Commit graph

84456 commits

Author SHA1 Message Date
Trond Myklebust
88a6099fc3 NFS: Replace last uses of NFS_INO_REVAL_PAGECACHE
Now that we have more fine grained attribute revalidation, let's just
get rid of NFS_INO_REVAL_PAGECACHE.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-25 18:50:13 -05:00
Olga Kornievskaia
43245eca6e NFSv4.1 support for NFS4_RESULT_PRESERVER_UNLINKED
In 4.1+, the server is allowed to set a flag
NFS4_RESULT_PRESERVE_UNLINKED in reply to the OPEN, that tells
the client that it does not need to do a silly rename of an
opened file when it's being removed.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-25 18:50:12 -05:00
Linus Torvalds
2800b6d0fc Power management fixes for 5.17-rc6
Fix the throttle IRQ handling during cpufreq initialization on Qualcomm
 platforms (Bjorn Andersson).
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Merge tag 'pm-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "Fix the throttle IRQ handling during cpufreq initialization on
  Qualcomm platforms (Bjorn Andersson)"

* tag 'pm-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: qcom-hw: Delay enabling throttle_irq
  cpufreq: Reintroduce ready() callback
2022-02-25 12:17:20 -08:00
Linus Torvalds
c47658311d Char/Misc driver fixes for 5.17-rc6
Here are a few small driver fixes for 5.17-rc6 for reported issues.  The
 majority of these are IIO fixes for small things, and the other two are
 a mvmem and mtd core conflict fix.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are a few small driver fixes for 5.17-rc6 for reported issues.

  The majority of these are IIO fixes for small things, and the other
  two are a mvmem and mtd core conflict fix.

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

* tag 'char-misc-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  mtd: core: Fix a conflict between MTD and NVMEM on wp-gpios property
  nvmem: core: Fix a conflict between MTD and NVMEM on wp-gpios property
  iio: imu: st_lsm6dsx: wait for settling time in st_lsm6dsx_read_oneshot
  iio: Fix error handling for PM
  iio: addac: ad74413r: correct comparator gpio getters mask usage
  iio: addac: ad74413r: use ngpio size when iterating over mask
  iio: addac: ad74413r: Do not reference negative array offsets
  iio: adc: men_z188_adc: Fix a resource leak in an error handling path
  iio: frequency: admv1013: remove the always true condition
  iio: accel: fxls8962af: add padding to regmap for SPI
  iio:imu:adis16480: fix buffering for devices with no burst mode
  iio: adc: ad7124: fix mask used for setting AIN_BUFP & AIN_BUFM bits
  iio: adc: tsc2046: fix memory corruption by preventing array overflow
2022-02-25 12:12:06 -08:00
Matthew Wilcox (Oracle)
8786fde842 Convert NFS from readpages to readahead
NFS is one of the last two users of the deprecated ->readpages aop.
This conversion looks straightforward, but I have only compile-tested
it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-25 15:07:07 -05:00
Christophe Leroy
bc82c38a69 tracing: Uninline trace_trigger_soft_disabled() partly
On a powerpc32 build with CONFIG_CC_OPTIMISE_FOR_SIZE, the inline
keyword is not honored and trace_trigger_soft_disabled() appears
approx 50 times in vmlinux.

Adding -Winline to the build, the following message appears:

	./include/linux/trace_events.h:712:1: error: inlining failed in call to 'trace_trigger_soft_disabled': call is unlikely and code size would grow [-Werror=inline]

That function is rather big for an inlined function:

	c003df60 <trace_trigger_soft_disabled>:
	c003df60:	94 21 ff f0 	stwu    r1,-16(r1)
	c003df64:	7c 08 02 a6 	mflr    r0
	c003df68:	90 01 00 14 	stw     r0,20(r1)
	c003df6c:	bf c1 00 08 	stmw    r30,8(r1)
	c003df70:	83 e3 00 24 	lwz     r31,36(r3)
	c003df74:	73 e9 01 00 	andi.   r9,r31,256
	c003df78:	41 82 00 10 	beq     c003df88 <trace_trigger_soft_disabled+0x28>
	c003df7c:	38 60 00 00 	li      r3,0
	c003df80:	39 61 00 10 	addi    r11,r1,16
	c003df84:	4b fd 60 ac 	b       c0014030 <_rest32gpr_30_x>
	c003df88:	73 e9 00 80 	andi.   r9,r31,128
	c003df8c:	7c 7e 1b 78 	mr      r30,r3
	c003df90:	41 a2 00 14 	beq     c003dfa4 <trace_trigger_soft_disabled+0x44>
	c003df94:	38 c0 00 00 	li      r6,0
	c003df98:	38 a0 00 00 	li      r5,0
	c003df9c:	38 80 00 00 	li      r4,0
	c003dfa0:	48 05 c5 f1 	bl      c009a590 <event_triggers_call>
	c003dfa4:	73 e9 00 40 	andi.   r9,r31,64
	c003dfa8:	40 82 00 28 	bne     c003dfd0 <trace_trigger_soft_disabled+0x70>
	c003dfac:	73 ff 02 00 	andi.   r31,r31,512
	c003dfb0:	41 82 ff cc 	beq     c003df7c <trace_trigger_soft_disabled+0x1c>
	c003dfb4:	80 01 00 14 	lwz     r0,20(r1)
	c003dfb8:	83 e1 00 0c 	lwz     r31,12(r1)
	c003dfbc:	7f c3 f3 78 	mr      r3,r30
	c003dfc0:	83 c1 00 08 	lwz     r30,8(r1)
	c003dfc4:	7c 08 03 a6 	mtlr    r0
	c003dfc8:	38 21 00 10 	addi    r1,r1,16
	c003dfcc:	48 05 6f 6c 	b       c0094f38 <trace_event_ignore_this_pid>
	c003dfd0:	38 60 00 01 	li      r3,1
	c003dfd4:	4b ff ff ac 	b       c003df80 <trace_trigger_soft_disabled+0x20>

However it is located in a hot path so inlining it is important.
But forcing inlining of the entire function by using __always_inline
leads to increasing the text size by approx 20 kbytes.

Instead, split the fonction in two parts, one part with the likely
fast path, flagged __always_inline, and a second part out of line.

With this change, on a powerpc32 with CONFIG_CC_OPTIMISE_FOR_SIZE
vmlinux text increases by only 1,4 kbytes, which is partly
compensated by a decrease of vmlinux data by 7 kbytes.

On ppc64_defconfig which has CONFIG_CC_OPTIMISE_FOR_SPEED, this
change reduces vmlinux text by more than 30 kbytes.

Link: https://lkml.kernel.org/r/69ce0986a52d026d381d612801d978aa4f977460.1644563295.git.christophe.leroy@csgroup.eu

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-02-25 12:07:01 -05:00
Michael Walle
837d5181be mtd: spi-nor: move all spansion specifics into spansion.c
The clear status register flags is only available on spansion flashes.
Move all the functions around that into the spanion module.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Tested-by: Pratyush Yadav <p.yadav@ti.com> # on mt35xu512aba, s28hs512t
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20220223134358.1914798-29-michael@walle.cc
2022-02-25 18:12:49 +02:00
Michael Walle
c770abe52d mtd: spi-nor: move all micron-st specifics into micron-st.c
The flag status register is only available on micron flashes. Move all
the functions around that into the micron module.

