Commit Graph

904927 Commits

Author SHA1 Message Date
David S. Miller e00dd941ff Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:

====================
pull request (net): ipsec 2020-03-27

1) Handle NETDEV_UNREGISTER for xfrm device to handle asynchronous
   unregister events cleanly. From Raed Salem.

2) Fix vti6 tunnel inter address family TX through bpf_redirect().
   From Nicolas Dichtel.

3) Fix lenght check in verify_sec_ctx_len() to avoid a
   slab-out-of-bounds. From Xin Long.

4) Add a missing verify_sec_ctx_len check in xfrm_add_acquire
   to avoid a possible out-of-bounds to access. From Xin Long.

5) Use built-in RCU list checking of hlist_for_each_entry_rcu
   to silence false lockdep warning in __xfrm6_tunnel_spi_lookup
   when CONFIG_PROVE_RCU_LIST is enabled. From Madhuparna Bhowmik.

6) Fix a panic on esp offload when crypto is done asynchronously.
   From Xin Long.

7) Fix a skb memory leak in an error path of vti6_rcv.
   From Torsten Hilbrich.

8) Fix a race that can lead to a doulbe free in xfrm_policy_timer.
   From Xin Long.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-27 14:56:55 -07:00
Linus Torvalds 69c5eea312 Merge branch 'parisc-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parsic fix from Helge Deller:
 "Fix a recursive loop when running 'make ARCH=parisc defconfig'"

* 'parisc-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Fix defconfig selection
2020-03-27 14:34:03 -07:00
Linus Torvalds 32db9f10d5 ARM: DT and driver fixes for v5.6
For the devicetree files, there are a total of 20 patches, almost
 entirely for 32-bit machines:
 
 - The Allwinner/sun9i r40 SoC dtsi file contains a number of issues,
   both for correctness and for style that are addressed in separate
   patches. This causes most of the changed lines of the DT updates
   this time.
 
 - More Allwinner updates fixing the identification of the security
   system on sun8i/A33, a recent regression of the A83t ethernet, and a
   few board specific issues on the TBS-A711 macine.
 
 - Several bug fixes for OMAP dts files, most notably fixing the timings
   for the NAND flash on the Nokia N900 that regressed a while ago after
   the move to configuring them from DT.  Some other OMAPs now set the
   correct dma limits on the L3 bus, and a regression fix addresses lost
   Ethernet on dm814x
 
 - One incorrect setting in the newly added Raspberry Pi Zero W that
   may cause issues with the SD card controller.
 
 - A missing property on the bcm2835 firmware node caused incorrect
   DMA settings.
 
 - An old bug on the oxnas platform causing spurious interrupts is
   finally addressed.
 
 - A regression on the Exynos Midas board broke the OLED panel
   power supply.
 
 - The i.MX6 phycore SoM specified the wrong voltage for the SoC,
   this is now set to the values from the datasheet.
 
 - Some 64-bit machines use a deprecated string to identify the PSCI
   firmware.
 
 There are also several small code fixes addressing mostly serious
 issues:
 
 - Fix the sunxi rsb bus access to no longer return incorrect data when
   mixing 8 and 16 bit I/O.
 
 - Fix a suspend/resume regression on the OMAP2+ lcdc from a missing
   quirk in the ti-sysc driver
 
 - Fix a NULL pointer access from a race in the fsl dpio driver
 
 - Fix a v5.5 regression in the exynos-chipid driver that caused an
   invalid error code probing the device on non-exynos platforms
 
 - Fix an out-of-bounds access in the AMD TEE driver
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Merge tag 'arm-soc-fixes-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM DT and driver fixes from Arnd Bergmann:
 "For the devicetree files, there are a total of 20 patches, almost
  entirely for 32-bit machines:

   - The Allwinner/sun9i r40 SoC dtsi file contains a number of issues,
     both for correctness and for style that are addressed in separate
     patches. This causes most of the changed lines of the DT updates
     this time.

   - More Allwinner updates fixing the identification of the security
     system on sun8i/A33, a recent regression of the A83t ethernet, and
     a few board specific issues on the TBS-A711 macine.

   - Several bug fixes for OMAP dts files, most notably fixing the
     timings for the NAND flash on the Nokia N900 that regressed a while
     ago after the move to configuring them from DT. Some other OMAPs
     now set the correct dma limits on the L3 bus, and a regression fix
     addresses lost Ethernet on dm814x

   - One incorrect setting in the newly added Raspberry Pi Zero W that
     may cause issues with the SD card controller.

