Commit Graph

1302016 Commits

Author SHA1 Message Date
Paolo Bonzini
1a371190a3 Merge tag 'loongarch-kvm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.12

1. Revert qspinlock to test-and-set simple lock on VM.
2. Add Loongson Binary Translation extension support.
3. Add PMU support for guest.
4. Enable paravirt feature control from VMM.
5. Implement function kvm_para_has_feature().
2024-09-15 02:43:11 -04:00
Paolo Bonzini
091b2ecaa3 Merge tag 'kvmarm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 6.12

* New features:

  - Add a Stage-2 page table dumper, reusing the main ptdump
    infrastructure, and allowing easier debugging of the our
    page-table infrastructure

  - Add FP8 support to the KVM/arm64 floating point handling.

  - Add NV support for the AT family of instructions, which mostly
    results in adding a page table walker that deals with most of the
    complexity of the architecture.

* Improvements, fixes and cleanups:

  - Add selftest checks for a bunch of timer emulation corner cases

  - Fix the multiple of cases where KVM/arm64 doesn't correctly handle
    the guest trying to use a GICv3 that isn't advertised

  - Remove REG_HIDDEN_USER from the sysreg infrastructure, making
    things little more simple

  - Prevent MTE tags being restored by userspace if we are actively
    logging writes, as that's a recipe for disaster

  - Correct the refcount on a page that is not considered for MTE tag
    copying (such as a device)

  - Relax the synchronisation when walking a page table to split block
    mappings, moving it at the end the walk, as there is no need to
    perform it on every store.

  - Fix boundary check when transfering memory using FFA

  - Fix pKVM TLB invalidation, only affecting currently out of tree
    code but worth addressing for peace of mind
2024-09-15 02:43:05 -04:00
Jakub Kicinski
3254ce8389 Merge branch 'introduce-hsr-offload-support-for-icssg'
MD Danish Anwar says:

====================
Introduce HSR offload support for ICSSG

This series introduces HSR offload support for ICSSG driver. To support HSR
offload to hardware, ICSSG HSR firmware is used.

This series introduces,
1. HSR frame offload support for ICSSG driver.
2. HSR Tx Packet duplication offload
3. HSR Tx Tag and Rx Tag offload
4. Multicast filtering support in HSR offload mode.
5. Dependencies related to IEP.

HSR Test Setup:
--------------

     ___________           ___________           ___________
    |           | Link AB |           | Link BC |           |
  __|   AM64*   |_________|   AM64    |_________|   AM64*   |___
 |  | Station A |         | Station B |         | Station C |   |
 |  |___________|         |___________|         |___________|   |
 |                                                              |
 |______________________________________________________________|
                            Link CA
 *Could be any device that supports two ethernet interfaces.

Steps to switch to HSR frame forward offload mode:
-------------------------------------------------
Example assuming eth1, eth2 ports of ICSSG1 on AM64-EVM

  1) Enable HSR offload for both interfaces
      ethtool -K eth1 hsr-fwd-offload on
      ethtool -K eth1 hsr-dup-offload on
      ethtool -K eth1 hsr-tag-ins-offload on
      ethtool -K eth1 hsr-tag-rm-offload on

      ethtool -K eth2 hsr-fwd-offload on
      ethtool -K eth2 hsr-dup-offload on
      ethtool -K eth2 hsr-tag-ins-offload on
      ethtool -K eth2 hsr-tag-rm-offload on

  2) Create HSR interface and add slave interfaces to it
      ip link add name hsr0 type hsr slave1 eth1 slave2 eth2 \
    supervision 45 version 1

  3) Add IP address to the HSR interface
      ip addr add <IP_ADDR>/24 dev hsr0

  4) Bring up the HSR interface
      ip link set hsr0 up

Switching back to previous mode:
--------------------------------
  1) Delete HSR interface
      ip link delete hsr0

  2) Disable HSR port-to-port offloading mode, packet duplication
      ethtool -K eth1 hsr-fwd-offload off
      ethtool -K eth1 hsr-dup-offload off
      ethtool -K eth1 hsr-tag-ins-offload off
      ethtool -K eth1 hsr-tag-rm-offload off

      ethtool -K eth2 hsr-fwd-offload off
      ethtool -K eth2 hsr-dup-offload off
      ethtool -K eth2 hsr-tag-ins-offload off
      ethtool -K eth2 hsr-tag-rm-offload off