This is almost a mechanical move except for the spi_nor_fsr_ready()
which now also checks the normal status register. Previously, this was
done in spi_nor_ready().

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Tested-by: Pratyush Yadav <p.yadav@ti.com> # on mt35xu512aba, s28hs512t
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20220223134358.1914798-25-michael@walle.cc
2022-02-25 18:12:19 +02:00
Michael Walle
8b4195cd6d mtd: spi-nor: move all xilinx specifics into xilinx.c
Mechanically move all the xilinx functions to its own module.

Then register the new flash specific ready() function.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20220223134358.1914798-22-michael@walle.cc
2022-02-25 18:12:01 +02:00
Arnd Bergmann
b610c55bdf Arm SCMI firmware interface updates for v5.18
Few main additions include:
 - Support for OPTEE based SCMI transport to enable using SCMI service
   provided by OPTEE on some platforms
 - Support for atomic SCMI transports which enables few SCMI transactions
   to be completed in atomic context. This involves other refactoring work
   associated with it. It also marks SMC and OPTEE as atomic transport as
   the commands are completed once the return.
 - Support for polling mode in SCMI VirtIO transport in order to support
   atomic operations
 - Support for atomic clock operations based on availability of atomic
   capability in the underlying SCMI transport
 
 Other changes involves some trace and log enhancements and miscellaneous
 bug fixes.
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Merge tag 'scmi-updates-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers

Arm SCMI firmware interface updates for v5.18

Few main additions include:
- Support for OPTEE based SCMI transport to enable using SCMI service
  provided by OPTEE on some platforms
- Support for atomic SCMI transports which enables few SCMI transactions
  to be completed in atomic context. This involves other refactoring work
  associated with it. It also marks SMC and OPTEE as atomic transport as
  the commands are completed once the return.
- Support for polling mode in SCMI VirtIO transport in order to support
  atomic operations
- Support for atomic clock operations based on availability of atomic
  capability in the underlying SCMI transport

Other changes involves some trace and log enhancements and miscellaneous
bug fixes.

* tag 'scmi-updates-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (28 commits)
  clk: scmi: Support atomic clock enable/disable API
  firmware: arm_scmi: Add support for clock_enable_latency
  firmware: arm_scmi: Add atomic support to clock protocol
  firmware: arm_scmi: Support optional system wide atomic-threshold-us
  dt-bindings: firmware: arm,scmi: Add atomic-threshold-us optional property
  firmware: arm_scmi: Add atomic mode support to virtio transport
  firmware: arm_scmi: Review virtio free_list handling
  firmware: arm_scmi: Add a virtio channel refcount
  firmware: arm_scmi: Disable ftrace for Clang Thumb2 builds
  firmware: arm_scmi: Add new parameter to mark_txdone
  firmware: arm_scmi: Add atomic mode support to smc transport
  firmware: arm_scmi: Add support for atomic transports
  firmware: arm_scmi: Make optee support sync_cmds_completed_on_ret
  firmware: arm_scmi: Make smc support sync_cmds_completed_on_ret
  firmware: arm_scmi: Add sync_cmds_completed_on_ret transport flag
  firmware: arm_scmi: Make smc transport use common completions
  firmware: arm_scmi: Add configurable polling mode for transports
  firmware: arm_scmi: Use new trace event scmi_xfer_response_wait
  include: trace: Add new scmi_xfer_response_wait event
  firmware: arm_scmi: Refactor message response path
  ...

Link: https://lore.kernel.org/r/20220222201742.3338589-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 17:05:31 +01:00
Arnd Bergmann
c8812c2a08 i.MX drivers update for 5.18:
- Drop LS1021A device check from soc-imx driver as it's unneeded since
   commit commit 4ebd29f916 ("soc: imx: Register SoC device only on
   i.MX boards").
 - Add support for power domains provided by the VPU blk-ctrl on the
   i.MX8MQ.
 - Add resource owner management API which will be used to check whether
   M4 is under control of Linux.
 - Add VPU MU resources support into SCU power domain driver.
 - Support DT overlay for WEIM bus driver with OF reconfiguration
   notifier handler.
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Merge tag 'imx-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers

i.MX drivers update for 5.18:

- Drop LS1021A device check from soc-imx driver as it's unneeded since
  commit commit 4ebd29f916 ("soc: imx: Register SoC device only on
  i.MX boards").
- Add support for power domains provided by the VPU blk-ctrl on the
  i.MX8MQ.
- Add resource owner management API which will be used to check whether
  M4 is under control of Linux.
- Add VPU MU resources support into SCU power domain driver.
- Support DT overlay for WEIM bus driver with OF reconfiguration
  notifier handler.

* tag 'imx-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  bus: imx-weim: add DT overlay support for WEIM bus
  firmware: imx: scu-pd: imx8q: add vpu mu resources
  firmware: imx: add get resource owner api
  soc: imx: imx8m-blk-ctrl: add i.MX8MQ VPU blk-ctrl
  dt-bindings: power: imx8mq: add defines for VPU blk-ctrl domains
  soc: imx: Remove Layerscape check

Link: https://lore.kernel.org/r/20220222075226.160187-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 17:05:21 +01:00
Arnd Bergmann
25b67f373b TEE shared memory cleanup for v5.18
- The TEE shared memory pool based on two pools is replaced with a single
   somewhat more capable pool.
 - Replaces tee_shm_alloc() and tee_shm_register() with new functions
   easier to use and maintain.  The TEE subsystem and the TEE drivers are
   updated to use the new functions instead.
 - The TEE based Trusted keys routines are updated to use the new
   simplified functions above.
 - The OP-TEE based rng driver is updated to use the new simplified
   functions above.
 - The TEE_SHM-flags are refactored to better match their usage
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Merge tag 'tee-shm-for-v5.18' of git://git.linaro.org:/people/jens.wiklander/linux-tee into arm/drivers

TEE shared memory cleanup for v5.18

- The TEE shared memory pool based on two pools is replaced with a single
  somewhat more capable pool.
- Replaces tee_shm_alloc() and tee_shm_register() with new functions
  easier to use and maintain.  The TEE subsystem and the TEE drivers are
  updated to use the new functions instead.
- The TEE based Trusted keys routines are updated to use the new
  simplified functions above.
- The OP-TEE based rng driver is updated to use the new simplified
  functions above.
- The TEE_SHM-flags are refactored to better match their usage

* tag 'tee-shm-for-v5.18' of git://git.linaro.org:/people/jens.wiklander/linux-tee:
  tee: refactor TEE_SHM_* flags
  tee: replace tee_shm_register()
  KEYS: trusted: tee: use tee_shm_register_kernel_buf()
  tee: add tee_shm_register_{user,kernel}_buf()
  optee: add optee_pool_op_free_helper()
  tee: replace tee_shm_alloc()
  tee: simplify shm pool handling
  tee: add tee_shm_alloc_user_buf()
  tee: remove unused tee_shm_pool_alloc_res_mem()
  hwrng: optee-rng: use tee_shm_alloc_kernel_buf()
  optee: use driver internal tee_context for some rpc

Link: https://lore.kernel.org/r/20220218184802.GA968155@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 17:05:11 +01:00
Arnd Bergmann
022e5220f2 AT91 & POLARFIRE SoC #1 for 5.18:
- sama7g5: CPU idle support with CPUFreq operating points defined in DT
 - polarfire: addition of the soc system controller
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Merge tag 'at91-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/soc

AT91 & POLARFIRE SoC #1 for 5.18:

- sama7g5: CPU idle support with CPUFreq operating points defined in DT
- polarfire: addition of the soc system controller

* tag 'at91-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  soc: add microchip polarfire soc system controller
  ARM: at91: Kconfig: select PM_OPP
  ARM: at91: PM: add cpu idle support for sama7g5
  ARM: at91: ddr: fix typo to align with datasheet naming
  ARM: at91: ddr: align macro definitions
  ARM: at91: ddr: remove CONFIG_SOC_SAMA7 dependency

Link: https://lore.kernel.org/r/20220225121943.71494-1-nicolas.ferre@microchip.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 16:35:17 +01:00
Arnd Bergmann
543f7961c2 This cleans out the remaining board files from IXP4xx and
makes it an exclusive device tree subarchitecture without any
 special weirdness in arch/arm/mach-ixp4xx.
 
