice support for /dev/zero and /dev/full
   - other smaller driver cleanups
 
 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 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  changes for 6.7-rc1. Included in here are:

   - IIO subsystem driver updates and additions (largest part of this
     pull request)

   - FPGA subsystem driver updates

   - Counter subsystem driver updates

   - ICC subsystem driver updates

   - extcon subsystem driver updates

   - mei driver updates and additions

   - nvmem subsystem driver updates and additions

   - comedi subsystem dependency fixes

   - parport driver fixups

   - cdx subsystem driver and core updates

   - splice support for /dev/zero and /dev/full

   - other smaller driver cleanups

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (326 commits)
  cdx: add sysfs for subsystem, class and revision
  cdx: add sysfs for bus reset
  cdx: add support for bus enable and disable
  cdx: Register cdx bus as a device on cdx subsystem
  cdx: Create symbol namespaces for cdx subsystem
  cdx: Introduce lock to protect controller ops
  cdx: Remove cdx controller list from cdx bus system
  dts: ti: k3-am625-beagleplay: Add beaglecc1352
  greybus: Add BeaglePlay Linux Driver
  dt-bindings: net: Add ti,cc1352p7
  dt-bindings: eeprom: at24: allow NVMEM cells based on old syntax
  dt-bindings: nvmem: SID: allow NVMEM cells based on old syntax
  Revert "nvmem: add new config option"
  MAINTAINERS: coresight: Add missing Coresight files
  misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support
  firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition
  uacce: make uacce_class constant
  ocxl: make ocxl_class constant
  cxl: make cxl_class constant
  misc: phantom: make phantom_class constant
  ...
2023-11-03 14:51:08 -10:00
Linus Torvalds
ecae0bd517 Many singleton patches against the MM code. The patch series which are
included in this merge do the following:
 
 - Kemeng Shi has contributed some compation maintenance work in the
   series "Fixes and cleanups to compaction".
 
 - Joel Fernandes has a patchset ("Optimize mremap during mutual
   alignment within PMD") which fixes an obscure issue with mremap()'s
   pagetable handling during a subsequent exec(), based upon an
   implementation which Linus suggested.
 
 - More DAMON/DAMOS maintenance and feature work from SeongJae Park i the
   following patch series:
 
 	mm/damon: misc fixups for documents, comments and its tracepoint
 	mm/damon: add a tracepoint for damos apply target regions
 	mm/damon: provide pseudo-moving sum based access rate
 	mm/damon: implement DAMOS apply intervals
 	mm/damon/core-test: Fix memory leaks in core-test
 	mm/damon/sysfs-schemes: Do DAMOS tried regions update for only one apply interval
 
 - In the series "Do not try to access unaccepted memory" Adrian Hunter
   provides some fixups for the recently-added "unaccepted memory' feature.
   To increase the feature's checking coverage.  "Plug a few gaps where
   RAM is exposed without checking if it is unaccepted memory".
 
 - In the series "cleanups for lockless slab shrink" Qi Zheng has done
   some maintenance work which is preparation for the lockless slab
   shrinking code.
 
 - Qi Zheng has redone the earlier (and reverted) attempt to make slab
   shrinking lockless in the series "use refcount+RCU method to implement
   lockless slab shrink".
 
 - David Hildenbrand contributes some maintenance work for the rmap code
   in the series "Anon rmap cleanups".
 
 - Kefeng Wang does more folio conversions and some maintenance work in
   the migration code.  Series "mm: migrate: more folio conversion and
   unification".
 
 - Matthew Wilcox has fixed an issue in the buffer_head code which was
   causing long stalls under some heavy memory/IO loads.  Some cleanups
   were added on the way.  Series "Add and use bdev_getblk()".
 
 - In the series "Use nth_page() in place of direct struct page
   manipulation" Zi Yan has fixed a potential issue with the direct
   manipulation of hugetlb page frames.
 
 - In the series "mm: hugetlb: Skip initialization of gigantic tail
   struct pages if freed by HVO" has improved our handling of gigantic
   pages in the hugetlb vmmemmep optimizaton code.  This provides
   significant boot time improvements when significant amounts of gigantic
   pages are in use.
 
 - Matthew Wilcox has sent the series "Small hugetlb cleanups" - code
   rationalization and folio conversions in the hugetlb code.
 
 - Yin Fengwei has improved mlock()'s handling of large folios in the
   series "support large folio for mlock"
 
 - In the series "Expose swapcache stat for memcg v1" Liu Shixin has
   added statistics for memcg v1 users which are available (and useful)
   under memcg v2.
 
 - Florent Revest has enhanced the MDWE (Memory-Deny-Write-Executable)
   prctl so that userspace may direct the kernel to not automatically
   propagate the denial to child processes.  The series is named "MDWE
   without inheritance".
 
 - Kefeng Wang has provided the series "mm: convert numa balancing
   functions to use a folio" which does what it says.
 
 - In the series "mm/ksm: add fork-exec support for prctl" Stefan Roesch
   makes is possible for a process to propagate KSM treatment across
   exec().
 
 - Huang Ying has enhanced memory tiering's calculation of memory
   distances.  This is used to permit the dax/kmem driver to use "high
   bandwidth memory" in addition to Optane Data Center Persistent Memory
   Modules (DCPMM).  The series is named "memory tiering: calculate
   abstract distance based on ACPI HMAT"
 
 - In the series "Smart scanning mode for KSM" Stefan Roesch has
   optimized KSM by teaching it to retain and use some historical
   information from previous scans.
 
 - Yosry Ahmed has fixed some inconsistencies in memcg statistics in the
   series "mm: memcg: fix tracking of pending stats updates values".
 
 - In the series "Implement IOCTL to get and optionally clear info about
   PTEs" Peter Xu has added an ioctl to /proc/<pid>/pagemap which permits
   us to atomically read-then-clear page softdirty state.  This is mainly
   used by CRIU.
 
 - Hugh Dickins contributed the series "shmem,tmpfs: general maintenance"
   - a bunch of relatively minor maintenance tweaks to this code.
 
 - Matthew Wilcox has increased the use of the VMA lock over file-backed
   page faults in the series "Handle more faults under the VMA lock".  Some
   rationalizations of the fault path became possible as a result.
 
 - In the series "mm/rmap: convert page_move_anon_rmap() to
   folio_move_anon_rmap()" David Hildenbrand has implemented some cleanups
   and folio conversions.
 
