Commit Graph

883699 Commits

Author SHA1 Message Date
Ravi Bangoria
aa6b3c9923 perf report: Make -F more strict like -s
Currently -F allows branch-mode / mem-mode fields with -F even
when perf report is not running in that mode. Don't allow that.

Suggested-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20191114132213.5419-3-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-04 12:32:40 -03:00
Ravi Bangoria
ae87405fb5 perf report/top TUI: Replace pr_err() with ui__error()
pr_err() in TUI mode does not print anyting on the screen and just
quits.

Replace such pr_err() with ui__error().

Before:

  $ perf report -s +
  $

After:

  $ perf report -s +

    ┌─Error:────────────────┐
    │Invalid --sort key: `+'│
    │                       │
    │Press any key...       │
    └───────────────────────┘

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20191114132213.5419-2-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-04 12:27:14 -03:00
Ingo Molnar
9f58c93efd perf/core improvements and fixes:
perf report/top:
 
   - Fix segfault due to missing initialization of recently introduced
     struct map_symbol 'maps' field in append_inlines(), when running
     with DWARF callchains.
 
 perf stat:
 
   Andi Kleen:
 
   - Affinity based optimizations for sessions with many events in
     machines with large core counts, avoiding excessive number of IPIs.
 
 libtraceevent:
 
   - Sudip Mukherjee:
 
   - Fix installation with O=.
 
   - Copy pkg-config file to output folder when using O=.
 
 perf bench:
 
   Arnaldo Carvalho de Melo:
 
   - Update the copies of x86's mem{cpy,set}_64.S, and because that
     now uses new stuff in linux/linkage.h, update that header too, which
     made the minimal clang version to build perf to be 3.5, as
     3.4 as found in some of the container images used to test build perf
     can't grok STT_FUNC as a token in .type lines.
 
 ABI headers:
 
   Arnaldo Carvalho de Melo:
 
   - Sync x86's msr-index.h copy with the kernel sources, resulting
     in new MSRs to be usable in filter expressions in 'perf trace',
     such as IA32_TSX_CTRL.
 
   - Sync linux/fscrypt.h, linux/stat.h, sched.h and the kvm headers.
 
 perf trace:
 
   Arnaldo Carvalho de Melo:
 
   - Add CLEAR_SIGHAND support for clone's flags arg
 
 perf kvm:
 
   Arnaldo Carvalho de Melo:
 
   - Clarify the 'perf kvm' -i and -o command line options
 
 perf test:
 
   Ian Rogers:
 
   - Move test functionality in to a 'perf test' entry.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-5.5-20191203' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

perf report/top:

  - Fix segfault due to missing initialization of recently introduced
    struct map_symbol 'maps' field in append_inlines(), when running
    with DWARF callchains.

perf stat:

  Andi Kleen:

  - Affinity based optimizations for sessions with many events in
    machines with large core counts, avoiding excessive number of IPIs.

libtraceevent:

  - Sudip Mukherjee:

  - Fix installation with O=.

  - Copy pkg-config file to output folder when using O=.

perf bench:

  Arnaldo Carvalho de Melo:

  - Update the copies of x86's mem{cpy,set}_64.S, and because that
    now uses new stuff in linux/linkage.h, update that header too, which
    made the minimal clang version to build perf to be 3.5, as
    3.4 as found in some of the container images used to test build perf
    can't grok STT_FUNC as a token in .type lines.

ABI headers:

  Arnaldo Carvalho de Melo:

  - Sync x86's msr-index.h copy with the kernel sources, resulting
    in new MSRs to be usable in filter expressions in 'perf trace',
    such as IA32_TSX_CTRL.

  - Sync linux/fscrypt.h, linux/stat.h, sched.h and the kvm headers.

perf trace:

  Arnaldo Carvalho de Melo:

  - Add CLEAR_SIGHAND support for clone's flags arg

perf kvm:

  Arnaldo Carvalho de Melo:

  - Clarify the 'perf kvm' -i and -o command line options

perf test:

  Ian Rogers:

  - Move test functionality in to a 'perf test' entry.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-12-04 08:49:52 +01:00
Sudip Mukherjee
15b3904f8e libtraceevent: Copy pkg-config file to output folder when using O=
When we use 'O=' with make to build libtraceevent in a separate folder
it still copies 'libtraceevent.pc' to its source folder. Modify the
Makefile so that it uses the output folder to copy the pkg-config file
and install from there.