 The biggest noticeable change is the removal of the old PCI
 driver and along with that the removal of the special DMA
 coherency code and defines and the DMA bouncing.
 
 I tried to convert the IXP4xx to multiplatform on top of
 this but it didn't work because IXP4xx wants to be big
 endian and multiplatform config creates a problem like
 this:
 
 ../arch/arm/kernel/head.S: Assembler messages:
 ../arch/arm/kernel/head.S:94: Error: selected processor does not support `setend be' in ARM mode
 
 I think this is because MULTI_V5 turns on CPUs that cannot
 do big endian, and IXP4xx turn on big endian. (It crashes if
 I try to boot in little endian mode, sorry. It really wants
 to run big endian.)
 
 But before fixing multiplatform we can fix all of this!
 
 The networking patches are dependencies so I am requesting
 ACKs from the network maintainers on these.
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Merge tag 'ixp4xx-cleanup-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/soc

This cleans out the remaining board files from IXP4xx and
makes it an exclusive device tree subarchitecture without any
special weirdness in arch/arm/mach-ixp4xx.

The biggest noticeable change is the removal of the old PCI
driver and along with that the removal of the special DMA
coherency code and defines and the DMA bouncing.

I tried to convert the IXP4xx to multiplatform on top of
this but it didn't work because IXP4xx wants to be big
endian and multiplatform config creates a problem like
this:

../arch/arm/kernel/head.S: Assembler messages:
../arch/arm/kernel/head.S:94: Error: selected processor does not support `setend be' in ARM mode

I think this is because MULTI_V5 turns on CPUs that cannot
do big endian, and IXP4xx turn on big endian. (It crashes if
I try to boot in little endian mode, sorry. It really wants
to run big endian.)

But before fixing multiplatform we can fix all of this!

The networking patches are dependencies so I am requesting
ACKs from the network maintainers on these.

* tag 'ixp4xx-cleanup-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
  ARM: ixp4xx: Convert to SPARSE_IRQ and P2V
  ARM: ixp4xx: Drop all common code
  ARM: ixp4xx: Drop custom DMA coherency and bouncing
  ARM: ixp4xx: Remove feature bit accessors
  net: ixp4xx_hss: Check features using syscon
  net: ixp4xx_eth: Drop platform data support
  soc: ixp4xx-npe: Access syscon regs using regmap
  soc: ixp4xx: Add features from regmap helper
  ARM: ixp4xx: Drop UDC info setting function
  ARM: ixp4xx: Drop stale Kconfig entry
  ARM: ixp4xx: Delete old PCI driver
  ARM: ixp4xx: Delete the Goramo MLR boardfile
  ARM: ixp4xx: Delete Gateway 7001 boardfiles

Link: https://lore.kernel.org/r/CACRpkdahK-jaHFqLCpSqiXwAtkSKbhWQZ9jaSo6rRzHfSiECkA@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 16:32:03 +01:00
Claudiu Beznea
9584e7263e ARM: at91: PM: add cpu idle support for sama7g5
Add CPU idle support for SAMA7G5. Support will make use of PMC_CPU_RATIO
register to divide the CPU clock by 16 before switching it to idle and
use automatic self-refresh option of DDR controller.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20220113144900.906370-5-claudiu.beznea@microchip.com
2022-02-25 12:36:25 +01:00
Yong Wu
2502960fba component: Add common helper for compare/release functions
The component requires the compare/release functions, there are so many
copies in current kernel. Just define four common helpers for them.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20220214060819.7334-2-yong.wu@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-25 12:16:12 +01:00
Ronak Jain
f1d0821bf3 firmware: xilinx: Add support for runtime features
Add support for runtime features by using an IOCTL call. The features
 can be enabled or disabled from the firmware as well as the features
 can be configured at runtime by querying IOCTL_SET_FEATURE_CONFIG id.
 Similarly, the user can get the configured values of features by
 querying IOCTL_GET_FEATURE_CONFIG id.

Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Ronak Jain <ronak.jain@xilinx.com>
Link: https://lore.kernel.org/r/20220209082709.32378-2-ronak.jain@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-25 12:13:20 +01:00
Richard Gong
085a884434 firmware: stratix10-svc: extend SVC driver to get the firmware version
Extend Intel service layer driver to get the firmware version running at
FPGA device. Therefore FPGA manager driver, one of Intel service layer
driver's client, can decide whether to handle the newly added bitstream
authentication function based on the retrieved firmware version.

Link: https://lore.kernel.org/lkml/1617114785-22211-2-git-send-email-richard.gong@linux.intel.com
Acked-by: Moritz Fischr <mdf@kernel.org>
Signed-off-by: Richard Gong <richard.gong@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20220223144908.399522-2-dinguyen@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-25 11:54:25 +01:00
Pali Rohár
2c861b73a2 math64: New DIV_U64_ROUND_CLOSEST helper
Provide DIV_U64_ROUND_CLOSEST helper which uses div_u64 to perform
division rounded to the closest integer using unsigned 64bit
dividend and unsigned 32bit divisor.

Reviewed-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20220219152818.4319-2-kabel@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-25 10:27:57 +01:00
Arnd Bergmann
967747bbc0 uaccess: remove CONFIG_SET_FS
There are no remaining callers of set_fs(), so CONFIG_SET_FS
can be removed globally, along with the thread_info field and
any references to it.

This turns access_ok() into a cheaper check against TASK_SIZE_MAX.

As CONFIG_SET_FS is now gone, drop all remaining references to
set_fs()/get_fs(), mm_segment_t, user_addr_max() and uaccess_kernel().

Acked-by: Sam Ravnborg <sam@ravnborg.org> # for sparc32 changes
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Tested-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com> # for arc changes
Acked-by: Stafford Horne <shorne@gmail.com> # [openrisc, asm-generic]
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 09:36:06 +01:00
Arnd Bergmann
12700c17fc uaccess: generalize access_ok()
There are many different ways that access_ok() is defined across
architectures, but in the end, they all just compare against the
user_addr_max() value or they accept anything.

Provide one definition that works for most architectures, checking
against TASK_SIZE_MAX for user processes or skipping the check inside
of uaccess_kernel() sections.

