Commit Graph

677513 Commits

Author SHA1 Message Date
Ursula Braun 9111e7880c s390/qeth: handle sysfs error during initialization
When setting up the device from within the layer discipline's
probe routine, creating the layer-specific sysfs attributes can fail.
Report this error back to the caller, and handle it by
releasing the layer discipline.

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
[jwi: updated commit msg, moved an OSN change to a subsequent patch]
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-11 12:37:48 -04:00
Jon Mason b601616681 mdio: mux: Correct mdio_mux_init error path issues
There is a potential unnecessary refcount decrement on error path of
put_device(&pb->mii_bus->dev), as it is possible to avoid the
of_mdio_find_bus() call if mux_bus is specified by the calling function.

The same put_device() is not called in the error path if the
devm_kzalloc of pb fails.  This caused the variable used in the
put_device() to be changed, as the pb pointer was obviously not set up.

There is an unnecessary of_node_get() on child_bus_node if the
of_mdiobus_register() is successful, as the
for_each_available_child_of_node() automatically increments this.
Thus the refcount on this node will always be +1 more than it should be.

There is no of_node_put() on child_bus_node if the of_mdiobus_register()
call fails.

Finally, it is lacking devm_kfree() of pb in the error path.  While this
might not be technically necessary, it was present in other parts of the
function.  So, I am adding it where necessary to make it uniform.

Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Fixes: f20e6657a8 ("mdio: mux: Enhanced MDIO mux framework for integrated multiplexers")
Fixes: 0ca2997d14 ("netdev/of/phy: Add MDIO bus multiplexer support.")
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-11 12:32:43 -04:00
WANG Cong 83eaddab43 ipv6/dccp: do not inherit ipv6_mc_list from parent
Like commit 657831ffc3 ("dccp/tcp: do not inherit mc_list from parent")
we should clear ipv6_mc_list etc. for IPv6 sockets too.

Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-11 12:17:02 -04:00
Colin Ian King 0fe20fafd1 netxen_nic: set rcode to the return status from the call to netxen_issue_cmd
Currently rcode is being initialized to NX_RCODE_SUCCESS and later it
is checked to see if it is not NX_RCODE_SUCCESS which is never true. It
appears that there is an unintentional missing assignment of rcode from
the return of the call to netxen_issue_cmd() that was dropped in
an earlier fix, so add it in.

Detected by CoverityScan, CID#401900 ("Logically dead code")

Fixes: 2dcd5d95ad ("netxen_nic: fix cdrp race condition")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-11 12:16:04 -04:00
Stefan Wahren 8d66c30b12 net: qca_spi: Fix alignment issues in rx path
The qca_spi driver causes alignment issues on ARM devices.
So fix this by using netdev_alloc_skb_ip_align().

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: 291ab06ecf ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-11 12:14:12 -04:00
Gao Feng 1a4a5bf52a driver: vrf: Fix one possible use-after-free issue
The current codes only deal with the case that the skb is dropped, it
may meet one use-after-free issue when NF_HOOK returns 0 that means
the skb is stolen by one netfilter rule or hook.

When one netfilter rule or hook stoles the skb and return NF_STOLEN,
it means the skb is taken by the rule, and other modules should not
touch this skb ever. Maybe the skb is queued or freed directly by the
rule.

Now uses the nf_hook instead of NF_HOOK to get the result of netfilter,
and check the return value of nf_hook. Only when its value equals 1, it
means the skb could go ahead. Or reset the skb as NULL.

BTW, because vrf_rcv_finish is empty function, so needn't invoke it
even though nf_hook returns 1. But we need to modify vrf_rcv_finish
to deal with the NF_STOLEN case.

There are two cases when skb is stolen.
1. The skb is stolen and freed directly.
   There is nothing we need to do, and vrf_rcv_finish isn't invoked.
2. The skb is queued and reinjected again.
   The vrf_rcv_finish would be invoked as okfn, so need to free the
   skb in it.

Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-11 12:13:11 -04:00
Christoph Hellwig ed6565e734 block: handle partial completions for special payload requests
SCSI devices can return short writes on Write Same just like for normal
writes, so we need to handle this case for our special payload requests
as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Tested-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-11 08:08:53 -06:00
Juergen Gross 69861e0a52 xen: adjust early dom0 p2m handling to xen hypervisor behavior
When booted as pv-guest the p2m list presented by the Xen is already
mapped to virtual addresses. In dom0 case the hypervisor might make use
of 2M- or 1G-pages for this mapping. Unfortunately while being properly
aligned in virtual and machine address space, those pages might not be
aligned properly in guest physical address space.

So when trying to obtain the guest physical address of such a page
pud_pfn() and pmd_pfn() must be avoided as those will mask away guest
physical address bits not being zero in this special case.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2017-05-11 15:55:20 +02:00
Juergen Gross def9331a12 x86/amd: don't set X86_BUG_SYSRET_SS_ATTRS when running under Xen
When running as Xen pv guest X86_BUG_SYSRET_SS_ATTRS must not be set
on AMD cpus.

This bug/feature bit is kind of special as it will be used very early
when switching threads. Setting the bit and clearing it a little bit
later leaves a critical window where things can go wrong. This time
window has enlarged a little bit by using setup_clear_cpu_cap() instead
of the hypervisor's set_cpu_features callback. It seems this larger
window now makes it rather easy to hit the problem.

The proper solution is to never set the bit in case of Xen.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Juergen Gross <jgross@suse.com>
2017-05-11 15:55:14 +02:00
Florian Fainelli 0c2cf6d948 arm64: Silence first allocation with CONFIG_ARM64_MODULE_PLTS=y
When CONFIG_ARM64_MODULE_PLTS is enabled, the first allocation using the
module space fails, because the module is too big, and then the module
allocation is attempted from vmalloc space. Silence the first allocation
failure in that case by setting __GFP_NOWARN.

Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2017-05-11 14:43:40 +01:00
Florian Fainelli 75d24d968a ARM: Silence first allocation with CONFIG_ARM_MODULE_PLTS=y
When CONFIG_ARM_MODULE_PLTS is enabled, the first allocation using the
module space fails, because the module is too big, and then the module
allocation is attempted from vmalloc space. Silence the first allocation
failure in that case by setting __GFP_NOWARN.

Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2017-05-11 14:43:31 +01:00
Florian Fainelli 03497d761c mm: Silence vmap() allocation failures based on caller gfp_flags
If the caller has set __GFP_NOWARN don't print the following message:
vmap allocation for size 15736832 failed: use vmalloc=<size> to increase
size.

This can happen with the ARM/Linux or ARM64/Linux module loader built
with CONFIG_ARM{,64}_MODULE_PLTS=y which does a first attempt at loading
a large module from module space, then falls back to vmalloc space.

Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2017-05-11 14:41:26 +01:00
Tobias Klauser e118c3fec9 nios2: remove custom early console implementation
As of commits d8f347ba35cf ("nios2: enable earlycon support"),
0dcc0542a0 ("serial: altera_jtaguart: add earlycon support") and
4d9d7d896d ("serial: altera_uart: add earlycon support"), the nios2
architecture and the altera_uart/altera_jtaguart drivers support
earlycon. Thus, the custom early console implementation for nios2 is no
longer necessary to get early boot messages. Remove it and rely fully on
earlycon support.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
2017-05-11 17:44:21 +08:00
Nicholas Bellinger 984a9d4c40 Revert "target: Fix VERIFY and WRITE VERIFY command parsing"
This reverts commit 0e2eb7d12e

  Author: Bart Van Assche <bart.vanassche@sandisk.com>
  Date:   Thu Mar 30 10:12:39 2017 -0700

      target: Fix VERIFY and WRITE VERIFY command parsing

This patch broke existing behaviour for WRITE_VERIFY because
it dropped the original SCF_SCSI_DATA_CDB assignment for
bytchk = 0 so target_cmd_size_check() no longer rejected
this case, allowing an overflow case to trigger an OOPs
in iscsi-target.

Since the short term and long term fixes are still being
discussed, revert it for now since it's late in the merge
window and try again in v4.13-rc1.

Conflicts:
	drivers/target/target_core_sbc.c

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-05-11 01:01:05 -07:00
Dan Williams e84b83b9ee filesystem-dax: fix broken __dax_zero_page_range() conversion
The conversion of __dax_zero_page_range() to 'struct dax_operations'
caused it to frequently fail. The mistake was treating the @size
parameter as a dax mapping length rather than just a length of the
clear_pmem() operation. The dax mapping length is assumed to be hard
coded as PAGE_SIZE.

Without this fix any page unaligned zeroing request will trigger a
-EINVAL return from bdev_dax_pgoff().

Cc: Jan Kara <jack@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Tested-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Fixes: cccbce6715 ("filesystem-dax: convert to dax_direct_access()")
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-05-10 21:46:55 -07:00
Vishal Verma b177fe85dd libnvdimm, btt: ensure that initializing metadata clears poison
If we had badblocks/poison in the metadata area of a BTT, recreating the
BTT would not clear the poison in all cases, notably the flog area. This
is because rw_bytes will only clear errors if the request being sent
down is 512B aligned and sized.

Make sure that when writing the map and info blocks, the rw_bytes being
sent are of the correct size/alignment. For the flog, instead of doing
the smaller log_entry writes only, first do a 'wipe' of the entire area
by writing zeroes in large enough chunks so that errors get cleared.

Cc: Andy Rudoff <andy.rudoff@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-05-10 21:46:22 -07:00
Vishal Verma 3ae3d67ba7 libnvdimm: add an atomic vs process context flag to rw_bytes
nsio_rw_bytes can clear media errors, but this cannot be done while we
are in an atomic context due to locking within ACPI. From the BTT,
->rw_bytes may be called either from atomic or process context depending
on whether the calls happen during initialization or during IO.

During init, we want to ensure error clearing happens, and the flag
marking process context allows nsio_rw_bytes to do that. When called
during IO, we're in atomic context, and error clearing can be skipped.

Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-05-10 21:46:22 -07:00
Linus Torvalds 791a9a666d Kbuild UAPI header export updates for v4.12
Improvement of headers_install by Nicolas Dichtel.
 
 It has been long since the introduction of uapi directories,
 but the de-coupling of exported headers has not been completed.
 Headers listed in header-y are exported whether they exist in
 uapi directories or not.  His work fixes this inconsistency.
 
 All (and only) headers under uapi directories are now exported.
 The asm-generic wrappers are still exceptions, but this is a big
 step forward.
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Merge tag 'kbuild-uapi-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild UAPI updates from Masahiro Yamada:
 "Improvement of headers_install by Nicolas Dichtel.

  It has been long since the introduction of uapi directories, but the
  de-coupling of exported headers has not been completed. Headers listed
  in header-y are exported whether they exist in uapi directories or
  not. His work fixes this inconsistency.

  All (and only) headers under uapi directories are now exported. The
  asm-generic wrappers are still exceptions, but this is a big step
  forward"

* tag 'kbuild-uapi-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  arch/include: remove empty Kbuild files
  uapi: export all arch specifics directories
  uapi: export all headers under uapi directories
  smc_diag.h: fix include from userland
  btrfs_tree.h: fix include from userland
  uapi: includes linux/types.h before exporting files
  Makefile.headersinst: remove destination-y option
  Makefile.headersinst: cleanup input files
  x86: stop exporting msr-index.h to userland
  nios2: put setup.h in uapi
  h8300: put bitsperlong.h in uapi
2017-05-10 20:45:36 -07:00
Linus Torvalds 23ea3f62f3 Kbuild misc updates for 4.12
- Clean up builddeb script
 
 - Use full path for KBUILD_IMAGE to fix rpm-pkg build
 
 - Fix objdiff tool to ignore debug info
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Merge tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull misc Kbuild updates from Masahiro Yamada:

 - clean up builddeb script

 - use full path for KBUILD_IMAGE to fix rpm-pkg build

 - fix objdiff tool to ignore debug info

* tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  builddeb: fix typo
  builddeb: Update a few outdated and hardcoded strings
  deb-pkg: Remove the KBUILD_IMAGE workaround
  unicore32: Use full path in KBUILD_IMAGE definition
  sh: Use full path in KBUILD_IMAGE definition
  arc: Use full path in KBUILD_IMAGE definition
  arm: Use full path in KBUILD_IMAGE definition
  arm64: Use full path in KBUILD_IMAGE definition
  scripts: objdiff: Ignore debug info when comparing
2017-05-10 20:41:43 -07:00
Linus Torvalds 593043d35d Kbuild updates for v4.12
- Improve Clang support
 
 - Clean up various Makefiles
 
 - Improve build log visibility (objtool, alpha, ia64)
 
 - Improve compiler flag evaluation for better build performance
 
 - Fix GCC version-dependent warning
 
 - Fix genksyms
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Merge tag 'kbuild-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - improve Clang support

 - clean up various Makefiles

 - improve build log visibility (objtool, alpha, ia64)

 - improve compiler flag evaluation for better build performance

 - fix GCC version-dependent warning

 - fix genksyms

* tag 'kbuild-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (23 commits)
  kbuild: dtbinst: remove unnecessary __dtbs_install_prep target
  ia64: beatify build log for gate.so and gate-syms.o
  alpha: make short build log available for division routines
  alpha: merge build rules of division routines
  alpha: add $(src)/ rather than $(obj)/ to make source file path
  Makefile: evaluate LDFLAGS_BUILD_ID only once
  objtool: make it visible in make V=1 output
  kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS
  kbuild: Add support to generate LLVM assembly files
  kbuild: Add better clang cross build support
  kbuild: drop -Wno-unknown-warning-option from clang options
  kbuild: fix asm-offset generation to work with clang
  kbuild: consolidate redundant sed script ASM offset generation
  frv: Use OFFSET macro in DEF_*REG()
  kbuild: avoid conflict between -ffunction-sections and -pg on gcc-4.7
  kbuild: Consolidate header generation from ASM offset information
  kbuild: use -Oz instead of -Os when using clang
  kbuild, LLVMLinux: Add -Werror to cc-option to support clang
  Kbuild: make designated_init attribute fatal
  kbuild: drop unneeded patterns '.*.orig' and '.*.rej' from distclean
  ...
2017-05-10 20:11:05 -07:00
Linus Torvalds 556d994a75 RTC for 4.12
Subsystem:
  - Add OF device ID table for i2c drivers
 