Testing the port-to-port frame forward offload feature:
-----------------------------------------------------
  1) Connect the LAN cables as shown in the test setup.
  2) Configure Station A and Station C in HSR non-offload mode.
  3) Configure Station B is HSR offload mode.
  4) Since HSR is a redundancy protocol, disconnect cable "Link CA",
     to ensure frames from Station A reach Station C only through
     Station B.
  5) Run iperf3 Server on Station C and client on station A.
  7) Check the CPU usage on Station B.

CPU usage report on Station B using mpstat when running UDP iperf3:
-------------------------------------------------------------------

  1) Non-Offload case
  -------------------
  CPU  %usr  %nice  %sys %iowait  %irq  %soft  %steal  %guest   %idle
  all  0.00   0.00  0.50    0.00  3.52  29.15    0.00    0.00   66.83
    0  0.00   0.00  0.00    0.00  7.00  58.00    0.00    0.00   35.00
    1  0.00   0.00  0.99    0.00  0.99   0.00    0.00    0.00   98.02

  2) Offload case
  ---------------
  CPU  %usr  %nice  %sys %iowait  %irq  %soft  %steal  %guest   %idle
  all  0.00   0.00  0.00    0.00  0.50   0.00    0.00    0.00   99.50
    0  0.00   0.00  0.99    0.00  0.00   0.00    0.00    0.00   99.01
    1  0.00   0.00  0.00    0.00  0.00   0.00    0.00    0.00  100.00

Note:
1) At the very least, hsr-fwd-offload must be enabled.
   Without offloading the port-to-port offload, other
   HSR offloads cannot be enabled.

2) hsr-tag-ins-offload and hsr-dup-offload are tightly coupled in
   the firmware implementation. They both need to be enabled / disabled
   together.

v1: https://lore.kernel.org/20240808110800.1281716-1-danishanwar@ti.com/
v2: https://lore.kernel.org/20240813074233.2473876-1-danishanwar@ti.com
v3: https://lore.kernel.org/20240828091901.3120935-1-danishanwar@ti.com/
v4: https://lore.kernel.org/20240904100506.3665892-1-danishanwar@ti.com/
v5: https://lore.kernel.org/20240906111538.1259418-1-danishanwar@ti.com/

[0] https://lore.kernel.org/202409061658.vSwcFJiK-lkp@intel.com/
[1] https://lore.kernel.org/20240828091901.3120935-5-danishanwar@ti.com/
[2] https://lore.kernel.org/20240828091901.3120935-7-danishanwar@ti.com/
[3] https://lore.kernel.org/20240813074233.2473876-2-danishanwar@ti.com/
[4] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e846be0fba85
====================

Link: https://patch.msgid.link/20240911081603.2521729-1-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14 15:14:13 -07:00
MD Danish Anwar
1d6ae96527 net: ti: icssg-prueth: Add multicast filtering support in HSR mode
Add support for multicast filtering in HSR mode

Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20240911081603.2521729-6-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14 15:14:07 -07:00
Ravi Gunasekaran
56375086d0 net: ti: icssg-prueth: Enable HSR Tx duplication, Tx Tag and Rx Tag offload
The HSR stack allows to offload its Tx packet duplication functionality to
the hardware. Enable this offloading feature for ICSSG driver. Add support
to offload HSR Tx Tag Insertion and Rx Tag Removal and duplicate discard.

hsr tag insertion offload and hsr dup offload are tightly coupled in
firmware implementation. Both these features need to be enabled / disabled
together.

Duplicate discard is done as part of RX tag removal and it is
done by the firmware. When driver sends the r30 command
ICSSG_EMAC_HSR_RX_OFFLOAD_ENABLE, firmware does RX tag removal as well as
duplicate discard.

Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://patch.msgid.link/20240911081603.2521729-5-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14 15:14:07 -07:00
MD Danish Anwar
95540ad674 net: ti: icssg-prueth: Add support for HSR frame forward offload
Add support for offloading HSR port-to-port frame forward to hardware.
When the slave interfaces are added to the HSR interface, the PRU cores
will be stopped and ICSSG HSR firmwares will be loaded to them.

Similarly, when HSR interface is deleted, the PRU cores will be
restarted and the last used firmwares will be reloaded. PRUeth
interfaces will be back to the last used mode.

This commit also renames some APIs that are common between switch and
hsr mode with '_fw_offload' suffix.

Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://patch.msgid.link/20240911081603.2521729-4-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14 15:14:07 -07:00
MD Danish Anwar
4ebe0599fc net: ti: icssg-prueth: Stop hardcoding def_inc
The def_inc is stored in icss_iep structure. Currently default increment
(ns per clock tick) is hardcoded to 4 (Clock frequency being 250 MHz).
Change this to use the iep->def_inc variable as the iep structure is now
accessible to the driver files.

Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20240911081603.2521729-3-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14 15:14:07 -07:00
MD Danish Anwar
8f88c072c2 net: ti: icss-iep: Move icss_iep structure
Move icss_iep structure definition and to icss_iep.h file so that the
structure members can be used / accessed by all icssg driver files.

Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20240911081603.2521729-2-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14 15:14:07 -07:00
Michael Walle
ac5bfa968b mtd: spi-nor: fix flash probing
Fix flash probing by name. Flash entries without a name are allowed
since commit 15eb8303bb ("mtd: spi-nor: mark the flash name as
obsolete"). But it was just until recently that a flash entry without a
name was actually introduced. This triggers a bug in the legacy probe by
name path. Skip entries without a name to fix it.

Fixes: 2095e7da8049 ("mtd: spi-nor: spansion: Add support for S28HS256T")
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Closes: https://lore.kernel.org/r/66c8ebb0-1324-4ad9-9926-8d4eb7e1e63a@nvidia.com/
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240909072854.812206-1-mwalle@kernel.org
2024-09-14 17:56:31 +02:00
Takahiro Kuwano
1dc6cd4f94 mtd: spi-nor: spansion: Add support for S28HS256T
Infineon S28HS256T is 256Mb Octal SPI device which has same
functionalities with 512Mb and 1Gb parts.

Link: https://www.infineon.com/dgdl/Infineon-S28HS256T_S28HL256T_256Mb_SEMPER_Flash_Octal_interface_1_8V_3-DataSheet-v02_00-EN.pdf?fileId=8ac78c8c8fc2dd9c018fc66787aa0657
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240830080428.6994-1-Takahiro.Kuwano@infineon.com
2024-09-14 17:56:31 +02:00
Michael Walle
a84d45217c mtd: spi-nor: winbond: add Zetta ZD25Q128C support
Zetta normally uses BAh as its vendor ID. But for the ZD25Q128C they
took the one from Winbond and messed up the size parameters in SFDP.
Most functions seem compatible with the W25Q128, we just have to fix up
the size.

Link: http://www.zettadevice.com/upload/file/20150821/DS_Zetta_25Q128_RevA.pdf
Link: https://www.lcsc.com/datasheet/lcsc_datasheet_2312081757_Zetta-ZD25Q128CSIGT_C19626875.pdf
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240804221535.291923-1-mwalle@kernel.org
2024-09-14 17:56:31 +02:00
Brian Norris
86fd0e6410 mtd: spi-nor: micron-st: Add n25q064a WP support
These flash chips are used on Google / TP-Link / ASUS OnHub devices, and
OnHub devices are write-protected by default (same as any other
ChromeOS/Chromebook system). I've referred to datasheets, and tested on
OnHub devices.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240726185825.142733-1-computersforpeace@gmail.com
2024-09-14 17:56:31 +02:00
Csókás, Bence
18bcb4aa54 mtd: spi-nor: sst: Factor out common write operation to sst_nor_write_data()
Writing to the Flash in `sst_nor_write()` is a 3-step process:
first an optional one-byte write to get 2-byte-aligned, then the
bulk of the data is written out in vendor-specific 2-byte writes.
Finally, if there's a byte left over, another one-byte write.
This was implemented 3 times in the body of `sst_nor_write()`.
To reduce code duplication, factor out these sub-steps to their
own function.