For architectures without CONFIG_SET_FS(), this should be the fastest
check, as it comes down to a single comparison of a pointer against a
compile-time constant, while the architecture specific versions tend to
do something more complex for historic reasons or get something wrong.

Type checking for __user annotations is handled inconsistently across
architectures, but this is easily simplified as well by using an inline
function that takes a 'const void __user *' argument. A handful of
callers need an extra __user annotation for this.

Some architectures had trick to use 33-bit or 65-bit arithmetic on the
addresses to calculate the overflow, however this simpler version uses
fewer registers, which means it can produce better object code in the
end despite needing a second (statically predicted) branch.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mark Rutland <mark.rutland@arm.com> [arm64, asm-generic]
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Stafford Horne <shorne@gmail.com>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 09:36:05 +01:00
Arnd Bergmann
34737e2698 uaccess: add generic __{get,put}_kernel_nofault
Nine architectures are still missing __{get,put}_kernel_nofault:
alpha, ia64, microblaze, nds32, nios2, openrisc, sh, sparc32, xtensa.

Add a generic version that lets everything use the normal
copy_{from,to}_kernel_nofault() code based on these, removing the last
use of get_fs()/set_fs() from architecture-independent code.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 09:36:05 +01:00
Jakub Kicinski
aaa25a2fa7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
tools/testing/selftests/net/mptcp/mptcp_join.sh
  34aa6e3bcc ("selftests: mptcp: add ip mptcp wrappers")

  857898eb4b ("selftests: mptcp: add missing join check")
  6ef84b1517 ("selftests: mptcp: more robust signal race test")
https://lore.kernel.org/all/20220221131842.468893-1-broonie@kernel.org/

drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h
drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/ct.c
  fb7e76ea3f ("net/mlx5e: TC, Skip redundant ct clear actions")
  c63741b426 ("net/mlx5e: Fix MPLSoUDP encap to use MPLS action information")

  09bf979232 ("net/mlx5e: TC, Move pedit_headers_action to parse_attr")
  84ba8062e3 ("net/mlx5e: Test CT and SAMPLE on flow attr")
  efe6f961cd ("net/mlx5e: CT, Don't set flow flag CT for ct clear flow")
  3b49a7edec ("net/mlx5e: TC, Reject rules with multiple CT actions")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-02-24 17:54:25 -08:00
Linus Torvalds
f672ff9123 Networking fixes for 5.17-rc6, including fixes from bpf and netfilter.
Current release - regressions:
 
  - bpf: fix crash due to out of bounds access into reg2btf_ids
 
  - mvpp2: always set port pcs ops, avoid null-deref
 
  - eth: marvell: fix driver load from initrd
 
  - eth: intel: revert "Fix reset bw limit when DCB enabled with 1 TC"
 
 Current release - new code bugs:
 
  - mptcp: fix race in overlapping signal events
 
 Previous releases - regressions:
 
  - xen-netback: revert hotplug-status changes causing devices to
    not be configured
 
  - dsa:
    - avoid call to __dev_set_promiscuity() while rtnl_mutex isn't held
    - fix panic when removing unoffloaded port from bridge
 
  - dsa: microchip: fix bridging with more than two member ports
 
 Previous releases - always broken:
 
  - bpf:
   - fix crash due to incorrect copy_map_value when both spin lock
     and timer are present in a single value
   - fix a bpf_timer initialization issue with clang
   - do not try bpf_msg_push_data with len 0
   - add schedule points in batch ops
 
  - nf_tables:
    - unregister flowtable hooks on netns exit
    - correct flow offload action array size
    - fix a couple of memory leaks
 
  - vsock: don't check owner in vhost_vsock_stop() while releasing
 
  - gso: do not skip outer ip header in case of ipip and net_failover
 
  - smc: use a mutex for locking "struct smc_pnettable"
 
  - openvswitch: fix setting ipv6 fields causing hw csum failure
 
  - mptcp: fix race in incoming ADD_ADDR option processing
 
  - sysfs: add check for netdevice being present to speed_show
 
  - sched: act_ct: fix flow table lookup after ct clear or switching
    zones
 
  - eth: intel: fixes for SR-IOV forwarding offloads
 
  - eth: broadcom: fixes for selftests and error recovery
 
  - eth: mellanox: flow steering and SR-IOV forwarding fixes
 
 Misc:
 
  - make __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor
    friends not report freed skbs as drops
 
  - force inlining of checksum functions in net/checksum.h
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf and netfilter.

  Current release - regressions:

   - bpf: fix crash due to out of bounds access into reg2btf_ids

   - mvpp2: always set port pcs ops, avoid null-deref

   - eth: marvell: fix driver load from initrd

   - eth: intel: revert "Fix reset bw limit when DCB enabled with 1 TC"

  Current release - new code bugs:

   - mptcp: fix race in overlapping signal events

  Previous releases - regressions:

   - xen-netback: revert hotplug-status changes causing devices to not
     be configured

   - dsa:
      - avoid call to __dev_set_promiscuity() while rtnl_mutex isn't
        held
      - fix panic when removing unoffloaded port from bridge

   - dsa: microchip: fix bridging with more than two member ports

  Previous releases - always broken:

   - bpf:
      - fix crash due to incorrect copy_map_value when both spin lock
        and timer are present in a single value
      - fix a bpf_timer initialization issue with clang
      - do not try bpf_msg_push_data with len 0
      - add schedule points in batch ops

   - nf_tables:
      - unregister flowtable hooks on netns exit
      - correct flow offload action array size
      - fix a couple of memory leaks

   - vsock: don't check owner in vhost_vsock_stop() while releasing

   - gso: do not skip outer ip header in case of ipip and net_failover

   - smc: use a mutex for locking "struct smc_pnettable"

   - openvswitch: fix setting ipv6 fields causing hw csum failure

   - mptcp: fix race in incoming ADD_ADDR option processing

   - sysfs: add check for netdevice being present to speed_show

   - sched: act_ct: fix flow table lookup after ct clear or switching
     zones

   - eth: intel: fixes for SR-IOV forwarding offloads

   - eth: broadcom: fixes for selftests and error recovery

   - eth: mellanox: flow steering and SR-IOV forwarding fixes

  Misc:

   - make __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor
     friends not report freed skbs as drops

   - force inlining of checksum functions in net/checksum.h"

* tag 'net-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (85 commits)
  net: mv643xx_eth: process retval from of_get_mac_address
  ping: remove pr_err from ping_lookup
  Revert "i40e: Fix reset bw limit when DCB enabled with 1 TC"
  openvswitch: Fix setting ipv6 fields causing hw csum failure
  ipv6: prevent a possible race condition with lifetimes
  net/smc: Use a mutex for locking "struct smc_pnettable"
  bnx2x: fix driver load from initrd
  Revert "xen-netback: Check for hotplug-status existence before watching"
  Revert "xen-netback: remove 'hotplug-status' once it has served its purpose"
  net/mlx5e: Fix VF min/max rate parameters interchange mistake
  net/mlx5e: Add missing increment of count
  net/mlx5e: MPLSoUDP decap, fix check for unsupported matches
  net/mlx5e: Fix MPLSoUDP encap to use MPLS action information
  net/mlx5e: Add feature check for set fec counters
  net/mlx5e: TC, Skip redundant ct clear actions
  net/mlx5e: TC, Reject rules with forward and drop actions
  net/mlx5e: TC, Reject rules with drop and modify hdr action
  net/mlx5e: kTLS, Use CHECKSUM_UNNECESSARY for device-offloaded packets
  net/mlx5e: Fix wrong return value on ioctl EEPROM query failure
  net/mlx5: Fix possible deadlock on rule deletion
  ...
2022-02-24 12:45:32 -08:00
Dave Airlie
54f43c17d6 drm-misc-next for v5.18:
UAPI Changes:
 
 Cross-subsystem Changes:
 - Split out panel-lvds and lvds dt bindings .
 - Put yes/no on/off disabled/enabled strings in linux/string_helpers.h
   and use it in drivers and tomoyo.
 - Clarify dma_fence_chain and dma_fence_array should never include eachother.
 - Flatten chains in syncobj's.
 - Don't double add in fbdev/defio when page is already enlisted.
 - Don't sort deferred-I/O pages by default in fbdev.
 