 - In the series "various improvements to the GUP interface" Lorenzo
   Stoakes has simplified and improved the GUP interface with an eye to
   providing groundwork for future improvements.
 
 - Andrey Konovalov has sent along the series "kasan: assorted fixes and
   improvements" which does those things.
 
 - Some page allocator maintenance work from Kemeng Shi in the series
   "Two minor cleanups to break_down_buddy_pages".
 
 - In thes series "New selftest for mm" Breno Leitao has developed
   another MM self test which tickles a race we had between madvise() and
   page faults.
 
 - In the series "Add folio_end_read" Matthew Wilcox provides cleanups
   and an optimization to the core pagecache code.
 
 - Nhat Pham has added memcg accounting for hugetlb memory in the series
   "hugetlb memcg accounting".
 
 - Cleanups and rationalizations to the pagemap code from Lorenzo
   Stoakes, in the series "Abstract vma_merge() and split_vma()".
 
 - Audra Mitchell has fixed issues in the procfs page_owner code's new
   timestamping feature which was causing some misbehaviours.  In the
   series "Fix page_owner's use of free timestamps".
 
 - Lorenzo Stoakes has fixed the handling of new mappings of sealed files
   in the series "permit write-sealed memfd read-only shared mappings".
 
 - Mike Kravetz has optimized the hugetlb vmemmap optimization in the
   series "Batch hugetlb vmemmap modification operations".
 
 - Some buffer_head folio conversions and cleanups from Matthew Wilcox in
   the series "Finish the create_empty_buffers() transition".
 
 - As a page allocator performance optimization Huang Ying has added
   automatic tuning to the allocator's per-cpu-pages feature, in the series
   "mm: PCP high auto-tuning".
 
 - Roman Gushchin has contributed the patchset "mm: improve performance
   of accounted kernel memory allocations" which improves their performance
   by ~30% as measured by a micro-benchmark.
 
 - folio conversions from Kefeng Wang in the series "mm: convert page
   cpupid functions to folios".
 
 - Some kmemleak fixups in Liu Shixin's series "Some bugfix about
   kmemleak".
 
 - Qi Zheng has improved our handling of memoryless nodes by keeping them
   off the allocation fallback list.  This is done in the series "handle
   memoryless nodes more appropriately".
 
 - khugepaged conversions from Vishal Moola in the series "Some
   khugepaged folio conversions".
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Merge tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:
 "Many singleton patches against the MM code. The patch series which are
  included in this merge do the following:

   - Kemeng Shi has contributed some compation maintenance work in the
     series 'Fixes and cleanups to compaction'

   - Joel Fernandes has a patchset ('Optimize mremap during mutual
     alignment within PMD') which fixes an obscure issue with mremap()'s
     pagetable handling during a subsequent exec(), based upon an
     implementation which Linus suggested

   - More DAMON/DAMOS maintenance and feature work from SeongJae Park i
     the following patch series:

	mm/damon: misc fixups for documents, comments and its tracepoint
	mm/damon: add a tracepoint for damos apply target regions
	mm/damon: provide pseudo-moving sum based access rate
	mm/damon: implement DAMOS apply intervals
	mm/damon/core-test: Fix memory leaks in core-test
	mm/damon/sysfs-schemes: Do DAMOS tried regions update for only one apply interval

   - In the series 'Do not try to access unaccepted memory' Adrian
     Hunter provides some fixups for the recently-added 'unaccepted
     memory' feature. To increase the feature's checking coverage. 'Plug
     a few gaps where RAM is exposed without checking if it is
     unaccepted memory'

   - In the series 'cleanups for lockless slab shrink' Qi Zheng has done
     some maintenance work which is preparation for the lockless slab
     shrinking code

   - Qi Zheng has redone the earlier (and reverted) attempt to make slab
     shrinking lockless in the series 'use refcount+RCU method to
     implement lockless slab shrink'

   - David Hildenbrand contributes some maintenance work for the rmap
     code in the series 'Anon rmap cleanups'

   - Kefeng Wang does more folio conversions and some maintenance work
     in the migration code. Series 'mm: migrate: more folio conversion
     and unification'

   - Matthew Wilcox has fixed an issue in the buffer_head code which was
     causing long stalls under some heavy memory/IO loads. Some cleanups
     were added on the way. Series 'Add and use bdev_getblk()'

   - In the series 'Use nth_page() in place of direct struct page
     manipulation' Zi Yan has fixed a potential issue with the direct
     manipulation of hugetlb page frames

   - In the series 'mm: hugetlb: Skip initialization of gigantic tail
     struct pages if freed by HVO' has improved our handling of gigantic
     pages in the hugetlb vmmemmep optimizaton code. This provides
     significant boot time improvements when significant amounts of
     gigantic pages are in use

   - Matthew Wilcox has sent the series 'Small hugetlb cleanups' - code
     rationalization and folio conversions in the hugetlb code

   - Yin Fengwei has improved mlock()'s handling of large folios in the
     series 'support large folio for mlock'

   - In the series 'Expose swapcache stat for memcg v1' Liu Shixin has
     added statistics for memcg v1 users which are available (and
     useful) under memcg v2

   - Florent Revest has enhanced the MDWE (Memory-Deny-Write-Executable)
     prctl so that userspace may direct the kernel to not automatically
     propagate the denial to child processes. The series is named 'MDWE
     without inheritance'

   - Kefeng Wang has provided the series 'mm: convert numa balancing
     functions to use a folio' which does what it says

   - In the series 'mm/ksm: add fork-exec support for prctl' Stefan
     Roesch makes is possible for a process to propagate KSM treatment
     across exec()

   - Huang Ying has enhanced memory tiering's calculation of memory
     distances. This is used to permit the dax/kmem driver to use 'high
     bandwidth memory' in addition to Optane Data Center Persistent
     Memory Modules (DCPMM). The series is named 'memory tiering:
     calculate abstract distance based on ACPI HMAT'

   - In the series 'Smart scanning mode for KSM' Stefan Roesch has
     optimized KSM by teaching it to retain and use some historical
     information from previous scans

   - Yosry Ahmed has fixed some inconsistencies in memcg statistics in
     the series 'mm: memcg: fix tracking of pending stats updates
     values'

   - In the series 'Implement IOCTL to get and optionally clear info
     about PTEs' Peter Xu has added an ioctl to /proc/<pid>/pagemap
     which permits us to atomically read-then-clear page softdirty
     state. This is mainly used by CRIU