Signed-off-by: Csókás, Bence <csokas.bence@prolan.hu>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
[pratyush@kernel.org: fixup whitespace, use %zu instead of %i in WARN()]
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240710091401.1282824-1-csokas.bence@prolan.hu
2024-09-14 17:56:31 +02:00
Linus Torvalds
0babf68378 Pin control fixes for the v6.11 series:
- One Intel patch that I mistakedly merged into for-next
   despite it belongs in fixes: add Arrow Lake-H/U ACPI
   ID so this Arrow Lake chip probes.
 
 - One fix making the CY895x0 reg cache work, which is
   good because it makes the device work too.
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Merge tag 'pinctrl-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:

 - One Intel patch that I mistakenly merged into for-next despite it
   belonging in fixes: add Arrow Lake-H/U ACPI ID so this Arrow Lake
   chip probes.

 - One fix making the CY895x0 reg cache work, which is good because it
   makes the device work too.

* tag 'pinctrl-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: pinctrl-cy8c95x0: Fix regcache
  pinctrl: meteorlake: Add Arrow Lake-H/U ACPI ID
2024-09-14 16:58:02 +02:00
Linus Torvalds
57719771a2 sound fixes for 6.11
A few last-minute ASoC fixes and MAINTAINERS update.
 All look small, obvious and nice-to-have fixes for 6.11-final.
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Merge tag 'sound-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A few last-minute ASoC fixes and MAINTAINERS update.

  All look small, obvious and nice-to-have fixes for 6.11-final"

* tag 'sound-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: meson: axg-card: fix 'use-after-free'
  ASoC: codecs: avoid possible garbage value in peb2466_reg_read()
  MAINTAINERS: update Pierre Bossart's email and role
  ASoC: tas2781: fix to save the dsp bin file name into the correct array in case name_prefix is not NULL
  ASoC: Intel: soc-acpi-intel-mtl-match: add missing empty item
  ASoC: Intel: soc-acpi-intel-lnl-match: add missing empty item
2024-09-14 11:54:24 +02:00
Linus Torvalds
d9bc226584 fix for packet signing of write
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Merge tag '6.11-rc7-SMB3-client-fix' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fix from Steve French:
 "Fix for packet signing of write"

* tag '6.11-rc7-SMB3-client-fix' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Fix signature miscalculation
2024-09-14 11:43:24 +02:00
Hans de Goede
e50a57d16f power: supply: hwmon: Fix missing temp1_max_alarm attribute
Temp channel 0 aka temp1 can have a temp1_max_alarm attribute for
power_supply devices which have a POWER_SUPPLY_PROP_TEMP_ALERT_MAX
property.

HWMON_T_MAX_ALARM was missing from power_supply_hwmon_info for
temp channel 0, causing the hwmon temp1_max_alarm attribute to be
missing from such power_supply devices.

Add this to power_supply_hwmon_info to fix this.

Fixes: f1d33ae806 ("power: supply: remove duplicated argument in power_supply_hwmon_info")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240908185337.103696-2-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2024-09-14 11:06:07 +02:00
Hans de Goede
78f281e5bd power: supply: Drop use_cnt check from power_supply_property_is_writeable()
power_supply_property_is_writeable() gets called from the is_visible()
callback for the sysfs attributes of power_supply class devices and for
the sysfs attributes of power_supply core instantiated hwmon class devices.

These sysfs attributes get registered by the device_add() respectively
power_supply_add_hwmon_sysfs() calls in power_supply_register().

use_cnt gets initialized to 0 and is incremented only after these calls.
So when power_supply_property_is_writeable() gets called it always return
-ENODEV because of use_cnt == 0.

This causes all the attributes to have permissions of 444 even those which
should be writable. This used to be a problem only for hwmon sysfs
attributes but since commit be6299c6e5 ("power: supply: sysfs: use
power_supply_property_is_writeable()") this now also impacts power_supply
class sysfs attributes.