 Core Changes:
 - Fix missing pm_runtime_put_sync in bridge.
 - Set modifier support to only linear fb modifier if drivers don't
   advertise support.
 - As a result, we remove allow_fb_modifiers.
 - Add missing clear for EDID Deep Color Modes in drm_reset_display_info.
 - Assorted documentation updates.
 - Warn once in drm_clflush if there is no arch support.
 - Add missing select for dp helper in drm_panel_edp.
 - Assorted small fixes.
 - Improve fb-helper's clipping handling.
 - Don't dump shmem mmaps in a core dump.
 - Add accounting to ttm resource manager, and use it in amdgpu.
 - Allow querying the detected eDP panel through debugfs.
 - Add helpers for xrgb8888 to 8 and 1 bits gray.
 - Improve drm's buddy allocator.
 - Add selftests for the buddy allocator.
 
 Driver Changes:
 - Add support for nomodeset to a lot of drm drivers.
 - Use drm_module_*_driver in a lot of drm drivers.
 - Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau,
   bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86.
 - Add bridge/it6505.
 - Create DP and DVI-I connectors in ast.
 - Assorted nouveau backlight fixes.
 - Rework amdgpu reset handling.
 - Add dt bindings for ingenic,jz4780-dw-hdmi.
 - Support reading edid through aux channel in ingenic.
 - Add a drm driver for Solomon SSD130x OLED displays.
 - Add simple support for sharp LQ140M1JW46.
 - Add more panels to nt35560.
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Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.18:

UAPI Changes:

Cross-subsystem Changes:
- Split out panel-lvds and lvds dt bindings .
- Put yes/no on/off disabled/enabled strings in linux/string_helpers.h
  and use it in drivers and tomoyo.
- Clarify dma_fence_chain and dma_fence_array should never include eachother.
- Flatten chains in syncobj's.
- Don't double add in fbdev/defio when page is already enlisted.
- Don't sort deferred-I/O pages by default in fbdev.

Core Changes:
- Fix missing pm_runtime_put_sync in bridge.
- Set modifier support to only linear fb modifier if drivers don't
  advertise support.
- As a result, we remove allow_fb_modifiers.
- Add missing clear for EDID Deep Color Modes in drm_reset_display_info.
- Assorted documentation updates.
- Warn once in drm_clflush if there is no arch support.
- Add missing select for dp helper in drm_panel_edp.
- Assorted small fixes.
- Improve fb-helper's clipping handling.
- Don't dump shmem mmaps in a core dump.
- Add accounting to ttm resource manager, and use it in amdgpu.
- Allow querying the detected eDP panel through debugfs.
- Add helpers for xrgb8888 to 8 and 1 bits gray.
- Improve drm's buddy allocator.
- Add selftests for the buddy allocator.

Driver Changes:
- Add support for nomodeset to a lot of drm drivers.
- Use drm_module_*_driver in a lot of drm drivers.
- Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau,
  bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86.
- Add bridge/it6505.
- Create DP and DVI-I connectors in ast.
- Assorted nouveau backlight fixes.
- Rework amdgpu reset handling.
- Add dt bindings for ingenic,jz4780-dw-hdmi.
- Support reading edid through aux channel in ingenic.
- Add a drm driver for Solomon SSD130x OLED displays.
- Add simple support for sharp LQ140M1JW46.
- Add more panels to nt35560.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/686ec871-e77f-c230-22e5-9e3bb80f064a@linux.intel.com
2022-02-25 05:50:18 +10:00
Dave Airlie
7f44571b53 Linux core:
-----------
 iosys-map: Add offset to iosys_map_memcpy_to() (Lucas)
 iosys-map: Add a few more helpers (Lucas)
 
 i915 (display and core changes on drm-intel-next):
 --------------------------------------------------
 
 - Display's DBuf and watermark related fixes and improvements (Ville)
 - More i915 header and other code clean-up (Jani)
 - Display IPS fixes and improvements (Ville)
 - OPRegion fixes and cleanups (Jani)
 - Fix the plane end Y offset check for FBC (Ville)
 - DP 128b/132b updates (Jani)
 - Disable runtime pm wakeref tracking for the mock device selftest (Ville)
 - Many display code clean-up while targeting to fix up DP DFP 4:2:0 handling (Ville)
 - Bigjoiner state tracking and more bigjoiner related work (Ville)
 - Update DMC_DEBUG3 register for DG1 (Chuansheng)
 - SAGV fixes (Ville)
 - More GT register cleanup (Matt)
 - Fix build issue when using clang (Tong)
 - Display DG2 fixes (Matt)
 - ADL-P PHY related fixes (Imre)
 - PSR2 fixes (Jose)
 - Add PCH Support for Alder Lake N (Tejas)
 
 drm-intel-gt-next (drm-intel-gt-next-2022-02-17):
 -------------------------------------------------
 UAPI Changes:
 
 - Weak parallel submission support for execlists
 
   Minimal implementation of the parallel submission support for
   execlists backend that was previously only implemented for GuC.
   Support one sibling non-virtual engine.
 
 Core Changes:
 
 - Two backmerges of drm/drm-next for header file renames/changes and
   i915_regs reorganization
 
 Driver Changes:
 
 - Add new DG2 subplatform: DG2-G12 (Matt R)
 - Add new DG2 workarounds (Matt R, Ram, Bruce)
 - Handle pre-programmed WOPCM registers for DG2+ (Daniele)
 - Update guc shim control programming on XeHP SDV+ (Daniele)
 - Add RPL-S C0/D0 stepping information (Anusha)
 - Improve GuC ADS initialization to work on ARM64 on dGFX (Lucas)
 
 - Fix KMD and GuC race on accessing PMU busyness (Umesh)
 - Use PM timestamp instead of RING TIMESTAMP for reference in PMU with GuC (Umesh)
 - Report error on invalid reset notification from GuC (John)
 - Avoid WARN splat by holding RPM wakelock during PXP unbind (Juston)
 - Fixes to parallel submission implementation (Matt B.)
 - Improve GuC loading status check/error reports (John)
 - Tweak TTM LRU priority hint selection (Matt A.)
 - Align the plane_vma to min_page_size of stolen mem (Ram)
 