 New driver:
  - Motorola CPCAP PMIC RTC
 
 Drivers:
  - cmos: fix IRQ selection
  - ds1307: Add ST m41t0 support
  - ds1374: fix watchdog configuration
  - sh: Add rza series support
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Merge tag 'rtc-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "RTC subsystem update:
   - Add OF device ID table for i2c drivers

  New RTC driver:
   - Motorola CPCAP PMIC RTC

  RTC driver updates:
   - cmos: fix IRQ selection
   - ds1307: Add ST m41t0 support
   - ds1374: fix watchdog configuration
   - sh: Add rza series support"

* tag 'rtc-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (33 commits)
  rtc: gemini: add return value validation
  rtc: snvs: fix an incorrect check of return value
  rtc: ds1374: wdt: Fix stop/start ioctl always returning -EINVAL
  rtc: ds1374: wdt: Fix issue with timeout scaling from secs to wdt ticks
  rtc: sh: mark PM functions as unused
  rtc: hid-sensor-time: remove some dead code
  rtc: m41t80: Add proper compatible for rv4162
  rtc: ds1307: Add m41t0 to OF device ID table
  rtc: ds1307: support m41t0 variant
  rtc: cpcap: fix improper use of IRQ_NONE for request_threaded_irq
  rtc: cmos: Do not assume irq 8 for rtc when there are no legacy irqs
  x86: i8259: export legacy_pic symbol
  dt-bindings: rtc: document the rtc-sh bindings
  rtc: sh: add support for rza series
  rtc: cpcap: kfreeing devm allocated memory
  rtc: wm8350: Remove unused to_wm8350_from_rtc_dev
  rtc: cpcap: new rtc driver
  dt-bindings: Add vendor prefix for Motorola
  rtc: omap: mark PM methods as __maybe_unused
  rtc: omap: remove incorrect __exit markups
  ...
2017-05-10 19:37:14 -07:00
Linus Torvalds 291b38a756 Annotation of module parameters that specify device settings
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Merge tag 'hwparam-20170420' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull hw lockdown support from David Howells:
 "Annotation of module parameters that configure hardware resources
  including ioports, iomem addresses, irq lines and dma channels.

  This allows a future patch to prohibit the use of such module
  parameters to prevent that hardware from being abused to gain access
  to the running kernel image as part of locking the kernel down under
  UEFI secure boot conditions.

  Annotations are made by changing:

        module_param(n, t, p)
        module_param_named(n, v, t, p)
        module_param_array(n, t, m, p)

  to:

        module_param_hw(n, t, hwtype, p)
        module_param_hw_named(n, v, t, hwtype, p)
        module_param_hw_array(n, t, hwtype, m, p)

  where the module parameter refers to a hardware setting

  hwtype specifies the type of the resource being configured. This can
  be one of:

        ioport          Module parameter configures an I/O port
        iomem           Module parameter configures an I/O mem address
        ioport_or_iomem Module parameter could be either (runtime set)
        irq             Module parameter configures an I/O port
        dma             Module parameter configures a DMA channel
        dma_addr        Module parameter configures a DMA buffer address
        other           Module parameter configures some other value

  Note that the hwtype is compile checked, but not currently stored (the
  lockdown code probably won't require it). It is, however, there for
  future use.

  A bonus is that the hwtype can also be used for grepping.

  The intention is for the kernel to ignore or reject attempts to set
  annotated module parameters if lockdown is enabled. This applies to
  options passed on the boot command line, passed to insmod/modprobe or
  direct twiddling in /sys/module/ parameter files.

  The module initialisation then needs to handle the parameter not being
  set, by (1) giving an error, (2) probing for a value or (3) using a
  reasonable default.

  What I can't do is just reject a module out of hand because it may
  take a hardware setting in the module parameters. Some important
  modules, some ipmi stuff for instance, both probe for hardware and
  allow hardware to be manually specified; if the driver is aborts with
  any error, you don't get any ipmi hardware.

  Further, trying to do this entirely in the module initialisation code
  doesn't protect against sysfs twiddling.

  [!] Note that in and of itself, this series of patches should have no
      effect on the the size of the kernel or code execution - that is
      left to a patch in the next series to effect. It does mark
      annotated kernel parameters with a KERNEL_PARAM_FL_HWPARAM flag in
      an already existing field"

* tag 'hwparam-20170420' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: (38 commits)
  Annotate hardware config module parameters in sound/pci/
  Annotate hardware config module parameters in sound/oss/
  Annotate hardware config module parameters in sound/isa/
  Annotate hardware config module parameters in sound/drivers/
  Annotate hardware config module parameters in fs/pstore/
  Annotate hardware config module parameters in drivers/watchdog/
  Annotate hardware config module parameters in drivers/video/
  Annotate hardware config module parameters in drivers/tty/
  Annotate hardware config module parameters in drivers/staging/vme/
  Annotate hardware config module parameters in drivers/staging/speakup/
  Annotate hardware config module parameters in drivers/staging/media/
  Annotate hardware config module parameters in drivers/scsi/
  Annotate hardware config module parameters in drivers/pcmcia/
  Annotate hardware config module parameters in drivers/pci/hotplug/
  Annotate hardware config module parameters in drivers/parport/
  Annotate hardware config module parameters in drivers/net/wireless/
  Annotate hardware config module parameters in drivers/net/wan/
  Annotate hardware config module parameters in drivers/net/irda/
  Annotate hardware config module parameters in drivers/net/hamradio/
  Annotate hardware config module parameters in drivers/net/ethernet/
  ...
2017-05-10 19:13:03 -07:00
Boris Brezillon a9402889f4 MAINTAINERS: Update NAND subsystem git repositories
NAND branches are now hosted on MTD repos, nand/next is on l2-mtd and
nand/fixes will be on linux-mtd.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[Brian: added branch names]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2017-05-10 18:22:38 -07:00
Christophe Leroy 7db789d08c mtd: nand: gpio: update binding
This patch updates the binding documentation in accordance with
commit 44dd182861 ("mtd: nand: gpio: make nCE GPIO optional")

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reported-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2017-05-10 18:18:55 -07:00
Tomohiro Yoshidomi 8be193c7b1 Input: add support for PlayStation 1/2 joypads connected via SPI
PlayStation 1/2 joypads can be connected directly to the SPI interface.