   - A missing property on the bcm2835 firmware node caused incorrect
     DMA settings.

   - An old bug on the oxnas platform causing spurious interrupts is
     finally addressed.

   - A regression on the Exynos Midas board broke the OLED panel power
     supply.

   - The i.MX6 phycore SoM specified the wrong voltage for the SoC, this
     is now set to the values from the datasheet.

   - Some 64-bit machines use a deprecated string to identify the PSCI
     firmware.

  There are also several small code fixes addressing mostly serious
  issues:

   - Fix the sunxi rsb bus access to no longer return incorrect data
     when mixing 8 and 16 bit I/O.

   - Fix a suspend/resume regression on the OMAP2+ lcdc from a missing
     quirk in the ti-sysc driver

   - Fix a NULL pointer access from a race in the fsl dpio driver

   - Fix a v5.5 regression in the exynos-chipid driver that caused an
     invalid error code probing the device on non-exynos platforms

   - Fix an out-of-bounds access in the AMD TEE driver"

* tag 'arm-soc-fixes-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
  soc: samsung: chipid: Fix return value on non-Exynos platforms
  arm64: dts: Fix leftover entry-methods for PSCI
  ARM: dts: exynos: Fix regulator node aliasing on Midas-based boards
  ARM: dts: oxnas: Fix clear-mask property
  ARM: dts: bcm283x: Fix vc4's firmware bus DMA limitations
  ARM: dts: omap5: Add bus_dma_limit for L3 bus
  ARM: dts: omap4-droid4: Fix lost touchscreen interrupts
  ARM: dts: dra7: Add bus_dma_limit for L3 bus
  ARM: bcm2835-rpi-zero-w: Add missing pinctrl name
  ARM: dts: sun8i: a33: add the new SS compatible
  dt-bindings: crypto: add new compatible for A33 SS
  ARM: dts: sun8i: r40: Move SPI device nodes based on address order
  ARM: dts: sun8i: r40: Fix register base address for SPI2 and SPI3
  ARM: dts: sun8i: r40: Move AHCI device node based on address order
  ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage
  soc: fsl: dpio: register dpio irq handlers after dpio create
  tee: amdtee: out of bounds read in find_session()
  ARM: dts: N900: fix onenand timings
  bus: ti-sysc: Fix quirk flags for lcdc on am335x
  ARM: dts: Fix dm814x Ethernet by changing to use rgmii-id mode
  ...
2020-03-27 13:52:32 -07:00
Chaitanya Kulkarni 766c3297d7 null_blk: add trace in null_blk_zoned.c
With the help of previously added tracepoints we can now trace
report-zones, zone-write and zone-mgmt ops in null_blk_zoned.c.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 13:39:10 -06:00
Chaitanya Kulkarni c51d041998 null_blk: add tracepoint helpers for zoned mode
This patch adds two new tracpoints for null_blk_zoned.c that allows us
to trace report-zones, zone-mgmt-op and zone-write operations which has
direct effect on the zone condition state machine.

Also, we update drivers/block/Makefile so that new null_blk related
tracefiles can be compiled.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 13:39:10 -06:00
Chaitanya Kulkarni 02694e8635 block: add a zone condition debug helper
Add a helper to stringify the zone conditions. We use this helper in the
next patch to track zone conditions in tracepoints.

Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 13:39:09 -06:00
Linus Torvalds 823846c310 Last Minute RISC-V Patches for 5.6
Sorry for the last minute patches, but a few things fell through the cracks
 recently.  I was on the fence about sending a late PR just for the M-mode
 fixes, as we don't really have any users, but the last patch fixes the build
 for Fedora which I consider pretty important.  Given that the M-mode fixes
 should be very low risk, I figured it's worth sending them along as well.
 
 This passes my standard "boot in QEMU" test.
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Merge tag 'riscv-for-linus-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:
 "Sorry for the last minute patches, but a few things fell through the
  cracks recently. I was on the fence about sending a late pull request
  just for the M-mode fixes, as we don't really have any users, but the
  last patch fixes the build for Fedora which I consider pretty
  important.

  Given that the M-mode fixes should be very low risk, I figured it's
  worth sending them along as well.