 - Introduce vma resources and implement async unbinding (Thomas)
 - Use struct vma_resource instead of struct vma_snapshot (Thomas)
 - Return some TTM accel move errors instead of trying memcpy move (Thomas)
 - Fix a race between vma / object destruction and unbinding (Thomas)
 - Remove short-term pins from execbuf (Maarten)
 - Update to GuC version 69.0.3 (John, Michal Wa.)
 - Improvements to GT reset paths in GuC backend (Matt B.)
 - Use shrinker_release_pages instead of writeback in shmem object hooks (Matt A., Tvrtko)
 - Use trylock instead of blocking lock when freeing GEM objects (Maarten)
 - Allocate intel_engine_coredump_alloc with ALLOW_FAIL (Matt B.)
 - Fixes to object unmapping and purging (Matt A)
 - Check for wedged device in GuC backend (John)
 - Avoid lockdep splat by locking dpt_obj around set_cache_level (Maarten)
 - Allow dead vm to unbind vma's without lock (Maarten)
 - s/engine->i915/i915/ for DG2 engine workarounds (Matt R)
 
 - Use to_gt() helper for GGTT accesses (Michal Wi.)
 - Selftest improvements (Matt B., Thomas, Ram)
 - Coding style and compiler warning fixes (Matt B., Jasmine, Andi, Colin, Gustavo, Dan)
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Merge tag 'drm-intel-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Linux core:
-----------
iosys-map: Add offset to iosys_map_memcpy_to() (Lucas)
iosys-map: Add a few more helpers (Lucas)

i915 (display and core changes on drm-intel-next):
--------------------------------------------------

- Display's DBuf and watermark related fixes and improvements (Ville)
- More i915 header and other code clean-up (Jani)
- Display IPS fixes and improvements (Ville)
- OPRegion fixes and cleanups (Jani)
- Fix the plane end Y offset check for FBC (Ville)
- DP 128b/132b updates (Jani)
- Disable runtime pm wakeref tracking for the mock device selftest (Ville)
- Many display code clean-up while targeting to fix up DP DFP 4:2:0 handling (Ville)
- Bigjoiner state tracking and more bigjoiner related work (Ville)
- Update DMC_DEBUG3 register for DG1 (Chuansheng)
- SAGV fixes (Ville)
- More GT register cleanup (Matt)
- Fix build issue when using clang (Tong)
- Display DG2 fixes (Matt)
- ADL-P PHY related fixes (Imre)
- PSR2 fixes (Jose)
- Add PCH Support for Alder Lake N (Tejas)

drm-intel-gt-next (drm-intel-gt-next-2022-02-17):
-------------------------------------------------
UAPI Changes:

- Weak parallel submission support for execlists

  Minimal implementation of the parallel submission support for
  execlists backend that was previously only implemented for GuC.
  Support one sibling non-virtual engine.

Core Changes:

- Two backmerges of drm/drm-next for header file renames/changes and
  i915_regs reorganization

Driver Changes:

- Add new DG2 subplatform: DG2-G12 (Matt R)
- Add new DG2 workarounds (Matt R, Ram, Bruce)
- Handle pre-programmed WOPCM registers for DG2+ (Daniele)
- Update guc shim control programming on XeHP SDV+ (Daniele)
- Add RPL-S C0/D0 stepping information (Anusha)
- Improve GuC ADS initialization to work on ARM64 on dGFX (Lucas)

- Fix KMD and GuC race on accessing PMU busyness (Umesh)
- Use PM timestamp instead of RING TIMESTAMP for reference in PMU with GuC (Umesh)
- Report error on invalid reset notification from GuC (John)
- Avoid WARN splat by holding RPM wakelock during PXP unbind (Juston)
- Fixes to parallel submission implementation (Matt B.)
- Improve GuC loading status check/error reports (John)
- Tweak TTM LRU priority hint selection (Matt A.)
- Align the plane_vma to min_page_size of stolen mem (Ram)

- Introduce vma resources and implement async unbinding (Thomas)
- Use struct vma_resource instead of struct vma_snapshot (Thomas)
- Return some TTM accel move errors instead of trying memcpy move (Thomas)
- Fix a race between vma / object destruction and unbinding (Thomas)
- Remove short-term pins from execbuf (Maarten)
- Update to GuC version 69.0.3 (John, Michal Wa.)
- Improvements to GT reset paths in GuC backend (Matt B.)
- Use shrinker_release_pages instead of writeback in shmem object hooks (Matt A., Tvrtko)
- Use trylock instead of blocking lock when freeing GEM objects (Maarten)
- Allocate intel_engine_coredump_alloc with ALLOW_FAIL (Matt B.)
- Fixes to object unmapping and purging (Matt A)
- Check for wedged device in GuC backend (John)
- Avoid lockdep splat by locking dpt_obj around set_cache_level (Maarten)
- Allow dead vm to unbind vma's without lock (Maarten)
- s/engine->i915/i915/ for DG2 engine workarounds (Matt R)

- Use to_gt() helper for GGTT accesses (Michal Wi.)
- Selftest improvements (Matt B., Thomas, Ram)
- Coding style and compiler warning fixes (Matt B., Jasmine, Andi, Colin, Gustavo, Dan)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YhbDan8wNZBR6FzF@intel.com
2022-02-25 05:26:55 +10:00
Linus Torvalds
73878e5eb1 block-5.17-2022-02-24
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Merge tag 'block-5.17-2022-02-24' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request:
    - send H2CData PDUs based on MAXH2CDATA (Varun Prakash)
    - fix passthrough to namespaces with unsupported features (Christoph
      Hellwig)

 - Clear iocb->private at poll completion (Stefano)

* tag 'block-5.17-2022-02-24' of git://git.kernel.dk/linux-block:
  nvme-tcp: send H2CData PDUs based on MAXH2CDATA
  nvme: also mark passthrough-only namespaces ready in nvme_update_ns_info
  nvme: don't return an error from nvme_configure_metadata
  block: clear iocb->private in blkdev_bio_end_io_async()
2022-02-24 11:15:10 -08:00
Rafael J. Wysocki
46501add15 - Added dtpm hierarchy description (Daniel Lezcano)
- Changed the locking scheme (Daniel Lezcano)
 
 - Fixed dtpm_cpu cleanup at exit time and missing virtual dtpm pointer
   release (Daniel Lezcano)
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Merge tag 'dtpm-v5.18' of https://git.linaro.org/people/daniel.lezcano/linux

Pull DTPM (Dynamic Thermal Power Management) changes for 5.18-rc1 from
Daniel Lezcano:

"- Added dtpm hierarchy description (Daniel Lezcano)

 - Changed the locking scheme (Daniel Lezcano)

 - Fixed dtpm_cpu cleanup at exit time and missing virtual dtpm pointer
   release (Daniel Lezcano)"

* tag 'dtpm-v5.18' of https://git.linaro.org/people/daniel.lezcano/linux:
  dtpm/soc/rk3399: Add the ability to unload the module
  powercap/dtpm_cpu: Add exit function
  powercap/dtpm: Move the 'root' reset place
  powercap/dtpm: Destroy hierarchy function
  powercap/dtpm: Fixup kfree for virtual node
  powercap/dtpm_cpu: Reset per_cpu variable in the release function
  powercap/dtpm: Change locking scheme
  rockchip/soc/drivers: Add DTPM description for rk3399
  powercap/drivers/dtpm: Add dtpm devfreq with energy model support
  powercap/drivers/dtpm: Add CPU DT initialization support
  powercap/drivers/dtpm: Add hierarchy creation
  powercap/drivers/dtpm: Convert the init table section to a simple array
2022-02-24 20:00:32 +01:00
Rafael J. Wysocki
c5eb92f57d Merge branch 'cpufreq/arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull ARM cpufreq fixes for 5.18-rc6 from Viresh Kumar:

"This fixes issues related to throttle IRQ for Qcom SoCs."