   - Hugh Dickins contributed the series 'shmem,tmpfs: general
     maintenance', a bunch of relatively minor maintenance tweaks to
     this code

   - Matthew Wilcox has increased the use of the VMA lock over
     file-backed page faults in the series 'Handle more faults under the
     VMA lock'. Some rationalizations of the fault path became possible
     as a result

   - In the series 'mm/rmap: convert page_move_anon_rmap() to
     folio_move_anon_rmap()' David Hildenbrand has implemented some
     cleanups and folio conversions

   - In the series 'various improvements to the GUP interface' Lorenzo
     Stoakes has simplified and improved the GUP interface with an eye
     to providing groundwork for future improvements

   - Andrey Konovalov has sent along the series 'kasan: assorted fixes
     and improvements' which does those things

   - Some page allocator maintenance work from Kemeng Shi in the series
     'Two minor cleanups to break_down_buddy_pages'

   - In thes series 'New selftest for mm' Breno Leitao has developed
     another MM self test which tickles a race we had between madvise()
     and page faults

   - In the series 'Add folio_end_read' Matthew Wilcox provides cleanups
     and an optimization to the core pagecache code

   - Nhat Pham has added memcg accounting for hugetlb memory in the
     series 'hugetlb memcg accounting'

   - Cleanups and rationalizations to the pagemap code from Lorenzo
     Stoakes, in the series 'Abstract vma_merge() and split_vma()'

   - Audra Mitchell has fixed issues in the procfs page_owner code's new
     timestamping feature which was causing some misbehaviours. In the
     series 'Fix page_owner's use of free timestamps'

   - Lorenzo Stoakes has fixed the handling of new mappings of sealed
     files in the series 'permit write-sealed memfd read-only shared
     mappings'

   - Mike Kravetz has optimized the hugetlb vmemmap optimization in the
     series 'Batch hugetlb vmemmap modification operations'

   - Some buffer_head folio conversions and cleanups from Matthew Wilcox
     in the series 'Finish the create_empty_buffers() transition'

   - As a page allocator performance optimization Huang Ying has added
     automatic tuning to the allocator's per-cpu-pages feature, in the
     series 'mm: PCP high auto-tuning'

   - Roman Gushchin has contributed the patchset 'mm: improve
     performance of accounted kernel memory allocations' which improves
     their performance by ~30% as measured by a micro-benchmark

   - folio conversions from Kefeng Wang in the series 'mm: convert page
     cpupid functions to folios'

   - Some kmemleak fixups in Liu Shixin's series 'Some bugfix about
     kmemleak'

   - Qi Zheng has improved our handling of memoryless nodes by keeping
     them off the allocation fallback list. This is done in the series
     'handle memoryless nodes more appropriately'

   - khugepaged conversions from Vishal Moola in the series 'Some
     khugepaged folio conversions'"

[ bcachefs conflicts with the dynamically allocated shrinkers have been
  resolved as per Stephen Rothwell in

     https://lore.kernel.org/all/20230913093553.4290421e@canb.auug.org.au/

  with help from Qi Zheng.

  The clone3 test filtering conflict was half-arsed by yours truly ]

* tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (406 commits)
  mm/damon/sysfs: update monitoring target regions for online input commit
  mm/damon/sysfs: remove requested targets when online-commit inputs
  selftests: add a sanity check for zswap
  Documentation: maple_tree: fix word spelling error
  mm/vmalloc: fix the unchecked dereference warning in vread_iter()
  zswap: export compression failure stats
  Documentation: ubsan: drop "the" from article title
  mempolicy: migration attempt to match interleave nodes
  mempolicy: mmap_lock is not needed while migrating folios
  mempolicy: alloc_pages_mpol() for NUMA policy without vma
  mm: add page_rmappable_folio() wrapper
  mempolicy: remove confusing MPOL_MF_LAZY dead code
  mempolicy: mpol_shared_policy_init() without pseudo-vma
  mempolicy trivia: use pgoff_t in shared mempolicy tree
  mempolicy trivia: slightly more consistent naming
  mempolicy trivia: delete those ancient pr_debug()s
  mempolicy: fix migrate_pages(2) syscall return nr_failed
  kernfs: drop shared NUMA mempolicy hooks
  hugetlbfs: drop shared NUMA mempolicy pretence
  mm/damon/sysfs-test: add a unit test for damon_sysfs_set_targets()
  ...
2023-11-02 19:38:47 -10:00
Linus Torvalds
1e0c505e13 asm-generic updates for v6.7
The ia64 architecture gets its well-earned retirement as planned,
 now that there is one last (mostly) working release that will
 be maintained as an LTS kernel.
 
 The architecture specific system call tables are updated for
 the added map_shadow_stack() syscall and to remove references
 to the long-gone sys_lookup_dcookie() syscall.
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Merge tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull ia64 removal and asm-generic updates from Arnd Bergmann:

 - The ia64 architecture gets its well-earned retirement as planned,
   now that there is one last (mostly) working release that will be
   maintained as an LTS kernel.

 - The architecture specific system call tables are updated for the
   added map_shadow_stack() syscall and to remove references to the
   long-gone sys_lookup_dcookie() syscall.

* tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  hexagon: Remove unusable symbols from the ptrace.h uapi
  asm-generic: Fix spelling of architecture
  arch: Reserve map_shadow_stack() syscall number for all architectures
  syscalls: Cleanup references to sys_lookup_dcookie()
  Documentation: Drop or replace remaining mentions of IA64
  lib/raid6: Drop IA64 support
  Documentation: Drop IA64 from feature descriptions
  kernel: Drop IA64 support from sig_fault handlers
  arch: Remove Itanium (IA-64) architecture
2023-11-01 15:28:33 -10:00
Linus Torvalds
385903a7ec SoC driver updates for 6.7
The highlights for the driver support this time are
 
  - Qualcomm platforms gain support for the Qualcomm Secure Execution
    Environment firmware interface to access EFI variables on certain
    devices, and new features for multiple platform and firmware drivers.
 
  - Arm FF-A firmware support gains support for v1.1 specification features,
    in particular notification and memory transaction descriptor changes.
 
  - SCMI firmware support now support v3.2 features for clock and DVFS
    configuration and a new transport for Qualcomm platforms.
 