Signed-off-by: Tomohiro Yoshidomi <sylph23k@gmail.com>
Acked-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-05-10 14:35:48 -07:00
Linus Torvalds b5a53b61a2 Sort of on the quieter side this time, which is probably due more
to me not catching up as quickly on patch review than anything else.
 Overall it seems normal though, a few small changes to the core, mostly
 small non-critical fixes here and there as well as driver updates for new
 and existing hardware support. The biggest things are the TI clk driver
 rework to lay the groundwork for clkctrl support in the next merge window
 and the AmLogic audio/graphics clk support.
 
 Core:
  * clk_possible_parents debugfs file so we know which parents a clk
    could possibly have
  * Fix to make clk rate change notifiers stop on the first failure instead
    of continuing
 
 New Drivers:
  * Mediatek MT6797 SoCs
  * hi655x PMIC clks
  * AmLogic Meson SoC i2s and spdif audio clks and Mali graphics clks
  * Allwinner H5 SoCs and PRCM hardware
 
 Updates:
  * Nvidia Tegra T210 cleanups and non-critical fixes
  * TI OMAP cleanups in preparation for clkctrl support
  * Trivial fixes like kcalloc(), devm_* conversions, and seq_puts()
  * ZTE zx296718 SoC VGA clks
  * Rockchip clk-ids, fixups, and rename of rk1108 to rv1108
  * Support for IDT VersaClock 5P49V5935
  * Renesas R-Car H3 and M3-W IMR clks and ES2.0 rev of R-Car H3 support
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "Sort of on the quieter side this time, which is probably due more to
  me not catching up as quickly on patch review than anything else.
  Overall it seems normal though, a few small changes to the core,
  mostly small non-critical fixes here and there as well as driver
  updates for new and existing hardware support.

  The biggest things are the TI clk driver rework to lay the groundwork
  for clkctrl support in the next merge window and the AmLogic
  audio/graphics clk support.

  Core:
   - clk_possible_parents debugfs file so we know which parents a clk
     could possibly have
   - Fix to make clk rate change notifiers stop on the first failure
     instead of continuing

  New Drivers:
   - Mediatek MT6797 SoCs
   - hi655x PMIC clks
   - AmLogic Meson SoC i2s and spdif audio clks and Mali graphics clks
   - Allwinner H5 SoCs and PRCM hardware

  Updates:
   - Nvidia Tegra T210 cleanups and non-critical fixes
   - TI OMAP cleanups in preparation for clkctrl support
   - trivial fixes like kcalloc(), devm_* conversions, and seq_puts()
   - ZTE zx296718 SoC VGA clks
   - Rockchip clk-ids, fixups, and rename of rk1108 to rv1108
   - IDT VersaClock 5P49V5935 support
   - Renesas R-Car H3 and M3-W IMR clks and ES2.0 rev of R-Car H3
     support"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (151 commits)
  clk: x86: pmc-atom: Checking for IS_ERR() instead of NULL
  clk: ti: divider: try to fix ti_clk_register_divider
  clk: mvebu: Use kcalloc() in two functions
  clk: mvebu: Use kcalloc() in of_cpu_clk_setup()
  clk: nomadik: Delete error messages for a failed memory allocation in two functions
  clk: nomadik: Use seq_puts() in nomadik_src_clk_show()
  clk: Improve a size determination in two functions
  clk: Replace four seq_printf() calls by seq_putc()
  clk: si5351: Delete an error message for a failed memory allocation in si5351_i2c_probe()
  clk: si5351: Use devm_kcalloc() in si5351_i2c_probe()
  clk: at91: Use kcalloc() in of_at91_clk_pll_get_characteristics()
  reset: mediatek: Add MT2701 ethsys reset controller include file
  clk: mediatek: add mt2701 ethernet reset
  clk: hi6220: Add the hi655x's pmic clock
  clk: ti: fix building without legacy omap3
  clk: ti: fix linker error with !SOC_OMAP4
  clk: hi3620: Fix a typo in one variable name
  clk: hi3620: Delete error messages for a failed memory allocation in two functions
  clk: hi3620: Use kcalloc() in hi3620_mmc_clk_init()
  clk: hisilicon: Delete error messages for failed memory allocations in hisi_clk_init()
  ...
2017-05-10 13:38:18 -07:00
Linus Torvalds c70422f760 Another RDMA update from Chuck Lever, and a bunch of miscellaneous
bugfixes.
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Merge tag 'nfsd-4.12' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "Another RDMA update from Chuck Lever, and a bunch of miscellaneous
  bugfixes"

* tag 'nfsd-4.12' of git://linux-nfs.org/~bfields/linux: (26 commits)
  nfsd: Fix up the "supattr_exclcreat" attributes
  nfsd: encoders mustn't use unitialized values in error cases
  nfsd: fix undefined behavior in nfsd4_layout_verify
  lockd: fix lockd shutdown race
  NFSv4: Fix callback server shutdown
  SUNRPC: Refactor svc_set_num_threads()
  NFSv4.x/callback: Create the callback service through svc_create_pooled
  lockd: remove redundant check on block
  svcrdma: Clean out old XDR encoders
  svcrdma: Remove the req_map cache
  svcrdma: Remove unused RDMA Write completion handler
  svcrdma: Reduce size of sge array in struct svc_rdma_op_ctxt
  svcrdma: Clean up RPC-over-RDMA backchannel reply processing
  svcrdma: Report Write/Reply chunk overruns
  svcrdma: Clean up RDMA_ERROR path
  svcrdma: Use rdma_rw API in RPC reply path
  svcrdma: Introduce local rdma_rw API helpers
  svcrdma: Clean up svc_rdma_get_inv_rkey()
  svcrdma: Add helper to save pages under I/O
  svcrdma: Eliminate RPCRDMA_SQ_DEPTH_MULT
  ...
2017-05-10 13:29:23 -07:00
Linus Torvalds 73ccb023a2 NFS client updates for Linux 4.12
Highlights include:
 
 Stable bugfixes:
 - Fix use after free in write error path
 - Use GFP_NOIO for two allocations in writeback
 - Fix a hang in OPEN related to server reboot
 - Check the result of nfs4_pnfs_ds_connect
 - Fix an rcu lock leak
 
 Features:
 - Removal of the unmaintained and unused OSD pNFS layout
 - Cleanup and removal of lots of unnecessary dprintk()s
 - Cleanup and removal of some memory failure paths now that
   GFP_NOFS is guaranteed to never fail.
 - Remove the v3-only data server limitation on pNFS/flexfiles
 
 Bugfixes:
 - RPC/RDMA connection handling bugfixes
 - Copy offload: fixes to ensure the copied data is COMMITed to disk.
 - Readdir: switch back to using the ->iterate VFS interface
 - File locking fixes from Ben Coddington
 - Various use-after-free and deadlock issues in pNFS
 - Write path bugfixes
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Merge tag 'nfs-for-4.12-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