* 'cpufreq/arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  cpufreq: qcom-hw: Delay enabling throttle_irq
  cpufreq: Reintroduce ready() callback
2022-02-24 19:54:59 +01:00
Christophe Leroy
0cc62aed37 sizes.h: Add SZ_1T macro
Today drivers/pci/controller/pci-xgene.c defines SZ_1T

Move it into linux/sizes.h so that it can be re-used elsewhere.

Link: https://lore.kernel.org/r/575cb7164cf124c75df7cb9242ea7374733942bf.1642752946.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Toan Le <toan@os.amperecomputing.com>
Cc: linux-pci@vger.kernel.org
2022-02-24 15:04:51 +00:00
Amir Goldstein
04e317ba72 fsnotify: optimize FS_MODIFY events with no ignored masks
fsnotify() treats FS_MODIFY events specially - it does not skip them
even if the FS_MODIFY event does not apear in the object's fsnotify
mask.  This is because send_to_group() checks if FS_MODIFY needs to
clear ignored mask of marks.

The common case is that an object does not have any mark with ignored
mask and in particular, that it does not have a mark with ignored mask
and without the FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY flag.

Set FS_MODIFY in object's fsnotify mask during fsnotify_recalc_mask()
if object has a mark with an ignored mask and without the
FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY flag and remove the special
treatment of FS_MODIFY in fsnotify(), so that FS_MODIFY events could
be optimized in the common case.

Call fsnotify_recalc_mask() from fanotify after adding or removing an
ignored mask from a mark without FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY
or when adding the FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY flag to a mark
with ignored mask (the flag cannot be removed by fanotify uapi).

Performance results for doing 10000000 write(2)s to tmpfs:

				vanilla		patched
without notification mark	25.486+-1.054	24.965+-0.244
with notification mark		30.111+-0.139	26.891+-1.355

So we can see the overhead of notification subsystem has been
drastically reduced.

Link: https://lore.kernel.org/r/20220223151438.790268-3-amir73il@gmail.com
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
2022-02-24 14:05:18 +01:00
Amir Goldstein
4f0b903ded fsnotify: fix merge with parent's ignored mask
fsnotify_parent() does not consider the parent's mark at all unless
the parent inode shows interest in events on children and in the
specific event.

So unless parent added an event to both its mark mask and ignored mask,
the event will not be ignored.

Fix this by declaring the interest of an object in an event when the
event is in either a mark mask or ignored mask.

Link: https://lore.kernel.org/r/20220223151438.790268-2-amir73il@gmail.com
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
2022-02-24 14:04:51 +01:00
Ricardo Rivera-Matos
05f2281b41 power: supply: Introduces bypass charging property
Adds a POWER_SUPPLY_CHARGE_TYPE_BYPASS option to the POWER_SUPPLY_PROP_CHARGE_TYPE
property to facilitate bypass charging operation.

In bypass charging operation, the charger bypasses the charging path around the
integrated converter allowing for a "smart" wall adaptor to perform the power
conversion externally.

This operational mode is critical for the USB PPS standard of power adaptors and is
becoming a common feature in modern charging ICs such as:

- BQ25980
- BQ25975
- BQ25960
- LN8000
- LN8410

Signed-off-by: Ricardo Rivera-Matos <rriveram@opensource.cirrus.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-02-24 12:09:20 +01:00
Marc Kleine-Budde
5597f082fc can: bittiming: mark function arguments and local variables as const
This patch marks the arguments of some functions as well as some local
variables as constant.

Link: https://lore.kernel.org/all/20220124215642.3474154-7-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-02-24 08:26:03 +01:00
Subbaraya Sundeep
1241e329ce ethtool: add support to set/get completion queue event size
Add support to set completion queue event size via ethtool -G
parameter and get it via ethtool -g parameter.

~ # ./ethtool -G eth0 cqe-size 512
~ # ./ethtool -g eth0
Ring parameters for eth0:
Pre-set maximums:
RX:             1048576
RX Mini:        n/a
RX Jumbo:       n/a
TX:             1048576
Current hardware settings:
RX:             256
RX Mini:        n/a
RX Jumbo:       n/a
TX:             4096
RX Buf Len:             2048
CQE Size:                128

Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-02-23 20:33:05 -08:00
Moshe Shemesh
45fee8edb4 net/mlx5: Add clarification on sync reset failure
In case devlink reload action fw_activate failed in sync reset stage,
use the new MFRL field reset_state to find why it failed and share this
clarification with the user.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-02-23 15:21:59 -08:00
Moshe Shemesh
72fb3b60a3 net/mlx5: Add reset_state field to MFRL register
Add new field reset_state to MFRL register. This field expose current
state of sync reset for fw update. This field enables sharing with the
user more details on why fw activate failed in case it failed the sync
reset stage.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-02-23 15:21:59 -08:00
Saeed Mahameed
0a41527608 net/mlx5: cmdif, Refactor error handling and reporting of async commands
Same as the new mlx5_cmd_do API, report all information to callers and
let them handle the error values and outbox parsing.

The user callback status "work->user_callback(status)" is now similar to
the error rc code returned from the blocking mlx5_cmd_do() version,
and now is defined as follows:

 -EREMOTEIO : Command executed by FW, outbox.status != MLX5_CMD_STAT_OK.
              Caller must check FW outbox status.
 0 : Command execution successful,  outbox.status == MLX5_CMD_STAT_OK.
 < 0 : Command couldn't execute, FW or driver induced error.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-02-23 15:21:59 -08:00
Saeed Mahameed
31803e5923 net/mlx5: Use mlx5_cmd_do() in core create_{cq,dct}
mlx5_core_create_{cq/dct} functions are non-trivial mlx5 commands
functions. They check command execution status themselves and hide
valuable FW failure information.

For mlx5_core/eth kernel user this is what we actually want, but for a
devx/rdma user the hidden information is essential and should be propagated
up to the caller, thus we convert these commands to use mlx5_cmd_do
to return the FW/driver and command outbox status as is, and let the caller
decide what to do with it.

For kernel callers of mlx5_core_create_{cq/dct} or those who only care about
the binary status (FAIL/SUCCESS) they must check status themselves via
mlx5_cmd_check() to restore the current behavior.

err = mlx5_create_cq(in, out)
err = mlx5_cmd_check(err, in, out)
if (err)
    // handle err

For DEVX users and those who care about full visibility, They will just
propagate the error to user space, and app can check if err == -EREMOTEIO,
then outbox.{status,syndrome} are valid.

API Note:
mlx5_cmd_check() must be used by kernel users since it allows the driver
to intercept the command execution status and return a driver simulated
status in case of driver induced error handling or reset/recovery flows.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-02-23 15:21:59 -08:00
Saeed Mahameed
f23519e542 net/mlx5: cmdif, Add new api for command execution
Add mlx5_cmd_do. Unlike mlx5_cmd_exec, this function will not modify
or translate outbox.status.