  - Minor cleanups and bugfixes are added to pretty much all the active
    platforms: qualcomm, broadcom, dove, ti-k3, rockchip, sifive, amlogic,
    atmel, tegra, aspeed, vexpress, mediatek, samsung and more.
    In particular, this contains portions of the treewide conversion to
    use __counted_by annotations and the device_get_match_data helper.
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Merge tag 'soc-drivers-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "The highlights for the driver support this time are

   - Qualcomm platforms gain support for the Qualcomm Secure Execution
     Environment firmware interface to access EFI variables on certain
     devices, and new features for multiple platform and firmware
     drivers.

   - Arm FF-A firmware support gains support for v1.1 specification
     features, in particular notification and memory transaction
     descriptor changes.

   - SCMI firmware support now support v3.2 features for clock and DVFS
     configuration and a new transport for Qualcomm platforms.

   - Minor cleanups and bugfixes are added to pretty much all the active
     platforms: qualcomm, broadcom, dove, ti-k3, rockchip, sifive,
     amlogic, atmel, tegra, aspeed, vexpress, mediatek, samsung and
     more.

     In particular, this contains portions of the treewide conversion to
     use __counted_by annotations and the device_get_match_data helper"

* tag 'soc-drivers-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (156 commits)
  soc: qcom: pmic_glink_altmode: Print return value on error
  firmware: qcom: scm: remove unneeded 'extern' specifiers
  firmware: qcom: scm: add a missing forward declaration for struct device
  firmware: qcom: move Qualcomm code into its own directory
  soc: samsung: exynos-chipid: Convert to platform remove callback returning void
  soc: qcom: apr: Add __counted_by for struct apr_rx_buf and use struct_size()
  soc: qcom: pmic_glink: fix connector type to be DisplayPort
  soc: ti: k3-socinfo: Avoid overriding return value
  soc: ti: k3-socinfo: Fix typo in bitfield documentation
  soc: ti: knav_qmss_queue: Use device_get_match_data()
  firmware: ti_sci: Use device_get_match_data()
  firmware: qcom: qseecom: add missing include guards
  soc/pxa: ssp: Convert to platform remove callback returning void
  soc/mediatek: mtk-mmsys: Convert to platform remove callback returning void
  soc/mediatek: mtk-devapc: Convert to platform remove callback returning void
  soc/loongson: loongson2_guts: Convert to platform remove callback returning void
  soc/litex: litex_soc_ctrl: Convert to platform remove callback returning void
  soc/ixp4xx: ixp4xx-qmgr: Convert to platform remove callback returning void
  soc/ixp4xx: ixp4xx-npe: Convert to platform remove callback returning void
  soc/hisilicon: kunpeng_hccs: Convert to platform remove callback returning void
  ...
2023-11-01 14:46:51 -10:00
Linus Torvalds
3c86a44d62 - Move Kconfig files into the pmdomain subsystem
- Drop use of genpd's redundant ->opp_to_performance_state() callback
  - amlogic: Add support for the T7 power-domains controller
  - amlogic: Fix mask for the second NNA mem power-domain
  - bcm: Fixup ASB register read and comparison for bcm2835-power
  - imx: Fix device link problem for consumers of the pgc power-domain
  - mediatek: Add support for the MT8365 power domains
  - qcom: Add support for the rpmhpds for SC8380XP power-domains
  - qcom: Add support for the rpmhpds for SM8650 power-domains
  - qcom: Add support for the rpmhpd clocks for SM7150
  - qcom: Add support for the rpmpds for MSM8917 (families) power-domains
  - starfive: Add support for the JH7110 AON PMU
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Merge tag 'pmdomain-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain updates from Ulf Hansson:

 - Move Kconfig files into the pmdomain subsystem

 - Drop use of genpd's redundant ->opp_to_performance_state() callback

 - amlogic:
    - Add support for the T7 power-domains controller
    - Fix mask for the second NNA mem power-domain

 - bcm: Fixup ASB register read and comparison for bcm2835-power

 - imx: Fix device link problem for consumers of the pgc power-domain

 - mediatek: Add support for the MT8365 power domains

 - qcom:
    - Add support for the rpmhpds for SC8380XP power-domains
    - Add support for the rpmhpds for SM8650 power-domains
    - Add support for the rpmhpd clocks for SM7150
    - Add support for the rpmpds for MSM8917 (families) power-domains

 - starfive: Add support for the JH7110 AON PMU

* tag 'pmdomain-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (56 commits)
  pmdomain: amlogic: Fix mask for the second NNA mem PD domain
  pmdomain: qcom: rpmhpd: Add SC8380XP power domains
  pmdomain: qcom: rpmhpd: Add SM8650 RPMh Power Domains
  dt-bindings: power: rpmpd: Add SC8380XP support
  dt-bindings: power: qcom,rpmhpd: Add GMXC PD index
  dt-bindings: power: qcom,rpmpd: document the SM8650 RPMh Power Domains
  pmdomain: imx: Make imx pgc power domain also set the fwnode
  pmdomain: qcom: rpmpd: Add QM215 power domains
  pmdomain: qcom: rpmpd: Add MSM8917 power domains
  dt-bindings: power: rpmpd: Add MSM8917, MSM8937 and QM215
  pmdomain: bcm: bcm2835-power: check if the ASB register is equal to enable
  pmdomain: qcom: rpmhpd: Drop the ->opp_to_performance_state() callback
  pmdomain: qcom: rpmpd: Drop the ->opp_to_performance_state() callback
  pmdomain: qcom: cpr: Drop the ->opp_to_performance_state() callback
  pmdomain: Use device_get_match_data()
  pmdomain: ti: add missing of_node_put
  pmdomain: mediatek: Add support for MT8365
  pmdomain: mediatek: Add support for MTK_SCPD_STRICT_BUS_PROTECTION cap
  pmdomain: mediatek: Add support for WAY_EN operations
  pmdomain: mediatek: Unify configuration for infracfg and smi
  ...
2023-11-01 13:09:46 -10:00
Björn Töpel
f2de37a572 riscv, qemu_fw_cfg: Add support for RISC-V architecture
Qemu fw_cfg support was missing for RISC-V, which made it hard to do
proper vmcore dumps from qemu.

Add the missing RISC-V arch-defines.

You can now do vmcore dumps from qemu. Add "-device vmcoreinfo" to the
qemu command-line. From the qemu monitor:
  (qemu) dump-guest-memory vmcore

The vmcore can now be used, e.g., with the "crash" utility.