  Thhis passes my standard 'boot in QEMU' test"

* tag 'riscv-for-linus-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  RISC-V: Move all address space definition macros to one place
  RISC-V: Only select essential drivers for SOC_VIRT config
  riscv: fix the IPI missing issue in nommu mode
  riscv: uaccess should be used in nommu mode
2020-03-27 11:06:10 -07:00
Christoph Hellwig 130879f1ee block: move bio_map_* to blk-map.c
The bio_map_* helpers are just the low-level helpers for the
blk_rq_map_* APIs.  Move them together for better logical grouping,
as no there isn't much overlap with other code in bio.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 12:04:34 -06:00
Linus Torvalds bb36d37e29 Devicetree fix for 5.6, take 4:
A single fix for building dtc with GCC 10.
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Merge tag 'devicetree-fixes-for-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree fix from Rob Herring:
 "A single fix for building dtc with GCC 10"

* tag 'devicetree-fixes-for-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  scripts/dtc: Remove redundant YYLOC global declaration
2020-03-27 11:02:52 -07:00
Linus Torvalds 1fa8cb0b7b arm64 fix for -rc8/final
- Fix defconfig build when using Clang's integrated assembler
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fix from Will Deacon:
 "Fix defconfig build when using Clang's integrated assembler"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: alternative: fix build with clang integrated assembler
2020-03-27 10:50:31 -07:00
Nick Desaulniers abcb1e021a Documentation: x86: exception-tables: document CONFIG_BUILDTIME_TABLE_SORT
Provide more information about __ex_table sorting post link.

The exception tables and fixup tables use a commonly recurring pattern
in the kernel of storing the address of labels as date in custom ELF
sections, then finding these sections, iterating elements within them,
and possibly revisiting them or modifying the data at these addresses.

Sorting readonly arrays to minimize runtime penalties is quite clever.

Suggested-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20200327000951.84071-1-ndesaulniers@google.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-27 10:50:01 -06:00
Linus Torvalds 527630fbf4 A handful of clk driver fixes. Mostly they're around the i.MX drivers
fixing the parents of a few clks and making KASAN happy with how the
 message passing code works. Besides that we have a TI driver fix for the
 RTC parent and a fix for the basic gate type registration functions
 introduced this release where they didn't actually pass the arguments in
 the right places to the multiplexer function down below.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A handful of clk driver fixes.

  Mostly they're around the i.MX drivers fixing the parents of a few
  clks and making KASAN happy with how the message passing code works.

  Besides that we have a TI driver fix for the RTC parent and a fix for
  the basic gate type registration functions introduced this release
  where they didn't actually pass the arguments in the right places to
  the multiplexer function down below"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: imx: Align imx sc clock parent msg structs to 4
  clk: imx: Align imx sc clock msg structs to 4
  clk: Pass correct arguments to __clk_hw_register_gate()
  clk: ti: am43xx: Fix clock parent for RTC clock
  clk: imx8mp: Correct the enet_qos parent clock
  clk: imx8mp: Correct IMX8MP_CLK_HDMI_AXI clock parent
2020-03-27 09:33:48 -07:00
Christoph Hellwig f01b411f41 Revert "blkdev: check for valid request queue before issuing flush"
This reverts commit f10d9f617a.

We can't have queues without a make_request_fn any more (and the
loop device uses blk-mq these days anyway..).

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 10:23:44 -06:00
Christoph Hellwig 3d745ea5b0 block: simplify queue allocation
Current make_request based drivers use either blk_alloc_queue_node or
blk_alloc_queue to allocate a queue, and then set up the make_request_fn
function pointer and a few parameters using the blk_queue_make_request
helper.  Simplify this by passing the make_request pointer to
blk_alloc_queue, and while at it merge the _node variant into the main
helper by always passing a node_id, and remove the superfluous gfp_mask
parameter.  A lower-level __blk_alloc_queue is kept for the blk-mq case.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 10:23:43 -06:00
Christoph Hellwig ff27668ce8 bcache: pass the make_request methods to blk_queue_make_request
bcache is the only driver not actually passing its make_request
methods to blk_queue_make_request, but instead just sets them up
manually a little later.  Make bcache follow the common way of
setting up make_request based queues.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 10:23:43 -06:00
Christoph Hellwig 8d96a1117c null_blk: use blk_mq_init_queue_data
Use the new blk_mq_init_queue_data instead of open coding the queue
allocation and initialization.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 10:23:43 -06:00
Christoph Hellwig 2f227bb999 block: add a blk_mq_init_queue_data helper
This allows a driver to pass a queuedata member before ->init_hctx is
called.  null_blk currently open codes this logic, but I'd rather have
it in the core to ease future maintainance.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 10:23:43 -06:00
Linus Torvalds 7bf8df68cb drm fixes for 5.6-rc8/final
radeon/amdgpu/dma-buf:
 - sg list fixes
 
 scheduler:
 - oops fix
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Merge tag 'drm-fixes-2020-03-27' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Pretty quiet: some minor sg mapping fixes for 3 drivers, and a single
  oops fix for the scheduler. I'm hoping nobody tries to send me a fixes
  pull today but I'll keep an eye out of the weekend.