Fixes: be6299c6e5 ("power: supply: sysfs: use power_supply_property_is_writeable()")
Fixes: e67d4dfc9f ("power: supply: Add HWMON compatibility layer")
Cc: stable@vger.kernel.org
Cc: Thomas Weißschuh <linux@weissschuh.net>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/stable/20240908185337.103696-1-hdegoede%40redhat.com
Link: https://lore.kernel.org/r/20240908185337.103696-1-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2024-09-14 11:06:07 +02:00
Takashi Iwai
64c0ce555a Merge branch 'for-linus' into for-next
Pull 6.11 fixes to 6.12-devel branch

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-09-14 10:16:12 +02:00
Takashi Iwai
1a529af6f8 ASoC: Updates for v6.12
This is a very large set of changes, almost all in drivers rather than
 the core.  Even with the addition of several quite large drivers the
 overall diffstat is negative thanks to the removal of some old Intel
 board support which has been obsoleted by the AVS driver, helped a bit
 by some factoring out into helpers (especially around the Soundwire
 machine drivers for x86).
 
 Highlights include:
 
  - More simplifications and cleanups throughout the subsystem from
    Morimoto-san.
  - Extensive cleanups and refactoring of the Soundwire drivers to make
    better use of helpers.
  - Removal of Intel machine support obsoleted by the AVS driver.
  - Lots of DT schema conversions.
  - Machine support for many AMD and Intel x86 platforms.
  - Support for AMD ACP 7.1, Mediatek MT6367 and MT8365, Realtek RTL1320
    SoundWire and rev C, and Texas Instruments TAS2563
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Merge tag 'asoc-v6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v6.12

This is a very large set of changes, almost all in drivers rather than
the core.  Even with the addition of several quite large drivers the
overall diffstat is negative thanks to the removal of some old Intel
board support which has been obsoleted by the AVS driver, helped a bit
by some factoring out into helpers (especially around the Soundwire
machine drivers for x86).

Highlights include:

 - More simplifications and cleanups throughout the subsystem from
   Morimoto-san.
 - Extensive cleanups and refactoring of the Soundwire drivers to make
   better use of helpers.
 - Removal of Intel machine support obsoleted by the AVS driver.
 - Lots of DT schema conversions.
 - Machine support for many AMD and Intel x86 platforms.
 - Support for AMD ACP 7.1, Mediatek MT6367 and MT8365, Realtek RTL1320
   SoundWire and rev C, and Texas Instruments TAS2563
2024-09-14 09:09:59 +02:00
Takashi Iwai
134536c212 ASoC: Fixes for v6.11
A few last minute fixes, plus an update for Pierre's contact details and
 status.  It'd be good to get these into v6.11 (especially the
 MAINTAINERS update) but it wouldn't be the end of the world if they
 waited for the merge window, none of them are super remarkable and it's
 just a question of timing that they're last minute.
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Merge tag 'asoc-fix-v6.11-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.11

A few last minute fixes, plus an update for Pierre's contact details and
status.  It'd be good to get these into v6.11 (especially the
MAINTAINERS update) but it wouldn't be the end of the world if they
waited for the merge window, none of them are super remarkable and it's
just a question of timing that they're last minute.
2024-09-14 09:09:11 +02:00
Boqun Feng
a49f48cc7d MAINTAINERS: Add the dedicated maillist info for LKMM
A dedicated mail list has been created for Linux kernel memory model
discussion, which could help people more easily track memory model
related discussions.  This could also help bring memory model discussions
to a broader audience.  Therefore, add the list information to the LKMM
maintainers entry.

Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Andrea Parri <parri.andrea@gmail.com>
2024-09-13 23:56:44 -07:00
Akira Yokosawa
2040c9cb14 docs/memory-barriers.txt: Remove left-over references to "CACHE COHERENCY"
Commit 8ca924aeb4 ("Documentation/barriers: Remove references to
[smp_]read_barrier_depends()") removed the entire section of "CACHE
COHERENCY", without getting rid of its traces.