Signed-off-by: Sudipm Mukherjee <sudipm.mukherjee@gmail.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20191115113610.21493-2-sudipm.mukherjee@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 21:58:20 -03:00
Sudip Mukherjee
587db8ebda libtraceevent: Fix lib installation with O=
When we use 'O=' with make to build libtraceevent in a separate folder
it fails to install libtraceevent.a and libtraceevent.so.1.1.0 with the
error:

  INSTALL  /home/sudip/linux/obj-trace/libtraceevent.a
  INSTALL  /home/sudip/linux/obj-trace/libtraceevent.so.1.1.0

  cp: cannot stat 'libtraceevent.a': No such file or directory
  Makefile:225: recipe for target 'install_lib' failed
  make: *** [install_lib] Error 1

I used the command:

  make O=../../../obj-trace DESTDIR=~/test prefix==/usr  install

It turns out libtraceevent Makefile, even though it builds in a separate
folder, searches for libtraceevent.a and libtraceevent.so.1.1.0 in its
source folder.

So, add the 'OUTPUT' prefix to the source path so that 'make' looks for
the files in the correct place.

Signed-off-by: Sudipm Mukherjee <sudipm.mukherjee@gmail.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20191115113610.21493-1-sudipm.mukherjee@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 21:58:20 -03:00
Arnaldo Carvalho de Melo
9974406884 perf kvm: Clarify the 'perf kvm' -i and -o command line options
The 'perf kvm' subcommand has options that it in turn passes to other
perf subcommands such as 'report' and 'record', particularly -i and -o
end up setting the same variable that will then be used for 'record's -o
and report '-i', which ends up being confusing, leading some to think
that both -i and -o can be used with 'report'.

Improve the man page to state that -i is used with the post-processing
subcommands while -o is used just with 'record' and that to save the
output of 'report' one should simply redirect its output to a file.

Noticed while reading the https://www.linux-kvm.org/page/Perf_events
page.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steve Dickson <steved@redhat.com>
Cc: William Cohen <wcohen@redhat.com>
Link: https://lkml.kernel.org/n/tip-tclbttvmgtm525fvmh85f7d9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 15:38:59 -03:00
Arnaldo Carvalho de Melo
a717ab38a5 tools arch x86: Sync asm/cpufeatures.h with the kernel sources
To pick up the changes from:

  a25bbc2644 ("Merge branches 'x86-cpu-for-linus' and 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip")
  db4d30fbb7 ("x86/bugs: Add ITLB_MULTIHIT bug infrastructure")
  1b42f01741 ("x86/speculation/taa: Add mitigation for TSX Async Abort")
  9d40b85bb4 ("x86/cpufeatures: Add feature bit RDPRU on AMD")

These don't cause any changes in tooling, just silences this perf build
warning:

  Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h'
  diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Babu Moger <babu.moger@amd.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vineela Tummalapalli <vineela.tummalapalli@intel.com>
Link: https://lkml.kernel.org/n/tip-yufg9yt2nbkh45r9xvxnnscq@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 15:20:05 -03:00
Arnaldo Carvalho de Melo
f6661125ff perf beauty: Add CLEAR_SIGHAND support for clone's flags arg
Add support for the recently added CLONE_CLEAR_SIGHAND flag.

This takes advantage of the copy of the uapi/linux/sched.h we have in
tools/include, which allows us to build tools/perf in older systems and
have the binary support printing that flag whenever that system gets its
kernel updated to one where this feature is present.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Adrian Reber <areber@redhat.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org
Link: https://lkml.kernel.org/n/tip-1vnz497ubtu5oz16ygdcul0e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 15:19:52 -03:00
Arnaldo Carvalho de Melo
2603a4903b tools headers UAPI: Sync sched.h with the kernel
To get the changes in:

  0acefef584 ("Merge tag 'threads-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux")
  49cb2fc42c ("fork: extend clone3() to support setting a PID")
  fa729c4df5 ("clone3: validate stack arguments")
  b612e5df45 ("clone3: add CLONE_CLEAR_SIGHAND")

This file gets rebuilt, but no changes ensues:

   CC       /tmp/build/perf/trace/beauty/clone.o

This addresses this perf build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h'
  diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched.

The CLONE_CLEAR_SIGHAND one will be used in tools/perf/trace/beauty/clone.c
in a followup patch to show that string when this bit is set in the
syscall arg. Keeping a copy of this file allows us to build this in
older systems and have the binary support printing that flag whenever
that system gets its kernel updated to one where this feature is
present.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Adrian Reber <areber@redhat.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-nprqsvvzbhzoy64cbvos6c5b@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 12:56:39 -03:00
Arnaldo Carvalho de Melo
1fc3d0ee24 tools headers kvm: Sync kvm headers with the kernel sources
To pick up the changes from:

  14edff8831 Merge tag 'kvmarm-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
  a4b28f5c67 Merge remote-tracking branch 'kvmarm/kvm-arm64/stolen-time' into kvmarm-master/next
  58772e9a3d ("KVM: arm64: Provide VCPU attributes for stolen time")
  da345174ce ("KVM: arm/arm64: Allow user injection of external data aborts")
  c726200dd1 ("KVM: arm/arm64: Allow reporting non-ISV data aborts to userspace")
  efe5ddcae4 ("KVM: PPC: Book3S HV: XIVE: Allow userspace to set the # of VPs")

No tools changes are caused by this, as the only defines so far used
from these files are for syscall arg pretty printing are:

  $ grep KVM tools/perf/trace/beauty/*.sh
  tools/perf/trace/beauty/kvm_ioctl.sh:regex='^#[[:space:]]*define[[:space:]]+KVM_(\w+)[[:space:]]+_IO[RW]*\([[:space:]]*KVMIO[[:space:]]*,[[:space:]]*(0x[[:xdigit:]]+).*'
  $

Some are also include by:

  tools/perf/arch/x86/util/kvm-stat.c
  tools/perf/arch/powerpc/util/kvm-stat.c

This addresses these tools/perf build warnings:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h'
  diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h
  Warning: Kernel ABI header at 'tools/arch/powerpc/include/uapi/asm/kvm.h' differs from latest version at 'arch/powerpc/include/uapi/asm/kvm.h'
  diff -u tools/arch/powerpc/include/uapi/asm/kvm.h arch/powerpc/include/uapi/asm/kvm.h
  Warning: Kernel ABI header at 'tools/arch/arm/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm/include/uapi/asm/kvm.h'
  diff -u tools/arch/arm/include/uapi/asm/kvm.h arch/arm/include/uapi/asm/kvm.h
  Warning: Kernel ABI header at 'tools/arch/arm64/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm64/include/uapi/asm/kvm.h'
  diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Christoffer Dall <christoffer.dall@arm.com>
Cc: Fabiano Rosas <farosas@linux.ibm.com>
Cc: Greg Kurz <groug@kaod.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Steven Price <steven.price@arm.com>
Link: https://lkml.kernel.org/n/tip-qrjdudhq25mk5bfnhveofbm4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 12:54:13 -03:00
Arnaldo Carvalho de Melo
c66f2566db tools headers uapi: Sync linux/stat.h with the kernel sources
To pick the changes from:

  3ad2522c64 ("statx: define STATX_ATTR_VERITY")

That don't trigger any changes in tooling.

This silences this perf build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/stat.h' differs from latest version at 'include/uapi/linux/stat.h'
  diff -u tools/include/uapi/linux/stat.h include/uapi/linux/stat.h

At some point we wi'll beautify structs passed in pointers to syscalls
and then we'll need to have tables for these defines, for now update the
file to silence the warning as this file is used for doing this type of
number -> string translations for other defines found in these file.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-thcy60dpry5qrpn7nmc58bwg@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 12:24:52 -03:00
Arnaldo Carvalho de Melo
ad46f35cca tools headers uapi: Sync linux/fscrypt.h with the kernel sources
To pick the changes from:

  b103fb7653 ("fscrypt: add support for IV_INO_LBLK_64 policies")

That don't trigger any changes in tooling.

This silences this perf build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h'
  diff -u tools/include/uapi/linux/fscrypt.h include/uapi/linux/fscrypt.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-cgfz3ffe07pw2m8hmstvkudl@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 12:19:24 -03:00
Arnaldo Carvalho de Melo
8122b047dd tools arch x86: Sync the msr-index.h copy with the kernel sources
To pick up the changes from these csets:

  3f3c8be973 Merge tag 'for-linus-5.5a-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
  4e3f77d841 ("xen/mcelog: add PPIN to record when available")
  db4d30fbb7 ("x86/bugs: Add ITLB_MULTIHIT bug infrastructure")
  1b42f01741 ("x86/speculation/taa: Add mitigation for TSX Async Abort")
  c2955f270a ("x86/msr: Add the IA32_TSX_CTRL MSR")

These are the changes in tooling that this udpate ensues:

  $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > /tmp/before
  $
  $ cp arch/x86/include/asm/msr-index.h tools/arch/x86/include/asm/msr-index.h
  $
  $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > /tmp/after
  $ diff -u /tmp/before /tmp/after
  --- /tmp/before	2019-12-02 11:54:44.371035723 -0300
  +++ /tmp/after	2019-12-02 11:55:31.847859784 -0300
  @@ -48,6 +48,7 @@
   	[0x00000119] = "IA32_BBL_CR_CTL",
   	[0x0000011e] = "IA32_BBL_CR_CTL3",
   	[0x00000120] = "IDT_MCR_CTRL",
  +	[0x00000122] = "IA32_TSX_CTRL",
   	[0x00000140] = "MISC_FEATURES_ENABLES",
   	[0x00000174] = "IA32_SYSENTER_CS",
   	[0x00000175] = "IA32_SYSENTER_ESP",
  @@ -283,4 +284,6 @@
   	[0xc0010240 - x86_AMD_V_KVM_MSRs_offset] = "F15H_NB_PERF_CTL",
   	[0xc0010241 - x86_AMD_V_KVM_MSRs_offset] = "F15H_NB_PERF_CTR",
   	[0xc0010280 - x86_AMD_V_KVM_MSRs_offset] = "F15H_PTSC",
  +	[0xc00102f0 - x86_AMD_V_KVM_MSRs_offset] = "AMD_PPIN_CTL",
  +	[0xc00102f1 - x86_AMD_V_KVM_MSRs_offset] = "AMD_PPIN",
   };
  $

  CC       /tmp/build/perf/trace/beauty/tracepoints/x86_msr.o
  LD       /tmp/build/perf/trace/beauty/tracepoints/perf-in.o
  LD       /tmp/build/perf/trace/beauty/perf-in.o
  LD       /tmp/build/perf/perf-in.o

Now it is possible to use these strings when setting up filters for the msr:*
tracepoints, like:

  # perf trace -e msr:* --filter=msr==IA32_TSX_CTRL
  ^C[root@quaco ~]#

If we use an invalid operator we can check what is the filter that is put in
place:

  # perf trace -e msr:* --filter=msr=IA32_TSX_CTRL
  Failed to set filter "(msr=0x122) && (common_pid != 25976 && common_pid != 25860)" on event msr:read_msr with 22 (Invalid argument)

One can as well use -v to see the tracepoints and its filters:

  # perf trace -v -e msr:* --filter=msr==IA32_TSX_CTRL
  Using CPUID GenuineIntel-6-8E-A
  New filter for msr:read_msr: (msr==0x122) && (common_pid != 26110 && common_pid != 25860)
  New filter for msr:write_msr: (msr==0x122) && (common_pid != 26110 && common_pid != 25860)
  New filter for msr:rdpmc: (msr==0x122) && (common_pid != 26110 && common_pid != 25860)
  mmap size 528384B
  ^C#

Better than keep looking up those numbers, works with callchains as
well, e.g. for something more common:

  # perf trace -e msr:*/max-stack=16/ --filter="msr==IA32_SPEC_CTRL" --max-events=2
       0.000 SCTP timer/6158 msr:write_msr(msr: IA32_SPEC_CTRL, val: 6)
                                         do_trace_write_msr ([kernel.kallsyms])
                                         do_trace_write_msr ([kernel.kallsyms])
                                         __switch_to_xtra ([kernel.kallsyms])
                                         __switch_to ([kernel.kallsyms])
                                         __sched_text_start ([kernel.kallsyms])
                                         schedule ([kernel.kallsyms])
                                         schedule_hrtimeout_range_clock ([kernel.kallsyms])
                                         poll_schedule_timeout.constprop.0 ([kernel.kallsyms])
                                         do_select ([kernel.kallsyms])
                                         core_sys_select ([kernel.kallsyms])
                                         kern_select ([kernel.kallsyms])
                                         __x64_sys_select ([kernel.kallsyms])
                                         do_syscall_64 ([kernel.kallsyms])
                                         entry_SYSCALL_64 ([kernel.kallsyms])
                                         __select (/usr/lib64/libc-2.29.so)
                                         [0] ([unknown])
       0.024 :0/0 msr:write_msr(msr: IA32_SPEC_CTRL)
                                         do_trace_write_msr ([kernel.kallsyms])
                                         do_trace_write_msr ([kernel.kallsyms])
                                         __switch_to_xtra ([kernel.kallsyms])
                                         __switch_to ([kernel.kallsyms])
                                         __sched_text_start ([kernel.kallsyms])
                                         schedule_idle ([kernel.kallsyms])
                                         do_idle ([kernel.kallsyms])
                                         cpu_startup_entry ([kernel.kallsyms])
                                         start_secondary ([kernel.kallsyms])
                                         [0x2000d4] ([kernel.kallsyms])
  #

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Juergen Gross <jgross@suse.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vineela Tummalapalli <vineela.tummalapalli@intel.com>
Link: https://lkml.kernel.org/n/tip-n1xd78fpd5lxn4q1brqi2jl6@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 12:03:49 -03:00
Arnaldo Carvalho de Melo
bd5c6b81dd perf bench: Update the copies of x86's mem{cpy,set}_64.S
And update linux/linkage.h, which requires in turn that we make these
files switch from ENTRY()/ENDPROC() to SYM_FUNC_START()/SYM_FUNC_END():

  tools/perf/arch/arm64/tests/regs_load.S
  tools/perf/arch/arm/tests/regs_load.S
  tools/perf/arch/powerpc/tests/regs_load.S
  tools/perf/arch/x86/tests/regs_load.S

We also need to switch SYM_FUNC_START_LOCAL() to SYM_FUNC_START() for
the functions used directly by 'perf bench', and update
tools/perf/check_headers.sh to ignore those changes when checking if the
kernel original files drifted from the copies we carry.