  radeon/amdgpu/dma-buf:
   - sg list fixes

  scheduler:
   - oops fix"

* tag 'drm-fixes-2020-03-27' of git://anongit.freedesktop.org/drm/drm:
  drm/scheduler: fix rare NULL ptr race
  drm/radeon: fix scatter-gather mapping with user pages
  drm/amdgpu: fix scatter-gather mapping with user pages
  drm/prime: use dma length macro when mapping sg
2020-03-27 09:21:52 -07:00
Mark Brown 1ba0b52ea7
Merge branch 'spi-5.7' into spi-next 2020-03-27 15:53:00 +00:00
Linus Walleij ebb3b9a92b
spi: efm32: Convert to use GPIO descriptors
This switches the EFM32 driver over to use the GPIO descriptor
handling in the core. The GPIO handling in this driver is
pretty simplistic so this should just work. Drop the GPIO headers
and insert the implicitly included <linux/of.h> header.

Signed-off-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Uwe Kleine-König <u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Link: https://lore.kernel.org/r/20200317094914.331932-1-linus.walleij@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-27 15:52:23 +00:00
Christoph Hellwig 348e114bbd block: move the ->devnode callback to struct block_device_operations
There really isn't any good reason to stash a method directly into
struct gendisk.  Move it together with the other block device
operations.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 09:50:05 -06:00
Matthias Reichl 62d65bdd9d USB: cdc-acm: restore capability check order
commit b401f8c4f4 ("USB: cdc-acm: fix rounding error in TIOCSSERIAL")
introduced a regression by changing the order of capability and close
settings change checks. When running with CAP_SYS_ADMIN setting the
close settings to the values already set resulted in -EOPNOTSUPP.

Fix this by changing the check order back to how it was before.

Fixes: b401f8c4f4 ("USB: cdc-acm: fix rounding error in TIOCSSERIAL")
Cc: Anthony Mallet <anthony.mallet@laas.fr>
Cc: stable <stable@vger.kernel.org>
Cc: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Matthias Reichl <hias@horus.com>
Link: https://lore.kernel.org/r/20200327150350.3657-1-hias@horus.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-27 16:24:16 +01:00
Greg Kroah-Hartman 18555cb6db Revert "driver core: Set fw_devlink to "permissive" behavior by default"
This reverts commit c442a0d187 as it
breaks some of the Raspberry Pi devices.  Marek writes:
	This patch has just landed in linux-next 20200326. Sadly it
	breaks booting of the Raspberry Pi3b and Pi4 boards, either in
	32bit or 64bit mode. There is no warning nor panic message, just
	a silent freeze. The last message shown on the earlycon is:

	[    0.893217] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled

so revert it for now and let's try again and add it to linux-next after
5.7-rc1 is out so that we can try to get more debugging/testing
happening.

Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Saravana Kannan <saravanak@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-27 16:17:30 +01:00
Xiaoguang Wang 3d9932a8b2 io_uring: cleanup io_alloc_async_ctx()
Cleanup io_alloc_async_ctx() a bit, add a new __io_alloc_async_ctx(),
so io_setup_async_rw() won't need to check whether async_ctx is true
or false again.

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-27 08:54:06 -06:00
Helge Deller ededa081ed parisc: Fix defconfig selection
Fix the recursive loop when running "make ARCH=parisc defconfig".

Fixes: 84669923e1 ("parisc: Regenerate parisc defconfigs")
Noticed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Helge Deller <deller@gmx.de>
2020-03-27 15:37:24 +01:00
Dirk Mueller e33a814e77 scripts/dtc: Remove redundant YYLOC global declaration
gcc 10 will default to -fno-common, which causes this error at link
time:

  (.text+0x0): multiple definition of `yylloc'; dtc-lexer.lex.o (symbol from plugin):(.text+0x0): first defined here

This is because both dtc-lexer as well as dtc-parser define the same
global symbol yyloc. Before with -fcommon those were merged into one
defintion. The proper solution would be to to mark this as "extern",
however that leads to:

  dtc-lexer.l:26:16: error: redundant redeclaration of 'yylloc' [-Werror=redundant-decls]
   26 | extern YYLTYPE yylloc;
      |                ^~~~~~
In file included from dtc-lexer.l:24:
dtc-parser.tab.h:127:16: note: previous declaration of 'yylloc' was here
  127 | extern YYLTYPE yylloc;
      |                ^~~~~~
cc1: all warnings being treated as errors

which means the declaration is completely redundant and can just be
dropped.