  Stable bugfixes:
   - Fix use after free in write error path
   - Use GFP_NOIO for two allocations in writeback
   - Fix a hang in OPEN related to server reboot
   - Check the result of nfs4_pnfs_ds_connect
   - Fix an rcu lock leak

  Features:
   - Removal of the unmaintained and unused OSD pNFS layout
   - Cleanup and removal of lots of unnecessary dprintk()s
   - Cleanup and removal of some memory failure paths now that GFP_NOFS
     is guaranteed to never fail.
   - Remove the v3-only data server limitation on pNFS/flexfiles

  Bugfixes:
   - RPC/RDMA connection handling bugfixes
   - Copy offload: fixes to ensure the copied data is COMMITed to disk.
   - Readdir: switch back to using the ->iterate VFS interface
   - File locking fixes from Ben Coddington
   - Various use-after-free and deadlock issues in pNFS
   - Write path bugfixes"

* tag 'nfs-for-4.12-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (89 commits)
  pNFS/flexfiles: Always attempt to call layoutstats when flexfiles is enabled
  NFSv4.1: Work around a Linux server bug...
  NFS append COMMIT after synchronous COPY
  NFSv4: Fix exclusive create attributes encoding
  NFSv4: Fix an rcu lock leak
  nfs: use kmap/kunmap directly
  NFS: always treat the invocation of nfs_getattr as cache hit when noac is on
  Fix nfs_client refcounting if kmalloc fails in nfs4_proc_exchange_id and nfs4_proc_async_renew
  NFSv4.1: RECLAIM_COMPLETE must handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION
  pNFS: Fix NULL dereference in pnfs_generic_alloc_ds_commits
  pNFS: Fix a typo in pnfs_generic_alloc_ds_commits
  pNFS: Fix a deadlock when coalescing writes and returning the layout
  pNFS: Don't clear the layout return info if there are segments to return
  pNFS: Ensure we commit the layout if it has been invalidated
  pNFS: Don't send COMMITs to the DSes if the server invalidated our layout
  pNFS/flexfiles: Fix up the ff_layout_write_pagelist failure path
  pNFS: Ensure we check layout validity before marking it for return
  NFS4.1 handle interrupted slot reuse from ERR_DELAY
  NFSv4: check return value of xdr_inline_decode
  nfs/filelayout: fix NULL pointer dereference in fl_pnfs_update_layout()
  ...
2017-05-10 13:03:38 -07:00
Linus Torvalds f94c128eef metag: Changes for 4.12
These patches primarily make some usercopy improvements (following on
 from the recent usercopy fixes):
 - Reformat and simplify rapf copy loops
 - Add 64-bit get_user support
 
 And fix a couple more uaccess issues, partily pointed out by Al:
 - Fix access_ok() serious shortcomings
 - Fix strncpy_from_user() address validation
 
 Also included is a trivial removal of a redundant increment.
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Merge tag 'metag-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag

Pull metag updates from James Hogan:
 "These patches primarily make some usercopy improvements (following on
  from the recent usercopy fixes):

   - reformat and simplify rapf copy loops

   - add 64-bit get_user support

  And fix a couple more uaccess issues, partily pointed out by Al:

   - fix access_ok() serious shortcomings

   - fix strncpy_from_user() address validation

  Also included is a trivial removal of a redundant increment"

* tag 'metag-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
  metag/mm: Drop pointless increment
  metag/uaccess: Check access_ok in strncpy_from_user
  metag/uaccess: Fix access_ok()
  metag/usercopy: Add 64-bit get_user support
  metag/usercopy: Simplify rapf loop fixup corner case
  metag/usercopy: Reformat rapf loop inline asm
2017-05-10 11:40:36 -07:00
Linus Torvalds c44b594303 virtio: fixes, cleanups, performance
A bunch of changes to virtio, most affecting virtio net.
 ptr_ring batched zeroing - first of batching enhancements
 that seems ready.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:
 "Fixes, cleanups, performance

  A bunch of changes to virtio, most affecting virtio net. Also ptr_ring
  batched zeroing - first of batching enhancements that seems ready."

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  s390/virtio: change maintainership
  tools/virtio: fix spelling mistake: "wakeus" -> "wakeups"
  virtio_net: tidy a couple debug statements
  ptr_ring: support testing different batching sizes
  ringtest: support test specific parameters
  ptr_ring: batch ring zeroing
  virtio: virtio_driver doc
  virtio_net: don't reset twice on XDP on/off
  virtio_net: fix support for small rings
  virtio_net: reduce alignment for buffers
  virtio_net: rework mergeable buffer handling
  virtio_net: allow specifying context for rx
  virtio: allow extra context per descriptor
  tools/virtio: fix build breakage
  virtio: add context flag to find vqs
  virtio: wrap find_vqs
  ringtest: fix an assert statement
2017-05-10 11:33:08 -07:00
Trond Myklebust b26b78cb72 nfsd: Fix up the "supattr_exclcreat" attributes
If an NFSv4 client asks us for the supattr_exclcreat, then we must
not return attributes that are unsupported by this minor version.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Fixes: 75976de655 ("NFSD: Return word2 bitmask if setting security..,")
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2017-05-10 14:30:10 -04:00
Linus Torvalds 5ccd414080 Second round of KVM Changes for v4.12:
* ARM: bugfixes; moved shared 32-bit/64-bit files to virt/kvm/arm;
 support for saving/restoring virtual ITS state to userspace
 
 * PPC: XIVE (eXternal Interrupt Virtualization Engine) support
 
 * x86: nVMX improvements, including emulated page modification logging
 (PML) which brings nice performance improvements on some workloads
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull more KVM updates from Paolo Bonzini:
 "ARM:
   - bugfixes
   - moved shared 32-bit/64-bit files to virt/kvm/arm
   - support for saving/restoring virtual ITS state to userspace