Acked-by: "Michael S. Tsirkin" <mst@redhat.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Clément Léger <cleger@rivosinc.com>
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Message-Id: <20231012102852.234442-1-bjorn@kernel.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-11-01 09:31:16 -04:00
Linus Torvalds
befaa609f4 hardening updates for v6.7-rc1
- Add LKDTM test for stuck CPUs (Mark Rutland)
 
 - Improve LKDTM selftest behavior under UBSan (Ricardo Cañuelo)
 
 - Refactor more 1-element arrays into flexible arrays (Gustavo A. R. Silva)
 
 - Analyze and replace strlcpy and strncpy uses (Justin Stitt, Azeem Shaikh)
 
 - Convert group_info.usage to refcount_t (Elena Reshetova)
 
 - Add __counted_by annotations (Kees Cook, Gustavo A. R. Silva)
 
 - Add Kconfig fragment for basic hardening options (Kees Cook, Lukas Bulwahn)
 
 - Fix randstruct GCC plugin performance mode to stay in groups (Kees Cook)
 
 - Fix strtomem() compile-time check for small sources (Kees Cook)
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Merge tag 'hardening-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening updates from Kees Cook:
 "One of the more voluminous set of changes is for adding the new
  __counted_by annotation[1] to gain run-time bounds checking of
  dynamically sized arrays with UBSan.

   - Add LKDTM test for stuck CPUs (Mark Rutland)

   - Improve LKDTM selftest behavior under UBSan (Ricardo Cañuelo)

   - Refactor more 1-element arrays into flexible arrays (Gustavo A. R.
     Silva)

   - Analyze and replace strlcpy and strncpy uses (Justin Stitt, Azeem
     Shaikh)

   - Convert group_info.usage to refcount_t (Elena Reshetova)

   - Add __counted_by annotations (Kees Cook, Gustavo A. R. Silva)

   - Add Kconfig fragment for basic hardening options (Kees Cook, Lukas
     Bulwahn)

   - Fix randstruct GCC plugin performance mode to stay in groups (Kees
     Cook)

   - Fix strtomem() compile-time check for small sources (Kees Cook)"

* tag 'hardening-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (56 commits)
  hwmon: (acpi_power_meter) replace open-coded kmemdup_nul
  reset: Annotate struct reset_control_array with __counted_by
  kexec: Annotate struct crash_mem with __counted_by
  virtio_console: Annotate struct port_buffer with __counted_by
  ima: Add __counted_by for struct modsig and use struct_size()
  MAINTAINERS: Include stackleak paths in hardening entry
  string: Adjust strtomem() logic to allow for smaller sources
  hardening: x86: drop reference to removed config AMD_IOMMU_V2
  randstruct: Fix gcc-plugin performance mode to stay in group
  mailbox: zynqmp: Annotate struct zynqmp_ipi_pdata with __counted_by
  drivers: thermal: tsens: Annotate struct tsens_priv with __counted_by
  irqchip/imx-intmux: Annotate struct intmux_data with __counted_by
  KVM: Annotate struct kvm_irq_routing_table with __counted_by
  virt: acrn: Annotate struct vm_memory_region_batch with __counted_by
  hwmon: Annotate struct gsc_hwmon_platform_data with __counted_by
  sparc: Annotate struct cpuinfo_tree with __counted_by
  isdn: kcapi: replace deprecated strncpy with strscpy_pad
  isdn: replace deprecated strncpy with strscpy
  NFS/flexfiles: Annotate struct nfs4_ff_layout_segment with __counted_by
  nfs41: Annotate struct nfs4_file_layout_dsaddr with __counted_by
  ...
2023-10-30 19:09:55 -10:00
Linus Torvalds
2b95bb0526 Changes to the x86 boot code in v6.7:
- Rework PE header generation, primarily to generate a modern, 4k aligned
    kernel image view with narrower W^X permissions.
 
  - Further refine init-lifetime annotations
 
  - Misc cleanups & fixes
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-boot-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 boot updates from Ingo Molnar:

 - Rework PE header generation, primarily to generate a modern, 4k
   aligned kernel image view with narrower W^X permissions.

 - Further refine init-lifetime annotations

 - Misc cleanups & fixes

* tag 'x86-boot-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
  x86/boot: efistub: Assign global boot_params variable
  x86/boot: Rename conflicting 'boot_params' pointer to 'boot_params_ptr'
  x86/head/64: Move the __head definition to <asm/init.h>
  x86/head/64: Add missing __head annotation to startup_64_load_idt()
  x86/head/64: Mark 'startup_gdt[]' and 'startup_gdt_descr' as __initdata
  x86/boot: Harmonize the style of array-type parameter for fixup_pointer() calls
  x86/boot: Fix incorrect startup_gdt_descr.size
  x86/boot: Compile boot code with -std=gnu11 too
  x86/boot: Increase section and file alignment to 4k/512
  x86/boot: Split off PE/COFF .data section
  x86/boot: Drop PE/COFF .reloc section
  x86/boot: Construct PE/COFF .text section from assembler
  x86/boot: Derive file size from _edata symbol
  x86/boot: Define setup size in linker script
  x86/boot: Set EFI handover offset directly in header asm
  x86/boot: Grab kernel_info offset from zoffset header directly
  x86/boot: Drop references to startup_64
  x86/boot: Drop redundant code setting the root device
  x86/boot: Omit compression buffer from PE/COFF image memory footprint
  x86/boot: Remove the 'bugger off' message
  ...
2023-10-30 14:11:57 -10:00
Rajan Vaja
79614953e8 firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition
As mentioned in Documentation/process/coding-style.rst:
In source files, separate functions with one blank line. If the function
is exported, the **EXPORT** macro for it should follow immediately after
the closing function brace line.

So inline with guideline move zynqmp_pm_feature export symbol after its
definition.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Link: https://lore.kernel.org/r/1698348238-2320426-1-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-27 13:16:31 +02:00
Linus Torvalds
3a568e3a96 ARM: SoC fixes for 6.7, part 3
A couple of platforms have some last-minute fixes for 6.7, in particular
 
  - riscv gets some fixes for noncoherent DMA on the renesas and thead
    platforms and dts fix for SPI on the visionfive 2 board
 
  - Qualcomm Snapdragon gets three dts fixes to address board specific
    regressions on the pmic and gpio nodes
 
  - Rockchip platforms get multiple dts fixes to address issues on
    the recent rk3399 platform as well as the older rk3128 platform
    that apparently regressed a while ago.
 