Signed-off-by: Dirk Mueller <dmueller@suse.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[robh: cherry-pick from upstream]
Cc: stable@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2020-03-27 08:31:13 -06:00
Yubo Xie 749da8ca97 clocksource/drivers/hyper-v: Make sched clock return nanoseconds correctly
The sched clock read functions return the HV clock (100ns granularity)
without converting it to nanoseconds.

Add the missing conversion.

Fixes: bd00cd52d5 ("clocksource/drivers/hyperv: Add Hyper-V specific sched clock function")
Signed-off-by: Yubo Xie <yuboxie@microsoft.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20200327021159.31429-1-Tianyu.Lan@microsoft.com
2020-03-27 12:27:45 +01:00
Xiaoyao Li a6a6074103 x86/split_lock: Avoid runtime reads of the TEST_CTRL MSR
In a context switch from a task that is detecting split locks to one that
is not (or vice versa) we need to update the TEST_CTRL MSR. Currently this
is done with the common sequence:

        read the MSR
	flip the bit
	write the MSR
in order to avoid changing the value of any reserved bits in the MSR.

Cache unused and reserved bits of TEST_CTRL MSR with SPLIT_LOCK_DETECT bit
cleared during initialization, so we can avoid an expensive RDMSR
instruction during context switch.

Suggested-by: Sean Christopherson <sean.j.christopherson@intel.com>
Originally-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200325030924.132881-3-xiaoyao.li@intel.com
2020-03-27 11:43:30 +01:00
Xiaoyao Li dbaba47085 x86/split_lock: Rework the initialization flow of split lock detection
Current initialization flow of split lock detection has following issues:

1. It assumes the initial value of MSR_TEST_CTRL.SPLIT_LOCK_DETECT to be
   zero. However, it's possible that BIOS/firmware has set it.

2. X86_FEATURE_SPLIT_LOCK_DETECT flag is unconditionally set even if
   there is a virtualization flaw that FMS indicates the existence while
   it's actually not supported.

Rework the initialization flow to solve above issues. In detail, explicitly
clear and set split_lock_detect bit to verify MSR_TEST_CTRL can be
accessed, and rdmsr after wrmsr to ensure bit is cleared/set successfully.

X86_FEATURE_SPLIT_LOCK_DETECT flag is set only when the feature does exist
and the feature is not disabled with kernel param "split_lock_detect=off"

On each processor, explicitly updating the SPLIT_LOCK_DETECT bit based on
sld_sate in split_lock_init() since BIOS/firmware may touch it.

Originally-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200325030924.132881-2-xiaoyao.li@intel.com
2020-03-27 11:43:29 +01:00
Oscar Carter e681bb287f staging: vt6656: Use DIV_ROUND_UP macro instead of specific code
Use DIV_ROUND_UP macro instead of specific code with the same purpose.
Also, remove the unused variables.

Signed-off-by: Oscar Carter <oscar.carter@gmx.com>
Reviewed-by: Quentin Deslandes <quentin.deslandes@itdev.co.uk>
Link: https://lore.kernel.org/r/20200326175902.14467-1-oscar.carter@gmx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-27 10:05:52 +01:00
Greg Kroah-Hartman a10079c662 staging: remove hp100 driver
It's old, obsolete, and no one wants to take care of it anymore.

It's been in staging for 5 months with no one paying attention to it, so
let's just delete it for now.

If someone has this hardware, and wants the driver back, the deletion
can be easily reverted.