  PPC:
   - XIVE (eXternal Interrupt Virtualization Engine) support

  x86:
   - nVMX improvements, including emulated page modification logging
     (PML) which brings nice performance improvements on some workloads"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (45 commits)
  KVM: arm/arm64: vgic-its: Cleanup after failed ITT restore
  KVM: arm/arm64: Don't call map_resources when restoring ITS tables
  KVM: arm/arm64: Register ITS iodev when setting base address
  KVM: arm/arm64: Get rid of its->initialized field
  KVM: arm/arm64: Register iodevs when setting redist base and creating VCPUs
  KVM: arm/arm64: Slightly rework kvm_vgic_addr
  KVM: arm/arm64: Make vgic_v3_check_base more broadly usable
  KVM: arm/arm64: Refactor vgic_register_redist_iodevs
  KVM: Add kvm_vcpu_get_idx to get vcpu index in kvm->vcpus
  nVMX: Advertise PML to L1 hypervisor
  nVMX: Implement emulated Page Modification Logging
  kvm: x86: Add a hook for arch specific dirty logging emulation
  kvm: nVMX: Validate CR3 target count on nested VM-entry
  KVM: set no_llseek in stat_fops_per_vm
  KVM: arm/arm64: vgic: Rename kvm_vgic_vcpu_init to kvm_vgic_vcpu_enable
  KVM: arm/arm64: Clarification and relaxation to ITS save/restore ABI
  KVM: arm64: vgic-v3: KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES
  KVM: arm64: vgic-its: Fix pending table sync
  KVM: arm64: vgic-its: ITT save and restore
  KVM: arm64: vgic-its: Device table save/restore
  ...
2017-05-10 11:29:23 -07:00
Linus Torvalds 29250d301b This is a trivial patch that changes a check for a cpumask from a NULL
pointer to using cpumask_available(), which will do the check. This is
 because cpumasks when not allocated are always set, and clang complains
 about it.
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Merge tag 'trace-v4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fix from Steven Rostedt:
 "This is a trivial patch that changes a check for a cpumask from a NULL
  pointer to using cpumask_available(), which will do the check. This is
  because cpumasks when not allocated are always set, and clang
  complains about it"

* tag 'trace-v4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Use cpumask_available() to check if cpumask variable may be used
2017-05-10 11:26:25 -07:00
J. Bruce Fields f961e3f2ac nfsd: encoders mustn't use unitialized values in error cases
In error cases, lgp->lg_layout_type may be out of bounds; so we
shouldn't be using it until after the check of nfserr.

This was seen to crash nfsd threads when the server receives a LAYOUTGET
request with a large layout type.

GETDEVICEINFO has the same problem.

Reported-by: Ari Kauppi <Ari.Kauppi@synopsys.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2017-05-10 14:25:19 -04:00
Linus Torvalds a2d9214c73 TEE driver infrastructure and OP-TEE drivers
This branch introduces a generic TEE framework in the kernel, to handle
 trusted environemtns (security coprocessor or software implementations
 such as OP-TEE/TrustZone). I'm sending it separately from the other
 arm-soc driver changes to give it a little more visibility, once
 the subsystem is merged, we will likely keep this in the arm₋soc
 drivers branch or have the maintainers submit pull requests directly,
 depending on the patch volume.
 
 I have reviewed earlier versions in the past, and have reviewed
 the latest version in person during Linaro Connect BUD17.
 
 Here is my overall assessment of the subsystem:
 
 * There is clearly demand for this, both for the generic
   infrastructure and the specific OP-TEE implementation.
 
 * The code has gone through a large number of reviews,
   and the review comments have all been addressed, but
   the reviews were not coming up with serious issues any more
   and nobody volunteered to vouch for the quality.
 
 * The user space ioctl interface is sufficient to work with the
   OP-TEE driver, and it should in principle work with other
   TEE implementations that follow the GlobalPlatform[1] standards,
   but it might need to be extended in minor ways depending on
   specific requirements of future TEE implementations
 
 * The main downside of the API to me is how the user space
   is tied to the TEE implementation in hardware or firmware,
   but uses a generic way to communicate with it. This seems
   to be an inherent problem with what it is trying to do,
   and I could not come up with any better solution than what
   is implemented here.
 
 For a detailed history of the patch series, see
 https://lkml.org/lkml/2017/3/10/1277
 
 Conflicts: needs a fixup after the drm tree was merged, see
 https://patchwork.kernel.org/patch/9691679/
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Merge tag 'armsoc-tee' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull TEE driver infrastructure and OP-TEE drivers from Arnd Bergmann:
 "This introduces a generic TEE framework in the kernel, to handle
  trusted environemtns (security coprocessor or software implementations
  such as OP-TEE/TrustZone). I'm sending it separately from the other
  arm-soc driver changes to give it a little more visibility, once the
  subsystem is merged, we will likely keep this in the arm₋soc drivers
  branch or have the maintainers submit pull requests directly,
  depending on the patch volume.

  I have reviewed earlier versions in the past, and have reviewed the
  latest version in person during Linaro Connect BUD17.

  Here is my overall assessment of the subsystem:

   - There is clearly demand for this, both for the generic
     infrastructure and the specific OP-TEE implementation.

   - The code has gone through a large number of reviews, and the review
     comments have all been addressed, but the reviews were not coming
     up with serious issues any more and nobody volunteered to vouch for
     the quality.

   - The user space ioctl interface is sufficient to work with the
     OP-TEE driver, and it should in principle work with other TEE
     implementations that follow the GlobalPlatform[1] standards, but it
     might need to be extended in minor ways depending on specific
     requirements of future TEE implementations

   - The main downside of the API to me is how the user space is tied to
     the TEE implementation in hardware or firmware, but uses a generic
     way to communicate with it. This seems to be an inherent problem
     with what it is trying to do, and I could not come up with any
     better solution than what is implemented here.

  For a detailed history of the patch series, see

    https://lkml.org/lkml/2017/3/10/1277"

* tag 'armsoc-tee' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: dt: hikey: Add optee node
  Documentation: tee subsystem and op-tee driver
  tee: add OP-TEE driver
  tee: generic TEE subsystem
  dt/bindings: add bindings for optee
2017-05-10 11:20:09 -07:00
Rex Zhu afa31879f0 drm/amd/powerplay: refine pwm1_enable callback functions for CI.
Use the new enums for setting and getting the fan control mode.
Fixes problems due to previous inconsistencies between enums.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-10 13:36:42 -04:00
Rex Zhu 2fde9ab218 drm/amd/powerplay: refine pwm1_enable callback functions for vi.
Use the new enums for setting and getting the fan control mode.
Fixes problems due to previous inconsistencies between enums.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-10 13:36:35 -04:00
Rex Zhu 7522ffc41b drm/amd/powerplay: refine pwm1_enable callback functions for Vega10.
Use the new enums for setting and getting the fan control mode.
Fixes problems due to previous inconsistencies between enums.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-10 13:36:28 -04:00
Rex Zhu aad22ca436 drm/amdgpu: refine amdgpu pwm1_enable sysfs interface.
Make the interface consistent.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-10 13:36:21 -04:00
Rex Zhu 4f93f09e5c drm/amdgpu: add amd fan ctrl mode enums.
Add common fan enums that can be used for both
powerplay and dpm.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-10 13:36:14 -04:00
Rex Zhu ded96c7389 drm/amd/powerplay: add more smu message on Vega10.
Add some new SMU messages.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-10 13:36:06 -04:00
Linus Torvalds de4d195308 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
 "The main changes are:

   - Debloat RCU headers

   - Parallelize SRCU callback handling (plus overlapping patches)