This is to get the changes from:

  6dcc5627f6 ("x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_*")
  ef1e03152c ("x86/asm: Make some functions local")
  e9b9d020c4 ("x86/asm: Annotate aliases")

And address these tools/perf build warnings:

  Warning: Kernel ABI header at 'tools/arch/x86/lib/memcpy_64.S' differs from latest version at 'arch/x86/lib/memcpy_64.S'
  diff -u tools/arch/x86/lib/memcpy_64.S arch/x86/lib/memcpy_64.S
  Warning: Kernel ABI header at 'tools/arch/x86/lib/memset_64.S' differs from latest version at 'arch/x86/lib/memset_64.S'
  diff -u tools/arch/x86/lib/memset_64.S arch/x86/lib/memset_64.S

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-tay3l8x8k11p7y3qcpqh9qh5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02 11:40:57 -03:00
Linus Torvalds
596cf45cbf Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton:
 "Incoming:

   - a small number of updates to scripts/, ocfs2 and fs/buffer.c

   - most of MM

  I still have quite a lot of material (mostly not MM) staged after
  linux-next due to -next dependencies. I'll send those across next week
  as the preprequisites get merged up"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (135 commits)
  mm/page_io.c: annotate refault stalls from swap_readpage
  mm/Kconfig: fix trivial help text punctuation
  mm/Kconfig: fix indentation
  mm/memory_hotplug.c: remove __online_page_set_limits()
  mm: fix typos in comments when calling __SetPageUptodate()
  mm: fix struct member name in function comments
  mm/shmem.c: cast the type of unmap_start to u64
  mm: shmem: use proper gfp flags for shmem_writepage()
  mm/shmem.c: make array 'values' static const, makes object smaller
  userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK
  fs/userfaultfd.c: wp: clear VM_UFFD_MISSING or VM_UFFD_WP during userfaultfd_register()
  userfaultfd: wrap the common dst_vma check into an inlined function
  userfaultfd: remove unnecessary WARN_ON() in __mcopy_atomic_hugetlb()
  userfaultfd: use vma_pagesize for all huge page size calculation
  mm/madvise.c: use PAGE_ALIGN[ED] for range checking
  mm/madvise.c: replace with page_size() in madvise_inject_error()
  mm/mmap.c: make vma_merge() comment more easy to understand
  mm/hwpoison-inject: use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs fops
  autonuma: reduce cache footprint when scanning page tables
  autonuma: fix watermark checking in migrate_balanced_pgdat()
  ...
2019-12-01 20:36:41 -08:00
Linus Torvalds
c3bfc5dd73 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix several scatter gather list issues in kTLS code, from Jakub
    Kicinski.

 2) macb driver device remove has to kill the hresp_err_tasklet. From
    Chuhong Yuan.

 3) Several memory leak and reference count bug fixes in tipc, from Tung
    Nguyen.

 4) Fix mlx5 build error w/o ipv6, from Yue Haibing.

 5) Fix jumbo frame and other regressions in r8169, from Heiner
    Kallweit.

 6) Undo some BUG_ON()'s and replace them with WARN_ON_ONCE and proper
    error propagation/handling. From Paolo Abeni.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (24 commits)
  openvswitch: remove another BUG_ON()
  openvswitch: drop unneeded BUG_ON() in ovs_flow_cmd_build_info()
  net: phy: realtek: fix using paged operations with RTL8105e / RTL8208
  r8169: fix resume on cable plug-in
  r8169: fix jumbo configuration for RTL8168evl
  net: emulex: benet: indent a Kconfig depends continuation line
  selftests: forwarding: fix race between packet receive and tc check
  net: sched: fix `tc -s class show` no bstats on class with nolock subqueues
  net: ethernet: ti: ale: ensure vlan/mdb deleted when no members
  net/mlx5e: Fix build error without IPV6
  selftests: pmtu: use -oneline for ip route list cache
  tipc: fix duplicate SYN messages under link congestion
  tipc: fix wrong timeout input for tipc_wait_for_cond()
  tipc: fix wrong socket reference counter after tipc_sk_timeout() returns
  tipc: fix potential memory leak in __tipc_sendmsg()
  net: macb: add missed tasklet_kill
  selftests: bpf: correct perror strings
  selftests: bpf: test_sockmap: handle file creation failures gracefully
  net/tls: use sg_next() to walk sg entries
  net/tls: remove the dead inplace_crypto code
  ...
2019-12-01 20:35:03 -08:00
Linus Torvalds
e5b3fc125d Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Various fixes:

   - Fix the PAT performance regression that downgraded write-combining
     device memory regions to uncached.