Remove them.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Andrea Parri <parri.andrea@gmail.com>
2024-09-13 23:56:44 -07:00
Akira Yokosawa
b9a6e87af5 tools/memory-model: simple.txt: Fix stale reference to recipes-pairs.txt
There has never been recipes-paris.txt at least since v5.11.
Fix the typo.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Acked-by: Andrea Parri <parri.andrea@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2024-09-13 23:56:44 -07:00
Akira Yokosawa
9bc931e9e1 tools/memory-model: Add locking.txt and glossary.txt to README
locking.txt and glossary.txt have been in LKMM's documentation for
quite a while.

Add them in README's introduction of docs and the list of docs at the
bottom.  Add access-marking.txt in the former as well.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Acked-by: Andrea Parri <parri.andrea@gmail.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2024-09-13 23:56:44 -07:00
Andrea Parri
e8adbac0d4 tools/memory-model: Document herd7 (abstract) representation
The Linux-kernel memory model (LKMM) source code and the herd7 tool are
closely linked in that the latter is responsible for (pre)processing
each C-like macro of a litmus test, and for providing the LKMM with a
set of events, or "representation", corresponding to the given macro.
This commit therefore provides herd-representation.txt to document
the representations of the concurrency macros, following their
"classification" in Documentation/atomic_t.txt.

Link: https://lore.kernel.org/all/ZnFZPJlILp5B9scN@andrea/

Suggested-by: Hernan Ponce de Leon <hernan.poncedeleon@huaweicloud.com>
Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Hernan Ponce de Leon <hernan.poncedeleon@huaweicloud.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2024-09-13 23:56:43 -07:00
Namjae Jeon
c5a709f08d ksmbd: handle caseless file creation
Ray Zhang reported ksmbd can not create file if parent filename is
caseless.

Y:\>mkdir A
Y:\>echo 123 >a\b.txt
The system cannot find the path specified.
Y:\>echo 123 >A\b.txt

This patch convert name obtained by caseless lookup to parent name.

Cc: stable@vger.kernel.org # v5.15+
Reported-by: Ray Zhang <zhanglei002@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-09-14 00:03:15 -05:00
Hobin Woo
ca4974ca95 ksmbd: make __dir_empty() compatible with POSIX
Some file systems may not provide dot (.) and dot-dot (..) as they are
optional in POSIX. ksmbd can misjudge emptiness of a directory in those
file systems, since it assumes there are always at least two entries:
dot and dot-dot.
Just don't count dot and dot-dot.

Cc: stable@vger.kernel.org # v6.1+
Signed-off-by: Hobin Woo <hobin.woo@samsung.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-09-14 00:03:15 -05:00
Namjae Jeon
ee426bfb9d ksmbd: add refcnt to ksmbd_conn struct
When sending an oplock break request, opinfo->conn is used,
But freed ->conn can be used on multichannel.
This patch add a reference count to the ksmbd_conn struct
so that it can be freed when it is no longer used.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-09-14 00:03:15 -05:00
Namjae Jeon
2fb9b5dc80 ksmbd: allow write with FILE_APPEND_DATA
Windows client write with FILE_APPEND_DATA when using git.
ksmbd should allow write it with this flags.

Z:\test>git commit -m "test"
fatal: cannot update the ref 'HEAD': unable to append to
 '.git/logs/HEAD': Bad file descriptor

Fixes: 0626e6641f ("cifsd: add server handler for central processing and tranport layers")
Cc: stable@vger.kernel.org # v5.15+
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-09-14 00:03:14 -05:00
Jakub Kicinski
34c44eb31d Merge branch 'net-ibm-emac-modernize-a-bit'
Rosen Penev says:

====================
net: ibm: emac: modernize a bit
====================

Link: https://patch.msgid.link/20240912024903.6201-1-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:49:00 -07:00
Rosen Penev
39b9b78065 net: ibm: emac: get rid of wol_irq
This is completely unused.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-10-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:58 -07:00
Rosen Penev
c092d0be38 net: ibm: emac: remove all waiting code
EPROBE_DEFER, which probably wasn't available when this driver was
written, can be used instead of waiting manually.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20240912024903.6201-9-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:58 -07:00
Rosen Penev
cc0c92ff66 net: ibm: emac: replace of_get_property
of_property_read_u32 can be used.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-8-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:58 -07:00
Rosen Penev
baab9de385 net: ibm: emac: use netdev's phydev directly
Avoids having to use own struct member.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-7-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:57 -07:00
Rosen Penev
a4dd8535a5 net: ibm: emac: use devm for register_netdev
Cleans it up automatically. No need to handle manually.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-6-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:57 -07:00
Rosen Penev
93a6d4e036 net: ibm: emac: remove mii_bus with devm
Switching to devm management of mii_bus allows to remove
mdiobus_unregister calls and thus avoids needing a mii_bus global struct
member.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-5-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:57 -07:00
Rosen Penev
969b002d7b net: ibm: emac: use devm for of_iomap
Allows removing manual iounmap.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-4-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:57 -07:00
Rosen Penev
dcc34ef7c8 net: ibm: emac: manage emac_irq with devm
It's the last to go in remove. Safe to let devm handle it.

Also move request_irq to probe for clarity. It's removed in _remove not
close.

Use dev_err_probe instead of printk. Handles EPROBE_DEFER automatically.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-3-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:57 -07:00
Rosen Penev
b9758c4342 net: ibm: emac: use devm for alloc_etherdev
Allows to simplify the code slightly. This is safe to do as free_netdev
gets called last.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-2-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:48:57 -07:00
Linu Cherian
beb2baa9e5 octeontx2-af: debugfs: Add Channel info to RPM map
Display channel info in the RPM map debugfs output.

With this, cat /sys/kernel/debug/cn10k/rvu_pf_rpm_map
would display channel number for each device in addition to
the existing data.

Sample output:
PCI dev         RVU PF Func     NIX block       rpm     LMAC    CHAN
0002:02:00.0    0x400           NIX0            rpm0    LMAC0   256

Signed-off-by: Linu Cherian <lcherian@marvell.com>
Link: https://patch.msgid.link/20240912161450.164402-3-lcherian@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:42:21 -07:00
Maxime Chevallier
1ad84a151a net: ethtool: phy: Don't set the context dev pointer for unfiltered DUMP
The context info allows continuing DUMP requests, shall they fill the
netlink buffer.

In the case of filtered DUMP requests, a reference on the netdev is
grabbed in the .start() callback and release in .done().

Unfiltered DUMP request don't need the dev pointer to be set in the context
info, doing so will trigger an unwanted netdev_put() in .done().

Reported-by: syzbot+e9ed4e4368d450c8f9db@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/000000000000d3bf150621d361a7@google.com/
Fixes: 17194be4c8 ("net: ethtool: Introduce a command to list PHYs on an interface")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20240913100515.167341-1-maxime.chevallier@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:40:12 -07:00
Jakub Kicinski
06a104d55d linux-can-next-for-6.12-20240911
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Merge tag 'linux-can-next-for-6.12-20240911' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next

Marc Kleine-Budde says:

====================
pull-request: can-next 2024-09-11

The first patch is by Uwe Kleine-König targets all CAN platform driver
and switches back the remove function to struct
platform_driver::remove().

A patch by Stefan Mätje fixes the help text of the ESD USB driver.

Jake Hamby's patch masks an unneeded interrupt in the m_can driver.

The last 2 patches target the rockchip_canfd driver. Arnd Bergmann's
patch reworks the delay calculation for the timekeeping worker, a
patch by me fixes the decoding of the error code register.

* tag 'linux-can-next-for-6.12-20240911' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
  can: rockchip_canfd: rkcanfd_handle_error_int_reg_ec(): fix decoding of error code register
  can: rockchip_canfd: rkcanfd_timestamp_init(): rework delay calculation
  can: m_can: m_can_chip_config(): mask timestamp wraparound IRQ
  can: usb: Kconfig: Fix list of devices for esd_usb driver
  can: Switch back to struct platform_driver::remove()
====================

Link: https://patch.msgid.link/20240912080438.2826895-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:27:10 -07:00
Dan Carpenter
37551b4540 rtase: Fix error code in rtase_init_board()
Return an error if dma_set_mask_and_coherent() fails.  Don't return
success.