   - Improve the performance of Tree SRCU on a CPU-hotplug stress test

   - Documentation updates

   - Miscellaneous fixes"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (74 commits)
  rcu: Open-code the rcu_cblist_n_lazy_cbs() function
  rcu: Open-code the rcu_cblist_n_cbs() function
  rcu: Open-code the rcu_cblist_empty() function
  rcu: Separately compile large rcu_segcblist functions
  srcu: Debloat the <linux/rcu_segcblist.h> header
  srcu: Adjust default auto-expediting holdoff
  srcu: Specify auto-expedite holdoff time
  srcu: Expedite first synchronize_srcu() when idle
  srcu: Expedited grace periods with reduced memory contention
  srcu: Make rcutorture writer stalls print SRCU GP state
  srcu: Exact tracking of srcu_data structures containing callbacks
  srcu: Make SRCU be built by default
  srcu: Fix Kconfig botch when SRCU not selected
  rcu: Make non-preemptive schedule be Tasks RCU quiescent state
  srcu: Expedite srcu_schedule_cbs_snp() callback invocation
  srcu: Parallelize callback handling
  kvm: Move srcu_struct fields to end of struct kvm
  rcu: Fix typo in PER_RCU_NODE_PERIOD header comment
  rcu: Use true/false in assignment to bool
  rcu: Use bool value directly
  ...
2017-05-10 10:30:46 -07:00
Chunming Zhou 30514decb2 drm/amdgpu: fix dependency issue
The problem is that executing the jobs in the right order doesn't give you the right result
because consecutive jobs executed on the same engine are pipelined.
In other words job B does it buffer read before job A has written it's result.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-10 13:23:53 -04:00
Chunming Zhou cb3696fdec drm/amd: fix init order of sched job
Need to increment after the fence check.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-10 13:16:50 -04:00
Linus Torvalds dc9edaab90 More ACPI updates for v4.12-rc1
- Update the ACPICA code in the kernel to upstream revision
    20170303 which includes:
    * Minor fixes and improvements in the core code (Bob Moore,
      Seunghun Han).
    * Debugger fixes (Colin Ian King, Lv Zheng).
    * Compiler/disassembler improvements (Bob Moore, David Box,
      Lv Zheng).
    * Build-related update (Lv Zheng).
 
  - Add new device IDs and platform-related information to the
    ACPI drivers for Intel (LPSS) and AMD (APD) SoCs (Hanjun Guo,
    Hans de Goede).
 
  - Make it possible to quirk ACPI-enumerated devices as "always
    present" on platforms where they are incorrectly reported as not
    present by the AML and add the INT0002 device ID to the list of
    "always present" devices (Hans de Goede).
 
  - Fix the register information in the xpower PMIC driver and add
    comments to map the registers to symbols used by AML to it
    (Hans de Goede).
 
  - Move the code turning off unused ACPI power resources during
    system resume to a point after all devices have been resumed
    to avoid issues with power resources that do not behave as
    expected (Hans de Goede).
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Merge tag 'acpi-extra-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to upstream revision
  20170303 which adds a few minor fixes and improvements, update ACPI
  SoC drivers with new device IDs, platform-related information and
  similar, fix the register information in the xpower PMIC driver,
  introduce a concept of "always present" devices to the ACPI device
  enumeration code and use it to fix a problem with one platform, and
  fix a system resume issue related to power resources.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20170303
     which includes:
      * Minor fixes and improvements in the core code (Bob Moore,
        Seunghun Han).
      * Debugger fixes (Colin Ian King, Lv Zheng).
      * Compiler/disassembler improvements (Bob Moore, David Box, Lv
        Zheng).
      * Build-related update (Lv Zheng).

   - Add new device IDs and platform-related information to the ACPI
     drivers for Intel (LPSS) and AMD (APD) SoCs (Hanjun Guo, Hans de
     Goede).

   - Make it possible to quirk ACPI-enumerated devices as "always
     present" on platforms where they are incorrectly reported as not
     present by the AML and add the INT0002 device ID to the list of
     "always present" devices (Hans de Goede).

   - Fix the register information in the xpower PMIC driver and add
     comments to map the registers to symbols used by AML to it (Hans de
     Goede).

   - Move the code turning off unused ACPI power resources during system
     resume to a point after all devices have been resumed to avoid
     issues with power resources that do not behave as expected (Hans de
     Goede)"

* tag 'acpi-extra-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (22 commits)
  ACPI / power: Delay turning off unused power resources after suspend
  ACPI / PMIC: xpower: Fix power_table addresses
  ACPI / LPSS: Call pwm_add_table() for Bay Trail PWM device
  ACPICA: Update version to 20170303
  ACPICA: iasl: add ASL conversion tool
  ACPICA: Local cache support: Allow small cache objects
  ACPICA: Disassembler: Do not unconditionally remove temporary names
  ACPICA: iasl: Fix IORT SMMU GSI disassembling
  ACPICA: Cleanup AML opcode definitions, no functional change
  ACPICA: Debugger: Add interpreter blocking mark for single-step mode
  ACPICA: debugger: fix memory leak on Pathname
  ACPICA: Update for automatic repair code for objects returned by evaluate_object
  ACPICA: Namespace: fix operand cache leak
  ACPICA: Fix several incorrect invocations of ACPICA return macro
  ACPICA: Fix a module for excessive debug output
  ACPICA: Update some function headers, no funtional change
  ACPICA: Disassembler: Enhance resource descriptor detection
  i2c: designware: Add ACPI HID for Hisilicon Hip07/08 I2C controller
  ACPI / APD: Add clock frequency for Hisilicon Hip07/08 I2C controller
  ACPI / bus: Add INT0002 to list of always-present devices
  ...
2017-05-10 09:35:42 -07:00
Linus Torvalds 2e4ab937ec More power management updates for v4.12-rc1
- Add Intel Gemini Lake CPU IDs to the intel_idle and intel_rapl
    drivers (David Box).
 
  - Add a NULL pointer check to the cpuidle core to prevent it from
    crashing on platforms with incomplete cpuidle configuration (Fei
    Li).
 
  - Fix DT-related documentation in the generic power domains (genpd)
    framework and add a MAINTAINERS entry for DT-related material in
    genpd (Viresh Kumar).
 
  - Update the system suspend/resume infrastructure to improve the
    handling of aborts of suspend transitions in progress in the
    wakeup framework and rework the suspend-to-idle core loop to make
    it possible to filter out spurious wakeup events (specifically the
    ones coming from ACPI) without resuming all the way up to user
    space every time (Rafael Wysocki).
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Merge tag 'pm-extra-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These add new CPU IDs to a couple of drivers, fix a possible NULL
  pointer dereference in the cpuidle core, update DT-related things in
  the generic power domains framework and finally update the
  suspend/resume infrastructure to improve the handling of wakeups from
  suspend-to-idle.

  Specifics:

   - Add Intel Gemini Lake CPU IDs to the intel_idle and intel_rapl
     drivers (David Box).

   - Add a NULL pointer check to the cpuidle core to prevent it from
     crashing on platforms with incomplete cpuidle configuration (Fei
     Li).