   - There's been a number of bugs in 32-bit double fault handling -
     hopefully all fixed now.

   - Fix an LDT crash

   - Fix an FPU over-optimization that broke with GCC9 code
     optimizations.

   - Misc cleanups"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm/pat: Fix off-by-one bugs in interval tree search
  x86/ioperm: Save an indentation level in tss_update_io_bitmap()
  x86/fpu: Don't cache access to fpu_fpregs_owner_ctx
  x86/entry/32: Remove unused 'restore_all_notrace' local label
  x86/ptrace: Document FSBASE and GSBASE ABI oddities
  x86/ptrace: Remove set_segment_reg() implementations for current
  x86/traps: die() instead of panicking on a double fault
  x86/doublefault/32: Rewrite the x86_32 #DF handler and unify with 64-bit
  x86/doublefault/32: Move #DF stack and TSS to cpu_entry_area
  x86/doublefault/32: Rename doublefault.c to doublefault_32.c
  x86/traps: Disentangle the 32-bit and 64-bit doublefault code
  lkdtm: Add a DOUBLE_FAULT crash type on x86
  selftests/x86/single_step_syscall: Check SYSENTER directly
  x86/mm/32: Sync only to VMALLOC_END in vmalloc_sync_all()
2019-12-01 19:05:07 -08:00
Linus Torvalds
b7fcf31f70 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:

 - Make /sys/devices/cpu/rdpmc based RDPMC enforcement more
   instantaneous

 - decoder: Update the Intel opcode map

 - Various tooling fixes, including a few late optimizations and
   cleanups.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
  perf script: Fix invalid LBR/binary mismatch error
  perf script: Fix brstackinsn for AUXTRACE
  perf affinity: Add infrastructure to save/restore affinity
  perf pmu: Use file system cache to optimize sysfs access
  perf regs: Make perf_reg_name() return "unknown" instead of NULL
  perf diff: Use llabs() with 64-bit values
  perf diff: Use llabs() with 64-bit values
  perf/x86: Implement immediate enforcement of /sys/devices/cpu/rdpmc value of 0
  perf tools: Allow to link with libbpf dynamicaly
  perf tests: Rename tests/map_groups.c to tests/maps.c
  perf tests: Rename thread-mg-share to thread-maps-share
  perf maps: Rename map_groups.h to maps.h
  perf maps: Rename 'mg' variables to 'maps'
  perf map_symbol: Rename ms->mg to ms->maps
  perf addr_location: Rename al->mg to al->maps
  perf thread: Rename thread->mg to thread->maps
  perf maps: Merge 'struct maps' with 'struct map_groups'
  x86/insn: perf tools: Add some more instructions to the new instructions test
  x86/insn: Add some more Intel instructions to the opcode map
  perf map: Remove unused functions
  ...
2019-12-01 18:49:57 -08:00
Linus Torvalds
72c0870e3a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - updates to Ilitech driver to support ILI2117

 - face lift of st1232 driver to support MT-B protocol

 - a new driver for i.MX system controller keys

 - mpr121 driver now supports polling mode

 - various input drivers have been switched away from input_polled_dev
   to use polled mode of regular input devices

 - other assorted cleanups and fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (70 commits)
  Input: synaptics-rmi4 - fix various V4L2 compliance problems in F54
  Input: synaptics - switch another X1 Carbon 6 to RMI/SMbus
  Input: fix Kconfig indentation
  Input: imx_sc_key - correct SCU message structure to avoid stack corruption
  Input: ili210x - optionally show calibrate sysfs attribute
  Input: ili210x - add resolution to chip operations structure
  Input: ili210x - do not retrieve/print chip firmware version
  Input: mms114 - use device_get_match_data
  Input: ili210x - remove unneeded suspend and resume handlers
  Input: ili210x - do not unconditionally mark touchscreen as wakeup source
  Input: ili210x - define and use chip operations structure
  Input: ili210x - do not set parent device explicitly
  Input: ili210x - handle errors from input_mt_init_slots()
  Input: ili210x - switch to using threaded IRQ
  Input: ili210x - add ILI2117 support
  dt-bindings: input: touchscreen: ad7879: generic node names in example
  Input: ar1021 - fix typo in preprocessor macro name
  Input: synaptics-rmi4 - simplify data read in rmi_f54_work
  Input: kxtj9 - switch to using polled mode of input devices
  Input: kxtj9 - switch to using managed resources
  ...
2019-12-01 18:45:29 -08:00
Linus Torvalds
d10032dd53 libnvdimm for 5.5
- Updates to better support vmalloc space restrictions on PowerPC platforms.
 