Cc: Joe Perches <joe@perches.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20200326080233.978323-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-27 10:01:11 +01:00
Linus Torvalds f3e69428b5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:

 - a fix to generate proper timestamps on key autorepeat events that
   were broken recently

 - a fix for Synaptics driver to only activate reduced reporting mode
   when explicitly requested

 - a new keycode for "selective screenshot" function

 - other assorted fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: fix stale timestamp on key autorepeat events
  Input: move the new KEY_SELECTIVE_SCREENSHOT keycode
  Input: avoid BIT() macro usage in the serio.h UAPI header
  Input: synaptics-rmi4 - set reduced reporting mode only when requested
  Input: synaptics - enable RMI on HP Envy 13-ad105ng
  Input: allocate keycode for "Selective Screenshot" key
  Input: tm2-touchkey - add support for Coreriver TC360 variant
  dt-bindings: input: add Coreriver TC360 binding
  dt-bindings: vendor-prefixes: Add Coreriver vendor prefix
  Input: raydium_i2c_ts - fix error codes in raydium_i2c_boot_trigger()
2020-03-26 20:49:44 -07:00
Marek Vasut 8262e6f9b1 net: ks8851-ml: Fix IO operations, again
This patch reverts 5829210483 ("net: ks8851-ml: Fix 16-bit IO operation")
and edacb098ea ("net: ks8851-ml: Fix 16-bit data access"), because it
turns out these were only necessary due to buggy hardware. This patch adds
a check for such a buggy hardware to prevent any such mistakes again.

While working further on the KS8851 driver, it came to light that the
KS8851-16MLL is capable of switching bus endianness by a hardware strap,
EESK pin. If this strap is incorrect, the IO accesses require such endian
swapping as is being reverted by this patch. Such swapping also impacts
the performance significantly.

Hence, in addition to removing it, detect that the hardware is broken,
report to user, and fail to bind with such hardware.

Fixes: 5829210483 ("net: ks8851-ml: Fix 16-bit IO operation")
Fixes: edacb098ea ("net: ks8851-ml: Fix 16-bit data access")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Petr Stetiar <ynezz@true.cz>
Cc: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-26 20:20:19 -07:00
Dave Airlie c4b979ebca Merge tag 'amd-drm-fixes-5.6-2020-03-26' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.6-2020-03-26:

Scheduler:
- Fix a race condition that could result in a segfault

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200326144538.3937-1-alexander.deucher@amd.com
2020-03-27 13:03:17 +10:00
Dave Airlie 5117c363eb drm-misc-fixes for v5.6:
- SG fixes for prime, radeon and amdgpu.
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Merge tag 'drm-misc-fixes-2020-03-26' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes for v5.6:
- SG fixes for prime, radeon and amdgpu.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ef10e822-76dd-125d-ec1f-9a78c5f76bc3@linux.intel.com
2020-03-27 12:33:23 +10:00
Atish Patra 2191b4f298
RISC-V: Move all address space definition macros to one place
We get the following compilation error if CONFIG_SPARSEMEM_VMEMMAP is set.

---------------------------------------------------------------
./arch/riscv/include/asm/pgtable-64.h: In function ‘pud_page’:
./include/asm-generic/memory_model.h:54:29: error: ‘vmemmap’ undeclared
(first use in this function); did you mean ‘mem_map’?
 #define __pfn_to_page(pfn) (vmemmap + (pfn))
                             ^~~~~~~
./include/asm-generic/memory_model.h:82:21: note: in expansion of
macro ‘__pfn_to_page’

 #define pfn_to_page __pfn_to_page
                     ^~~~~~~~~~~~~
./arch/riscv/include/asm/pgtable-64.h:70:9: note: in expansion of macro
‘pfn_to_page’
  return pfn_to_page(pud_val(pud) >> _PAGE_PFN_SHIFT);
---------------------------------------------------------------

Fix the compliation errors by moving all the address space definition
macros before including pgtable-64.h.

Fixes: 8ad8b72721 (riscv: Add KASAN support)

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-03-26 19:26:11 -07:00
Dmitry Torokhov 4134252ab7 Input: fix stale timestamp on key autorepeat events
We need to refresh timestamp when emitting key autorepeat events, otherwise
they will carry timestamp of the original key press event.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=206929
Fixes: 3b51c44bd6 ("Input: allow drivers specify timestamp for input events")
Cc: stable@vger.kernel.org
Reported-by: teika kazura <teika@gmx.com>
Tested-by: teika kazura <teika@gmx.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2020-03-26 17:05:08 -07:00
David Howells 9efcc4a129 afs: Fix unpinned address list during probing
When it's probing all of a fileserver's interfaces to find which one is
best to use, afs_do_probe_fileserver() takes a lock on the server record
and notes the pointer to the address list.

It doesn't, however, pin the address list, so as soon as it drops the
lock, there's nothing to stop the address list from being freed under
us.

Fix this by taking a ref on the address list inside the locked section
and dropping it at the end of the function.