Fixes: a36e9f5cfe ("rtase: Add support for a pci table in this module")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/f53ed942-5ac2-424b-a1ed-9473c599905e@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:23:43 -07:00
Jakub Kicinski
36f6b72cb8 linux-can-fixes-for-6.11-20240912
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Merge tag 'linux-can-fixes-for-6.11-20240912' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2024-09-12

Kuniyuki Iwashima's patch fixes an incomplete bug fix in the CAN BCM
protocol, which was introduced during v6.11.

A patch by Stefan Mätje removes the unsupported CAN_CTRLMODE_3_SAMPLES
mode for CAN-USB/3-FD devices in the esd_usb driver.

The next patch is by Martin Jocic and enables 64-bit DMA addressing
for the kvaser_pciefd driver.

The last two patches both affect the m_can driver. Jake Hamby's patch
activates NAPI before interrupts are activated, a patch by me moves
the stopping of the clock after the device has been shut down.

* tag 'linux-can-fixes-for-6.11-20240912' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: m_can: m_can_close(): stop clocks after device has been shut down
  can: m_can: enable NAPI before enabling interrupts
  can: kvaser_pciefd: Enable 64-bit DMA addressing
  can: esd_usb: Remove CAN_CTRLMODE_3_SAMPLES for CAN-USB/3-FD
  can: bcm: Clear bo->bcm_proc_read after remove_proc_entry().
====================

Link: https://patch.msgid.link/20240912075804.2825408-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:20:13 -07:00
Gaosheng Cui
1b8c9cb315 MIPS: Remove the obsoleted code for include/linux/mv643xx.h
Most of the drivers which used this header have been deleted, most
of these code is obsoleted, move the only defines that are actually
used into arch/powerpc/platforms/chrp/pegasos_eth.c and delete the
file completely.

Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Link: https://patch.msgid.link/20240912011949.2726928-1-cuigaosheng1@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:18:42 -07:00
Jakub Kicinski
158135dcb4 Merge branch 'enic-report-per-queue-stats'
Nelson Escobar says:

====================
enic: Report per queue stats

Patch #1: Use a macro instead of static const variables for array sizes.  I
          didn't want to add more static const variables in the next patch
          so clean up the existing ones first.

Patch #2: Collect per queue statistics

Patch #3: Report per queue stats in netdev qstats

Patch #4: Report some per queue stats in ethtool

 # NETIF="eno6" tools/testing/selftests/drivers/net/stats.py
KTAP version 1
1..5
ok 1 stats.check_pause # XFAIL pause not supported by the device
ok 2 stats.check_fec # XFAIL FEC not supported by the device
ok 3 stats.pkt_byte_sum
ok 4 stats.qstat_by_ifindex
ok 5 stats.check_down

 # tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \
     --dump qstats-get --json '{"ifindex": "34"}'
[{'ifindex': 34,
  'rx-bytes': 66762680,
  'rx-csum-unnecessary': 1009345,
  'rx-hw-drop-overruns': 0,
  'rx-hw-drops': 0,
  'rx-packets': 1009673,
  'tx-bytes': 137936674899,
  'tx-csum-none': 125,
  'tx-hw-gso-packets': 2408712,
  'tx-needs-csum': 2431531,
  'tx-packets': 15475466,
  'tx-stop': 0,
  'tx-wake': 0}]

v2: https://lore.kernel.org/20240905010900.24152-1-neescoba@cisco.com
v1: https://lore.kernel.org/20240823235401.29996-1-neescoba@cisco.com
====================

Link: https://patch.msgid.link/20240912005039.10797-1-neescoba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:17:15 -07:00
Nelson Escobar
bde04d9876 enic: Report some per queue statistics in ethtool
Make 'ethtool -S <intf>' output show some per rq/wq statistics that
don't exist in the netdev qstats.

Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Link: https://patch.msgid.link/20240912005039.10797-5-neescoba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:17:12 -07:00
Nelson Escobar
77805ddb57 enic: Report per queue statistics in netdev qstats
Report per queue wq/rq statistics in netdev qstats.

Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Link: https://patch.msgid.link/20240912005039.10797-4-neescoba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:17:12 -07:00
Nelson Escobar
f3f9150994 enic: Collect per queue statistics
Collect and per rq/wq statistics.

Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Link: https://patch.msgid.link/20240912005039.10797-3-neescoba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13 21:17:11 -07:00