 - Cleanups to move common sysfs attributes to core 'struct device_type'
   objects.
 
 - Export the 'target_node' attribute (the effective numa node if pmem is
   marked online) for regions and namespaces.
 
 - Miscellaneous fixups and optimizations.
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Merge tag 'libnvdimm-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "The highlight this cycle is continuing integration fixes for PowerPC
  and some resulting optimizations.

  Summary:

   - Updates to better support vmalloc space restrictions on PowerPC
     platforms.

   - Cleanups to move common sysfs attributes to core 'struct
     device_type' objects.

   - Export the 'target_node' attribute (the effective numa node if pmem
     is marked online) for regions and namespaces.

   - Miscellaneous fixups and optimizations"

* tag 'libnvdimm-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (21 commits)
  MAINTAINERS: Remove Keith from NVDIMM maintainers
  libnvdimm: Export the target_node attribute for regions and namespaces
  dax: Add numa_node to the default device-dax attributes
  libnvdimm: Simplify root read-only definition for the 'resource' attribute
  dax: Simplify root read-only definition for the 'resource' attribute
  dax: Create a dax device_type
  libnvdimm: Move nvdimm_bus_attribute_group to device_type
  libnvdimm: Move nvdimm_attribute_group to device_type
  libnvdimm: Move nd_mapping_attribute_group to device_type
  libnvdimm: Move nd_region_attribute_group to device_type
  libnvdimm: Move nd_numa_attribute_group to device_type
  libnvdimm: Move nd_device_attribute_group to device_type
  libnvdimm: Move region attribute group definition
  libnvdimm: Move attribute groups to device type
  libnvdimm: Remove prototypes for nonexistent functions
  libnvdimm/btt: fix variable 'rc' set but not used
  libnvdimm/pmem: Delete include of nd-core.h
  libnvdimm/namespace: Differentiate between probe mapping and runtime mapping
  libnvdimm/pfn_dev: Don't clear device memmap area during generic namespace probe
  libnvdimm: Trivial comment fix
  ...
2019-12-01 18:43:25 -08:00
Linus Torvalds
43fd4bd72c mailbox changes for v5.5
- omap : misc - catch error returned from pm_runtime_put_sync
 - hisi : misc - drop .owner from platform_driver
 - stm : change how wakeup is handled
 - imx : fix - bailout on error and nuke correct irq
 - imx : add support for imx7ulp platform
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Merge tag 'mailbox-v5.5' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:

 - omap : misc - catch error returned from pm_runtime_put_sync

 - hisi : misc - drop .owner from platform_driver

 - stm : change how wakeup is handled

 - imx : fix - bailout on error and nuke correct irq

 - imx : add support for imx7ulp platform

* tag 'mailbox-v5.5' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: imx: add support for imx v1 mu
  dt-bindings: mailbox: imx-mu: add imx7ulp MU support
  mailbox: imx: Clear the right interrupts at shutdown
  mailbox: imx: Fix Tx doorbell shutdown path
  mailbox: stm32-ipcc: Update wakeup management
  mailbox: no need to set .owner platform_driver_register
  mailbox/omap: Handle if CONFIG_PM is disabled
2019-12-01 18:42:02 -08:00
Linus Torvalds
454d9c4aa7 hwspinlock updates for v5.5
This contains a number of cleanups to the core and several drivers, in
 particular removing the requirement for drivers to implement pm_runtime.
 
 It also udpates the location of the git tree in MAINTAINERS.
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Merge tag 'hwlock-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc

Pull hwspinlock updates from Bjorn Andersson:
 "This contains a number of cleanups to the core and several drivers, in
  particular removing the requirement for drivers to implement
  pm_runtime.