Fixes: 3bf0fb6f33 ("afs: Probe multiple fileservers simultaneously")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-03-26 16:04:29 -07:00
Linus Torvalds 60268940cd A patch for a rather old regression in fullness handling and two memory
leak fixes, marked for stable.
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Merge tag 'ceph-for-5.6-rc8' of git://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "A patch for a rather old regression in fullness handling and two
  memory leak fixes, marked for stable"

* tag 'ceph-for-5.6-rc8' of git://github.com/ceph/ceph-client:
  ceph: fix memory leak in ceph_cleanup_snapid_map()
  libceph: fix alloc_msg_with_page_vector() memory leaks
  ceph: check POOL_FLAG_FULL/NEARFULL in addition to OSDMAP_FULL/NEARFULL
2020-03-26 15:44:41 -07:00
Linus Torvalds a53071bd34 x86 bug fixes.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "x86 bug fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: X86: Narrow down the IPI fastpath to single target IPI
  KVM: LAPIC: Also cancel preemption timer when disarm LAPIC timer
  KVM: VMX: don't allow memory operands for inline asm that modifies SP
  KVM: LAPIC: Mark hrtimer for period or oneshot mode to expire in hard interrupt context
  KVM: SVM: Issue WBINVD after deactivating an SEV guest
  KVM: SVM: document KVM_MEM_ENCRYPT_OP, let userspace detect if SEV is available
  KVM: x86: remove bogus user-triggerable WARN_ON
2020-03-26 15:30:49 -07:00
Linus Torvalds 23cb8490c0 MAINTAINERS: fix bad file pattern
Testing 'parse-maintainers' due to the previous commit shows a bad file
pattern for the "TI VPE/CAL DRIVERS" entry in the MAINTAINERS file.

There's also a lot of mis-ordered entries, but I'm still a bit nervous
about the inevitable and annoying merge problems it would probably cause
to fix them up.

The MAINTAINERS file is one of my least favorite files due to being huge
and centralized, but fixing it is also horribly painful for that reason.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-03-26 15:12:19 -07:00
Joe Perches 5cdbec108f parse-maintainers: Do not sort section content by default
Add an --order switch to control section reordering.
Default for --order is off.

Change the default ordering to a slightly more sensible:

M:  Person acting as a maintainer
R:  Person acting as a patch reviewer
L:  Mailing list where patches should be sent
S:  Maintenance status
W:  URI for general information
Q:  URI for patchwork tracking
B:  URI for bug tracking/submission
C:  URI for chat
P:  URI or file for subsystem specific coding styles
T:  SCM tree type and location
F:  File and directory pattern
X:  File and directory exclusion pattern
N:  File glob
K:  Keyword - patch content regex

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-03-26 15:08:27 -07:00
Dmitry Torokhov fbf66796a0 Input: move the new KEY_SELECTIVE_SCREENSHOT keycode
We should try to keep keycodes sequential unless there is a reason to leave
a gap in numbering, so let's move it from 0x280 to 0x27a while we still
can.

Fixes: 3b059da983 ("Input: allocate keycode for Selective Screenshot key")
Acked-by: Rajat Jain <rajatja@google.com>
Link: https://lore.kernel.org/r/20200326182711.GA259753@dtor-ws
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2020-03-26 12:55:17 -07:00
Anup Patel bd6f20333c
RISC-V: Only select essential drivers for SOC_VIRT config
The kconfig select causes build failues for SOC_VIRT config becaus
we are selecting lot of VIRTIO drivers without selecting all required
dependencies.

Better approach is to only select essential drivers from SOC_VIRT
config option and enable required VIRTIO drivers using defconfigs.

Fixes: 759bdc1681 ("RISC-V: Add kconfig option for QEMU virt machine")
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-03-26 12:35:04 -07:00
Rafael J. Wysocki 5ac54113dd cpufreq: intel_pstate: Simplify intel_pstate_cpu_init()
The initial policy value set by intel_pstate_cpu_init() depends on
whether or not CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is set, but
that is not necessary, because the core will set the policy to
"performance" in cpufreq_init_policy() if the default governor is
"performance" anyway.

Accordingly, change intel_pstate_cpu_init() to always set policy
to CPUFREQ_POLICY_POWERSAVE initially to provide a valid fallback
value to cpufreq_init_policy() in case the default cpufreq governor
is neither "powersave" nor "performance".