   - Fix DT-related documentation in the generic power domains (genpd)
     framework and add a MAINTAINERS entry for DT-related material in
     genpd (Viresh Kumar).

   - Update the system suspend/resume infrastructure to improve the
     handling of aborts of suspend transitions in progress in the wakeup
     framework and rework the suspend-to-idle core loop to make it
     possible to filter out spurious wakeup events (specifically the
     ones coming from ACPI) without resuming all the way up to user
     space every time (Rafael Wysocki)"

* tag 'pm-extra-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle
  PM / wakeup: Integrate mechanism to abort transitions in progress
  x86/intel_idle: add Gemini Lake support
  cpuidle: check dev before usage in cpuidle_use_deepest_state()
  powercap: intel_rapl: Add support for Gemini Lake
  PM / Domains: Add DT file to MAINTAINERS
  PM / Domains: Fix DT example
2017-05-10 09:12:30 -07:00
Linus Torvalds b948abf53a Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs update from Miklos Szeredi:
 "The biggest part of this is making st_dev/st_ino on the overlay behave
  like a normal filesystem (i.e. st_ino doesn't change on copy up,
  st_dev is the same for all files and directories). Currently this only
  works if all layers are on the same filesystem, but future work will
  move the general case towards more sane behavior.

  There are also miscellaneous fixes, including fixes to handling
  append-only files. There's a small change in the VFS, but that only
  has an effect on overlayfs, since otherwise file->f_path.dentry->inode
  and file_inode(file) are always the same"

* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: update documentation w.r.t. constant inode numbers
  ovl: persistent inode numbers for upper hardlinks
  ovl: merge getattr for dir and nondir
  ovl: constant st_ino/st_dev across copy up
  ovl: persistent inode number for directories
  ovl: set the ORIGIN type flag
  ovl: lookup non-dir copy-up-origin by file handle
  ovl: use an auxiliary var for overlay root entry
  ovl: store file handle of lower inode on copy up
  ovl: check if all layers are on the same fs
  ovl: do not set overlay.opaque on non-dir create
  ovl: check IS_APPEND() on real upper inode
  vfs: ftruncate check IS_APPEND() on real upper inode
  ovl: Use designated initializers
  ovl: lockdep annotate of nested stacked overlayfs inode lock
2017-05-10 09:03:48 -07:00
Linus Torvalds a2e5ad45a9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
 "Support for pid namespaces from Seth and refcount_t work from Elena"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: Add support for pid namespaces
  fuse: convert fuse_conn.count from atomic_t to refcount_t
  fuse: convert fuse_req.count from atomic_t to refcount_t
  fuse: convert fuse_file.count from atomic_t to refcount_t
2017-05-10 08:45:30 -07:00
Linus Torvalds 26c5eaa132 The two main items are support for disabling automatic rbd exclusive
lock transfers from myself and the long awaited -ENOSPC handling series
 from Jeff.  The former will allow rbd users to take advantage of
 exclusive lock's built-in blacklist/break-lock functionality while
 staying in control of who owns the lock.  With the latter in place, we
 will abort filesystem writes on -ENOSPC instead of having them block
 indefinitely.
 
 Beyond that we've got the usual pile of filesystem fixes from Zheng,
 some refcount_t conversion patches from Elena and a patch for an
 ancient open() flags handling bug from Alexander.
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Merge tag 'ceph-for-4.12-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "The two main items are support for disabling automatic rbd exclusive
  lock transfers from myself and the long awaited -ENOSPC handling
  series from Jeff.

  The former will allow rbd users to take advantage of exclusive lock's
  built-in blacklist/break-lock functionality while staying in control
  of who owns the lock. With the latter in place, we will abort
  filesystem writes on -ENOSPC instead of having them block
  indefinitely.

  Beyond that we've got the usual pile of filesystem fixes from Zheng,
  some refcount_t conversion patches from Elena and a patch for an
  ancient open() flags handling bug from Alexander"

* tag 'ceph-for-4.12-rc1' of git://github.com/ceph/ceph-client: (31 commits)
  ceph: fix memory leak in __ceph_setxattr()
  ceph: fix file open flags on ppc64
  ceph: choose readdir frag based on previous readdir reply
  rbd: exclusive map option
  rbd: return ResponseMessage result from rbd_handle_request_lock()
  rbd: kill rbd_is_lock_supported()
  rbd: support updating the lock cookie without releasing the lock
  rbd: store lock cookie
  rbd: ignore unlock errors
  rbd: fix error handling around rbd_init_disk()
  rbd: move rbd_unregister_watch() call into rbd_dev_image_release()
  rbd: move rbd_dev_destroy() call out of rbd_dev_image_release()
  ceph: when seeing write errors on an inode, switch to sync writes
  Revert "ceph: SetPageError() for writeback pages if writepages fails"
  ceph: handle epoch barriers in cap messages
  libceph: add an epoch_barrier field to struct ceph_osd_client
  libceph: abort already submitted but abortable requests when map or pool goes full
  libceph: allow requests to return immediately on full conditions if caller wishes
  libceph: remove req->r_replay_version
  ceph: make seeky readdir more efficient
  ...
2017-05-10 08:42:33 -07:00
Linus Torvalds 1176032cb1 Merge branch 'for-linus-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs updates from Chris Mason:
 "This has fixes and cleanups Dave Sterba collected for the merge
  window.

  The biggest functional fixes are between btrfs raid5/6 and scrub, and
  raid5/6 and device replacement. Some of our pending qgroup fixes are
  included as well while I bash on the rest in testing.

  We also have the usual set of cleanups, including one that makes
  __btrfs_map_block() much more maintainable, and conversions from
  atomic_t to refcount_t"

* 'for-linus-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (71 commits)
  btrfs: fix the gfp_mask for the reada_zones radix tree
  Btrfs: fix reported number of inode blocks
  Btrfs: send, fix file hole not being preserved due to inline extent
  Btrfs: fix extent map leak during fallocate error path
  Btrfs: fix incorrect space accounting after failure to insert inline extent
  Btrfs: fix invalid attempt to free reserved space on failure to cow range
  btrfs: Handle delalloc error correctly to avoid ordered extent hang
  btrfs: Fix metadata underflow caused by btrfs_reloc_clone_csum error
  btrfs: check if the device is flush capable
  btrfs: delete unused member nobarriers
  btrfs: scrub: Fix RAID56 recovery race condition
  btrfs: scrub: Introduce full stripe lock for RAID56
  btrfs: Use ktime_get_real_ts for root ctime
  Btrfs: handle only applicable errors returned by btrfs_get_extent
  btrfs: qgroup: Fix qgroup corruption caused by inode_cache mount option
  btrfs: use q which is already obtained from bdev_get_queue
  Btrfs: switch to div64_u64 if with a u64 divisor
  Btrfs: update scrub_parity to use u64 stripe_len
  Btrfs: enable repair during read for raid56 profile
  btrfs: use clear_page where appropriate
  ...
2017-05-10 08:33:17 -07:00