  - TI OMAP gets some trivial code and dts fixes and a regression fix
    for the omap1 ams-delta modem
 
  - NXP i.MX firmware has one fix for a use-after-free but in its
    error handling.
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Merge tag 'soc-fixes-6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A couple of platforms have some last-minute fixes, in particular:

   - riscv gets some fixes for noncoherent DMA on the renesas and thead
     platforms and dts fix for SPI on the visionfive 2 board

   - Qualcomm Snapdragon gets three dts fixes to address board specific
     regressions on the pmic and gpio nodes

   - Rockchip platforms get multiple dts fixes to address issues on the
     recent rk3399 platform as well as the older rk3128 platform that
     apparently regressed a while ago.

   - TI OMAP gets some trivial code and dts fixes and a regression fix
     for the omap1 ams-delta modem

   - NXP i.MX firmware has one fix for a use-after-free but in its error
     handling"

* tag 'soc-fixes-6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
  soc: renesas: ARCH_R9A07G043 depends on !RISCV_ISA_ZICBOM
  riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM and ERRATA_THEAD_PBMT
  riscv: RISCV_NONSTANDARD_CACHE_OPS shouldn't depend on RISCV_DMA_NONCOHERENT
  riscv: dts: thead: set dma-noncoherent to soc bus
  arm64: dts: rockchip: Fix i2s0 pin conflict on ROCK Pi 4 boards
  arm64: dts: rockchip: Add i2s0-2ch-bus-bclk-off pins to RK3399
  clk: ti: Fix missing omap5 mcbsp functional clock and aliases
  clk: ti: Fix missing omap4 mcbsp functional clock and aliases
  ARM: OMAP1: ams-delta: Fix MODEM initialization failure
  soc: renesas: Make ARCH_R9A07G043 depend on required options
  riscv: dts: starfive: visionfive 2: correct spi's ss pin
  firmware/imx-dsp: Fix use_after_free in imx_dsp_setup_channels()
  ARM: OMAP: timer32K: fix all kernel-doc warnings
  ARM: omap2: fix a debug printk
  ARM: dts: rockchip: Fix timer clocks for RK3128
  ARM: dts: rockchip: Add missing quirk for RK3128's dma engine
  ARM: dts: rockchip: Add missing arm timer interrupt for RK3128
  ARM: dts: rockchip: Fix i2c0 register address for RK3128
  arm64: dts: rockchip: set codec system-clock-fixed on px30-ringneck-haikou
  arm64: dts: rockchip: use codec as clock master on px30-ringneck-haikou
  ...
2023-10-26 08:17:26 -10:00
Arnd Bergmann
dfae947836 More Qualcomm driver updates for v6.7
The Qualcomm SMC an QSEECOM drivers are moved into a "qcom"
 subdirectory, to declutter the base directory. Missing include guards
 are added to the qseecom header file. Unneded extern specifiers are
 removed from the scm call wrappers.
 
 __counted_by is added to the apr_rx_buf structure, in the APR driver.
 
 Lastly in the pmic_glink driver the pmic_glink drm_bridge type is
 corrected to DisplayPort, over the incorrect "USB" value. The return
 values are added to error prints for the various typec set() calls.
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Merge tag 'qcom-drivers-for-6.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers

More Qualcomm driver updates for v6.7

The Qualcomm SMC an QSEECOM drivers are moved into a "qcom"
subdirectory, to declutter the base directory. Missing include guards
are added to the qseecom header file. Unneded extern specifiers are
removed from the scm call wrappers.

__counted_by is added to the apr_rx_buf structure, in the APR driver.

Lastly in the pmic_glink driver the pmic_glink drm_bridge type is
corrected to DisplayPort, over the incorrect "USB" value. The return
values are added to error prints for the various typec set() calls.

* tag 'qcom-drivers-for-6.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  soc: qcom: pmic_glink_altmode: Print return value on error
  firmware: qcom: scm: remove unneeded 'extern' specifiers
  firmware: qcom: scm: add a missing forward declaration for struct device
  firmware: qcom: move Qualcomm code into its own directory
  soc: qcom: apr: Add __counted_by for struct apr_rx_buf and use struct_size()
  soc: qcom: pmic_glink: fix connector type to be DisplayPort
  firmware: qcom: qseecom: add missing include guards

Link: https://lore.kernel.org/r/20231025201109.1016121-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-10-25 22:58:30 +02:00
Arnd Bergmann
759c2e043a This pull request contains Broadcom ARM/ARM64/MIPS SoCs drivers changes
for 6.7, please pull the following:
 
 - Kieran fixes the kdoc for devm_rpi_firmware_get
 - Peter updates the dependices of the brcmstb SoC driver and
   brcmstb_gisb drivers which are ARCH_BRCMSTB specific
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Merge tag 'arm-soc/for-6.7/drivers' of https://github.com/Broadcom/stblinux into soc/drivers

This pull request contains Broadcom ARM/ARM64/MIPS SoCs drivers changes
for 6.7, please pull the following:

- Kieran fixes the kdoc for devm_rpi_firmware_get
- Peter updates the dependices of the brcmstb SoC driver and
  brcmstb_gisb drivers which are ARCH_BRCMSTB specific

* tag 'arm-soc/for-6.7/drivers' of https://github.com/Broadcom/stblinux:
  bus: brcmstb_gisb: Depend on SoC specifics over generic arm
  soc: bcm: brcmstb: depend on ARCH_BRCMSTB over arm arches
  firmware: raspberrypi: Fix devm_rpi_firmware_get documentation

Link: https://lore.kernel.org/r/20231024155927.977263-2-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-10-25 22:57:04 +02:00
Arnd Bergmann
80957adc47 TI SoC driver updates for v6.7
- Generic fixups: Convert to platform remove callback returning void
 - ti_sci: Minor fixups and mark driver as non-removable
 - k3-socinfo: Documentation fixups, cosmetic fixups
 - knav_qmss_queue: Optimize with device_get_match_data
 
 Signed-off-by: Nishanth Menon <nm@ti.com>
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Merge tag 'ti-driver-soc-for-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers

TI SoC driver updates for v6.7

- Generic fixups: Convert to platform remove callback returning void
- ti_sci: Minor fixups and mark driver as non-removable
- k3-socinfo: Documentation fixups, cosmetic fixups
- knav_qmss_queue: Optimize with device_get_match_data