The function will return:

return = 0: Command was executed, outbox.status == MLX5_CMD_STAT_OK.

return = -EREMOTEIO: Executed, outbox.status != MLX5_CMD_STAT_OK.

return < 0: Command execution couldn't be performed by FW or driver.

And document other mlx5_cmd_exec functions.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-02-23 15:21:59 -08:00
Saeed Mahameed
605bef0015 net/mlx5: cmdif, cmd_check refactoring
Do not mangle the command outbox in the internal low level cmd_exec and
cmd_invoke functions.

Instead return a proper unique error code and move the driver error
checking to be at a higher level in mlx5_cmd_exec().

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-02-23 15:21:59 -08:00
Mark Bloch
c2c922dae7 net/mlx5: Add ability to insert to specific flow group
If the flow table isn't an autogroup the upper driver has to create the
flow groups explicitly. This information can't later be used when
creating rules to insert into a specific flow group. Allow such use case.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-02-23 15:21:58 -08:00
Jakub Kicinski
43c075959d mlx5: remove unused static inlines
mlx5 has some unused static inline helpers in include/
while at it also clean static inlines in the driver itself.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-02-23 15:21:36 -08:00
Rodrigo Vivi
30424ebae8 Merge tag 'drm-intel-gt-next-2022-02-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-intel-next
UAPI Changes:

- Weak parallel submission support for execlists

  Minimal implementation of the parallel submission support for
  execlists backend that was previously only implemented for GuC.
  Support one sibling non-virtual engine.

Core Changes:

- Two backmerges of drm/drm-next for header file renames/changes and
  i915_regs reorganization

Driver Changes:

- Add new DG2 subplatform: DG2-G12 (Matt R)
- Add new DG2 workarounds (Matt R, Ram, Bruce)
- Handle pre-programmed WOPCM registers for DG2+ (Daniele)
- Update guc shim control programming on XeHP SDV+ (Daniele)
- Add RPL-S C0/D0 stepping information (Anusha)
- Improve GuC ADS initialization to work on ARM64 on dGFX (Lucas)

- Fix KMD and GuC race on accessing PMU busyness (Umesh)
- Use PM timestamp instead of RING TIMESTAMP for reference in PMU with GuC (Umesh)
- Report error on invalid reset notification from GuC (John)
- Avoid WARN splat by holding RPM wakelock during PXP unbind (Juston)
- Fixes to parallel submission implementation (Matt B.)
- Improve GuC loading status check/error reports (John)
- Tweak TTM LRU priority hint selection (Matt A.)
- Align the plane_vma to min_page_size of stolen mem (Ram)

- Introduce vma resources and implement async unbinding (Thomas)
- Use struct vma_resource instead of struct vma_snapshot (Thomas)
- Return some TTM accel move errors instead of trying memcpy move (Thomas)
- Fix a race between vma / object destruction and unbinding (Thomas)
- Remove short-term pins from execbuf (Maarten)
- Update to GuC version 69.0.3 (John, Michal Wa.)
- Improvements to GT reset paths in GuC backend (Matt B.)
- Use shrinker_release_pages instead of writeback in shmem object hooks (Matt A., Tvrtko)
- Use trylock instead of blocking lock when freeing GEM objects (Maarten)
- Allocate intel_engine_coredump_alloc with ALLOW_FAIL (Matt B.)
- Fixes to object unmapping and purging (Matt A)
- Check for wedged device in GuC backend (John)
- Avoid lockdep splat by locking dpt_obj around set_cache_level (Maarten)
- Allow dead vm to unbind vma's without lock (Maarten)
- s/engine->i915/i915/ for DG2 engine workarounds (Matt R)

- Use to_gt() helper for GGTT accesses (Michal Wi.)
- Selftest improvements (Matt B., Thomas, Ram)
- Coding style and compiler warning fixes (Matt B., Jasmine, Andi, Colin, Gustavo, Dan)

From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Yg4i2aCZvvee5Eai@jlahtine-mobl.ger.corp.intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[Fixed conflicts while applying, using the fixups/drm-intel-gt-next.patch
from drm-rerere's 1f2b1742abdd ("2022y-02m-23d-16h-07m-57s UTC: drm-tip
rerere cache update")]
2022-02-23 15:03:51 -05:00
Linus Torvalds
4eb0a7c8e1 slab fixes for 5.17-rc6
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Merge tag 'slab-for-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab fixes from Vlastimil Babka:

 - Build fix (workaround) for clang.

 - Fix a /proc/kcore based slabinfo script broken by struct slab changes
   in 5.17-rc1.

* tag 'slab-for-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  tools/cgroup/slabinfo: update to work with struct slab
  slab: remove __alloc_size attribute from __kmalloc_track_caller
2022-02-23 11:33:12 -08:00
Daniel Lezcano
c404c64d64 powercap/dtpm: Destroy hierarchy function
The hierarchy creation function exits but without a destroy hierarchy
function. Due to that, the modules creating the hierarchy can not be
unloaded properly because they don't have an exit callback.

Provide the dtpm_destroy_hierarchy() function to remove the previously
created hierarchy.

The function relies on all the release mechanisms implemented by the
underlying powercap framework.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20220130210210.549877-4-daniel.lezcano@linaro.org
2022-02-23 19:45:40 +01:00
Greg Kroah-Hartman
f2eb478f2f kernfs: move struct kernfs_root out of the public view.
There is no need to have struct kernfs_root be part of kernfs.h for
the whole kernel to see and poke around it.  Move it internal to kernfs
code and provide a helper function, kernfs_root_to_node(), to handle the
one field that kernfs users were directly accessing from the structure.

Cc: Imran Khan <imran.f.khan@oracle.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220222070713.3517679-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-23 15:46:34 +01:00
Varun Prakash
c2700d2886 nvme-tcp: send H2CData PDUs based on MAXH2CDATA
As per NVMe/TCP specification (revision 1.0a, section 3.6.2.3)
Maximum Host to Controller Data length (MAXH2CDATA): Specifies the
maximum number of PDU-Data bytes per H2CData PDU in bytes. This value
is a multiple of dwords and should be no less than 4,096.

Current code sets H2CData PDU data_length to r2t_length,
it does not check MAXH2CDATA value. Fix this by setting H2CData PDU
data_length to min(req->h2cdata_left, queue->maxh2cdata).

Also validate MAXH2CDATA value returned by target in ICResp PDU,
if it is not a multiple of dword or if it is less than 4096 return
-EINVAL from nvme_tcp_init_connection().

Signed-off-by: Varun Prakash <varun@chelsio.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-23 14:43:11 +01:00
Wolfram Sang
24e3bb7429 Merge tag 'irq-api-2022-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into i2c/for-mergewindow
Provide a tag for maintainers to pull the generic_handle_irq_safe() API.
2022-02-23 14:14:15 +01:00
Hans Schultz
a21d9a670d net: bridge: Add support for bridge port in locked mode
In a 802.1X scenario, clients connected to a bridge port shall not
be allowed to have traffic forwarded until fully authenticated.
A static fdb entry of the clients MAC address for the bridge port
unlocks the client and allows bidirectional communication.

This scenario is facilitated with setting the bridge port in locked
mode, which is also supported by various switchcore chipsets.

Signed-off-by: Hans Schultz <schultz.hans+netdev@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-02-23 12:52:34 +00:00