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-03-26 20:30:11 +01:00
Doug Smythies 2f6bdb05e0 tools/power/x86/intel_pstate_tracer: fix a broken y-axis scale
A fixed y-axis scale was missed during a change to autoscale.

Correct it.

Fixes: 709bd70d07 ("tools/power/x86/intel_pstate_tracer: change several graphs to autoscale y-axis")
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-03-26 20:05:58 +01:00
David S. Miller 328f5bb993 We have the following fixes:
* drop data packets if there's no key for them anymore, after
    there had been one, to avoid sending them in clear when
    hostapd removes the key before it removes the station and
    the packets are still queued
  * check port authorization again after dequeue, to avoid
    sending packets if the station is no longer authorized
  * actually remove the authorization flag before the key so
    packets are also dropped properly because of this
  * fix nl80211 control port packet tagging to handle them as
    packets allowed to go out without encryption
  * fix NL80211_ATTR_CHANNEL_WIDTH outgoing netlink attribute
    width (should be 32 bits, not 8)
  * don't WARN in a CSA scenario that happens on some APs
  * fix HE spatial reuse element size calculation
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Merge tag 'mac80211-for-net-2020-03-26' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
We have the following fixes:
 * drop data packets if there's no key for them anymore, after
   there had been one, to avoid sending them in clear when
   hostapd removes the key before it removes the station and
   the packets are still queued
 * check port authorization again after dequeue, to avoid
   sending packets if the station is no longer authorized
 * actually remove the authorization flag before the key so
   packets are also dropped properly because of this
 * fix nl80211 control port packet tagging to handle them as
   packets allowed to go out without encryption
 * fix NL80211_ATTR_CHANNEL_WIDTH outgoing netlink attribute
   width (should be 32 bits, not 8)
 * don't WARN in a CSA scenario that happens on some APs
 * fix HE spatial reuse element size calculation
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-26 12:03:02 -07:00
Ido Schimmel f6bf1bafdc mlxsw: spectrum_mr: Fix list iteration in error path
list_for_each_entry_from_reverse() iterates backwards over the list from
the current position, but in the error path we should start from the
previous position.

Fix this by using list_for_each_entry_continue_reverse() instead.

This suppresses the following error from coccinelle:

drivers/net/ethernet/mellanox/mlxsw//spectrum_mr.c:655:34-38: ERROR:
invalid reference to the index variable of the iterator on line 636

Fixes: c011ec1bbf ("mlxsw: spectrum: Add the multicast routing offloading logic")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-26 12:00:45 -07:00
Xu Wang bcaeb886ad qlcnic: Fix bad kzalloc null test
In qlcnic_83xx_get_reset_instruction_template, the variable
of null test is bad, so correct it.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-26 11:44:22 -07:00
Linus Torvalds 9420e8ade4 Third RDMA 5.6 pull request
- Several MAINTAINERS updates
 
 - Memory leak regression in ODP
 
 - Several fixes for syzkaller related crashes. Google recently taught
   syzkaller to create the software RDMA devices
 
 - Crash fixes for HFI1
 
 - Several fixes for mlx5 crashes
 
 - Prevent unprivileged access to an unsafe mlx5 HW resource
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "A small set of late-rc patches, mostly fixes for various crashers,
  some syzkaller fixes and a mlx5 HW limitation:

   - Several MAINTAINERS updates

   - Memory leak regression in ODP

   - Several fixes for syzkaller related crashes. Google recently taught
     syzkaller to create the software RDMA devices

   - Crash fixes for HFI1

   - Several fixes for mlx5 crashes

   - Prevent unprivileged access to an unsafe mlx5 HW resource"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/mlx5: Block delay drop to unprivileged users
  RDMA/mlx5: Fix access to wrong pointer while performing flush due to error
  RDMA/core: Ensure security pkey modify is not lost
  MAINTAINERS: Clean RXE section and add Zhu as RXE maintainer
  IB/hfi1: Ensure pq is not left on waitlist
  IB/rdmavt: Free kernel completion queue when done
  RDMA/mad: Do not crash if the rdma device does not have a umad interface
  RDMA/core: Fix missing error check on dev_set_name()
  RDMA/nl: Do not permit empty devices names during RDMA_NLDEV_CMD_NEWLINK/SET
  RDMA/mlx5: Fix the number of hwcounters of a dynamic counter
  MAINTAINERS: Update maintainers for HISILICON ROCE DRIVER
  RDMA/odp: Fix leaking the tgid for implicit ODP
2020-03-26 10:39:36 -07:00