Signed-off-by: Nishanth Menon <nm@ti.com>

* tag 'ti-driver-soc-for-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
  soc: ti: k3-socinfo: Avoid overriding return value
  soc: ti: k3-socinfo: Fix typo in bitfield documentation
  soc: ti: knav_qmss_queue: Use device_get_match_data()
  firmware: ti_sci: Use device_get_match_data()
  soc/ti: wkup_m3_ipc: Convert to platform remove callback returning void
  soc/ti: smartreflex: Convert to platform remove callback returning void
  soc/ti: pruss: Convert to platform remove callback returning void
  soc/ti: pm33xx: Convert to platform remove callback returning void
  soc/ti: knav_qmss_queue: Convert to platform remove callback returning void
  soc/ti: knav_dma: Convert to platform remove callback returning void
  soc/ti: k3-ringacc: Convert to platform remove callback returning void
  firmware: ti_sci: Mark driver as non removable
  firmware: ti_sci: refactor deprecated strncpy
  firmware: ti_sci: Use list_for_each_entry() helper

Link: https://lore.kernel.org/r/20231018165226.33x5cjn5jmgnm3di@magnolia
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-10-25 15:26:47 +02:00
Linus Torvalds
70e65afc23 Final set of EFI tweaks for v6.6:
- don't try to print warnings to the console when it is no longer
   available
 - fix theoretical memory leak in SSDT override handling
 - make sure that the boot_params global variable is set before the KASLR
   code attempts to hash it for 'randomness'
 - avoid soft lockups in the memory acceptance code
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Merge tag 'efi-fixes-for-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fixes from Ard Biesheuvel:
 "The boot_params pointer fix uses a somewhat ugly extern struct
  declaration but this will be cleaned up the next cycle.

   - don't try to print warnings to the console when it is no longer
     available

   - fix theoretical memory leak in SSDT override handling

   - make sure that the boot_params global variable is set before the
     KASLR code attempts to hash it for 'randomness'

   - avoid soft lockups in the memory acceptance code"

* tag 'efi-fixes-for-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi/unaccepted: Fix soft lockups caused by parallel memory acceptance
  x86/boot: efistub: Assign global boot_params variable
  efi: fix memory leak in krealloc failure handling
  x86/efistub: Don't try to print after ExitBootService()
2023-10-22 07:05:28 -10:00
Bartosz Golaszewski
d79a27ea8e firmware: qcom: scm: remove unneeded 'extern' specifiers
'extern' specifiers do nothing for function declarations. Remove them
from the private qcom-scm header.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Link: https://lore.kernel.org/r/20231017092732.19983-4-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2023-10-22 09:14:54 -07:00
Bartosz Golaszewski
3294d01f7a firmware: qcom: scm: add a missing forward declaration for struct device
We reference struct device in the private scm header but we neither
include linux/device.h nor forward declare it. Fix it.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Link: https://lore.kernel.org/r/20231017092732.19983-3-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2023-10-22 09:14:54 -07:00
Bartosz Golaszewski
bdac188ec3 firmware: qcom: move Qualcomm code into its own directory
We're getting more and more qcom specific .c files in drivers/firmware/
and about to get even more. Create a separate directory for Qualcomm
firmware drivers and move existing sources in there.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Link: https://lore.kernel.org/r/20231017092732.19983-2-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2023-10-22 09:14:54 -07:00
Ard Biesheuvel
c03d21f05e Merge 3rd batch of EFI fixes into efi/urgent 2023-10-20 18:11:06 +02:00
Kirill A. Shutemov
50e782a86c efi/unaccepted: Fix soft lockups caused by parallel memory acceptance
Michael reported soft lockups on a system that has unaccepted memory.
This occurs when a user attempts to allocate and accept memory on
multiple CPUs simultaneously.

The root cause of the issue is that memory acceptance is serialized with
a spinlock, allowing only one CPU to accept memory at a time. The other
CPUs spin and wait for their turn, leading to starvation and soft lockup
reports.

To address this, the code has been modified to release the spinlock
while accepting memory. This allows for parallel memory acceptance on
multiple CPUs.

A newly introduced "accepting_list" keeps track of which memory is
currently being accepted. This is necessary to prevent parallel
acceptance of the same memory block. If a collision occurs, the lock is
released and the process is retried.

Such collisions should rarely occur. The main path for memory acceptance
is the page allocator, which accepts memory in MAX_ORDER chunks. As long
as MAX_ORDER is equal to or larger than the unit_size, collisions will
never occur because the caller fully owns the memory block being
accepted.

Aside from the page allocator, only memblock and deferered_free_range()
accept memory, but this only happens during boot.

The code has been tested with unit_size == 128MiB to trigger collisions
and validate the retry codepath.

Fixes: 2053bc57f3 ("efi: Add unaccepted memory support")
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reported-by: Michael Roth <michael.roth@amd.com
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Michael Roth <michael.roth@amd.com>
[ardb: drop unnecessary cpu_relax() call]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2023-10-20 18:10:06 +02:00
Arnd Bergmann
57e06f8c1f Qualcomm driver updates for v6.7
This introduces partial support for the Qualcomm Secure Execution
 Environment SCM interface, and uses this to implement EFI variable
 access on the Windows On Snapdragon devices (for now).
 
 The 32/64-bit calling convention detector of the SCM interface is
 updated to not choose 64-bit convention when Linux is 32-bit. The
 "extern" specifier is dropped from the interface include file.
 
 The LLCC driver gains support for carrying configuration for multiple
 different system/DDR configurations for a given platform, and selecting
 between them. Support for Q[DR]U1000 is added to the driver.
 
 All exported symbols are transitioned to EXPORT_SYMBOL_GPL().
 
 The platform_drivers in the Qualcomm SoC are transitioned to the
 void-returning remove_new implementation.
 
 The rmtfs memory driver gains support for leaving guard pages around the
 used area, to avoid issues if the allocation happens to be placed
 adjacent to another protected memory region.
 
 The socinfo driver gains knowledge about IPQ8174, QCM6490, SM7150P and
 various PMICs used together with SM8550.
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Merge tag 'qcom-drivers-for-6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers

Qualcomm driver updates for v6.7

This introduces partial support for the Qualcomm Secure Execution
Environment SCM interface, and uses this to implement EFI variable
access on the Windows On Snapdragon devices (for now).

The 32/64-bit calling convention detector of the SCM interface is
updated to not choose 64-bit convention when Linux is 32-bit. The
"extern" specifier is dropped from the interface include file.

The LLCC driver gains support for carrying configuration for multiple
different system/DDR configurations for a given platform, and selecting
between them. Support for Q[DR]U1000 is added to the driver.

All exported symbols are transitioned to EXPORT_SYMBOL_GPL().

The platform_drivers in the Qualcomm SoC are transitioned to the
void-returning remove_new implementation.

The rmtfs memory driver gains support for leaving guard pages around the
used area, to avoid issues if the allocation happens to be placed
adjacent to another protected memory region.

The socinfo driver gains knowledge about IPQ8174, QCM6490, SM7150P and
various PMICs used together with SM8550.

* tag 'qcom-drivers-for-6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (44 commits)
  soc: qcom: socinfo: Convert to platform remove callback returning void
  soc: qcom: smsm: Convert to platform remove callback returning void
  soc: qcom: smp2p: Convert to platform remove callback returning void
  soc: qcom: smem: Convert to platform remove callback returning void
  soc: qcom: rmtfs_mem: Convert to platform remove callback returning void
  soc: qcom: qcom_stats: Convert to platform remove callback returning void
  soc: qcom: qcom_gsbi: Convert to platform remove callback returning void
  soc: qcom: qcom_aoss: Convert to platform remove callback returning void
  soc: qcom: pmic_glink: Convert to platform remove callback returning void
  soc: qcom: ocmem: Convert to platform remove callback returning void
  soc: qcom: llcc-qcom: Convert to platform remove callback returning void
  soc: qcom: icc-bwmon: Convert to platform remove callback returning void
  firmware: qcom_scm: use 64-bit calling convention only when client is 64-bit
  soc: qcom: llcc: Handle a second device without data corruption
  soc: qcom: Switch to EXPORT_SYMBOL_GPL()
  soc: qcom: smem: Annotate struct qcom_smem with __counted_by
  soc: qcom: rmtfs: Support discarding guard pages
  dt-bindings: reserved-memory: rmtfs: Allow guard pages
  dt-bindings: firmware: qcom,scm: document IPQ5018 compatible
  firmware: qcom_scm: disable SDI if required
  ...

Link: https://lore.kernel.org/r/20231015204014.855672-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-10-18 17:18:02 +02:00
Ard Biesheuvel
50dcc2e0d6 x86/boot: efistub: Assign global boot_params variable
Now that the x86 EFI stub calls into some APIs exposed by the
decompressor (e.g., kaslr_get_random_long()), it is necessary to ensure
that the global boot_params variable is set correctly before doing so.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org
2023-10-18 12:03:04 +02:00
Arnd Bergmann
b8466fe82b efi: move screen_info into efi init code
After the vga console no longer relies on global screen_info, there are
only two remaining use cases:

 - on the x86 architecture, it is used for multiple boot methods
   (bzImage, EFI, Xen, kexec) to commucate the initial VGA or framebuffer
   settings to a number of device drivers.

 - on other architectures, it is only used as part of the EFI stub,
   and only for the three sysfb framebuffers (simpledrm, simplefb, efifb).

Remove the duplicate data structure definitions by moving it into the
efi-init.c file that sets it up initially for the EFI case, leaving x86
as an exception that retains its own definition for non-EFI boots.

The added #ifdefs here are optional, I added them to further limit the
reach of screen_info to configurations that have at least one of the
users enabled.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20231017093947.3627976-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-17 16:33:39 +02:00
Arnd Bergmann
555624c0d1 vgacon: clean up global screen_info instances
To prepare for completely separating the VGA console screen_info from
the one used in EFI/sysfb, rename the vgacon instances and make them
local as much as possible.

ia64 and arm both have confurations with vgacon and efi, but the contents
never overlaps because ia64 has no EFI framebuffer, and arm only has
vga console on legacy platforms without EFI. Renaming these is required
before the EFI screen_info can be moved into drivers/firmware.

The ia64 vga console is actually registered in two places from
setup_arch(), but one of them is wrong, so drop the one in pcdp.c and
fix the one in setup.c to use the correct conditional.

x86 has to keep them together, as the boot protocol is used to switch
between VGA text console and framebuffer through the screen_info data.

Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Khalid Aziz <khalid@gonehiking.org>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20231009211845.3136536-7-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-17 10:17:02 +02:00
Arnd Bergmann
acfc788233 vgacon: remove screen_info dependency
The vga console driver is fairly self-contained, and only used by
architectures that explicitly initialize the screen_info settings.

Chance every instance that picks the vga console by setting conswitchp
to call a function instead, and pass a reference to the screen_info
there.

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Khalid Azzi <khalid@gonehiking.org>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20231009211845.3136536-6-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-17 10:17:02 +02:00
Ard Biesheuvel
db7724134c x86/boot: efistub: Assign global boot_params variable
Now that the x86 EFI stub calls into some APIs exposed by the
decompressor (e.g., kaslr_get_random_long()), it is necessary to ensure
that the global boot_params variable is set correctly before doing so.

Note that the decompressor and the kernel proper carry conflicting
declarations for the global variable 'boot_params' so refer to it via an
alias to work around this.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2023-10-17 08:33:13 +02:00
Arnd Bergmann
15c46d85f0 Amlogic drivers changes for v6.7:
- correct meson_sm_* API retval handling
 - Use device_get_match_data() in meson SM
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Merge tag 'amlogic-drivers-for-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux into soc/drivers

Amlogic drivers changes for v6.7:
- correct meson_sm_* API retval handling
- Use device_get_match_data() in meson SM

* tag 'amlogic-drivers-for-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux:
  firmware: meson: Use device_get_match_data()
  drivers: meson: sm: correct meson_sm_* API retval handling

Link: https://lore.kernel.org/r/00ef6ab3-59c1-484a-9d70-50f16e4cc584@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-10-16 23:01:32 +02:00
Arnd Bergmann
9e6e423a36 firmware: tegra: Changes for v6.7-rc1
Contains a typofix and a new mechanism to help fix an issue that can
 seemingly hang the system during early resume.
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Merge tag 'tegra-for-6.7-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers

firmware: tegra: Changes for v6.7-rc1

Contains a typofix and a new mechanism to help fix an issue that can
seemingly hang the system during early resume.

* tag 'tegra-for-6.7-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  firmware: tegra: Add suspend hook and reset BPMP IPC early on resume
  firmware: tegra: Fix a typo

Link: https://lore.kernel.org/r/20231013153723.1729109-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-10-16 22:58:21 +02:00