  It also udpates the location of the git tree in MAINTAINERS"

* tag 'hwlock-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
  hwspinlock: u8500_hsem: Remove redundant PM runtime implementation
  hwspinlock: sprd: Remove redundant PM runtime implementation
  hwspinlock: Let the PM runtime can be optional
  hwspinlock: Remove BUG_ON() from the hwspinlock core
  hwspinlock: sprd: Use devm_hwspin_lock_register() to register hwlock controller
  hwspinlock: sprd: Use devm_add_action_or_reset() for calls to clk_disable_unprepare()
  hwspinlock: sprd: Check the return value of clk_prepare_enable()
  hwspinlock: sprd: Change to use devm_platform_ioremap_resource()
  hwspinlock: u8500_hsem: Use devm_hwspin_lock_register() to register hwlock controller
  hwspinlock: u8500_hsem: Use devm_kzalloc() to allocate memory
  hwspinlock: u8500_hsem: Change to use devm_platform_ioremap_resource()
  MAINTAINERS: hwspinlock: update git tree location
2019-12-01 18:40:28 -08:00
Linus Torvalds
687fcad8a3 rpmsg updates for v5.5
This contains a number of bug fixes to the GLINK transport driver, an
 off-by-one in the GLINK smem driver and a memory leak fix in the rpmsg
 char driver.
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Merge tag 'rpmsg-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc

Pull rpmsg updates from Bjorn Andersson:
 "This contains a number of bug fixes to the GLINK transport driver, an
  off-by-one in the GLINK smem driver and a memory leak fix in the rpmsg
  char driver"

* tag 'rpmsg-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
  rpmsg: Fix Kconfig indentation
  rpmsg: char: Simplify 'rpmsg_eptdev_release()'
  rpmsg: glink: Free pending deferred work on remove
  rpmsg: glink: Don't send pending rx_done during remove
  rpmsg: glink: Fix rpmsg_register_device err handling
  rpmsg: glink: Put an extra reference during cleanup
  rpmsg: glink: Fix use after free in open_ack TIMEOUT case
  rpmsg: glink: Fix reuse intents memory leak issue
  rpmsg: glink: Set tail pointer to 0 at end of FIFO
  rpmsg: char: release allocated memory
2019-12-01 18:39:24 -08:00
Linus Torvalds
5e3b06d3bb remoteproc updates for v5.5
This adds support for booting the modem processor on Qualcomm MSM8998
 and carries some cleanup up and bug fixes to the framework and the stm32
 driver.
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Merge tag 'rproc-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This adds support for booting the modem processor on Qualcomm MSM8998
  and carries some cleanup up and bug fixes to the framework and the
  stm32 driver"

* tag 'rproc-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
  Revert "dt-bindings: remoteproc: stm32: add wakeup-source"
  remoteproc: stm32: fix probe error case
  remoteproc: stm32: wakeup the system by wdg irq
  dt-bindings: remoteproc: stm32: add wakeup-source
  remoteproc: Fix wrong rvring index computation
  remoteproc: stm32: use workqueue to treat mailbox callback
  remoteproc: fix argument 2 of rproc_mem_entry_init
  remoteproc: qcom_q6v5_mss: Add support for MSM8998
  dt-bindings: remoteproc: qcom: Add Q6v5 Modem PIL binding for MSM8998
  remoteproc: debug: Remove unneeded NULL check
  remoteproc: remove useless typedef
2019-12-01 18:35:47 -08:00
Linus Torvalds
3265568db8 Merge branch 'i2c/for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "I2C has mostly driver updates this time.

  The few noteworthy changes are: the core has now support for analog
  and digital filters with at91 being the first user, a core addition to
  replace the NULL returning i2c_new_probed_device() with an ERR_PTR
  variant, and the pxa driver has finally being moved to use the generic
  I2C slave interface. We have quite a significant number of reviews per
  patch this time, so thank you to all involved!"

* 'i2c/for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (37 commits)
  video: fbdev: matrox: convert to i2c_new_scanned_device
  i2c: icy: convert to i2c_new_scanned_device
  i2c: replace i2c_new_probed_device with an ERR_PTR variant
  i2c: Fix Kconfig indentation
  i2c: smbus: Don't filter out duplicate alerts
  i2c: i801: Correct Intel Jasper Lake SOC naming
  i2c: i2c-stm32f7: fix 10-bits check in slave free id search loop
  i2c: iproc: Add i2c repeated start capability
  i2c: remove helpers for ref-counting clients
  i2c: tegra: Use dma_request_chan() directly for channel request
  i2c: sh_mobile: Use dma_request_chan() directly for channel request
  i2c: qup: Use dma_request_chan() directly for channel request
  i2c: at91: Use dma_request_chan() directly for channel request
  i2c: rcar: Remove superfluous call to clk_get_rate()
  i2c: pxa: remove unused i2c-slave APIs
  i2c: pxa: migrate to new i2c_slave APIs
  i2c: cros-ec-tunnel: Make the device acpi compatible
  i2c: stm32f7: report dma error during probe
  i2c: icy: no need to populate address for scanned device
  i2c: xiic: Fix kerneldoc warnings
  ...
2019-12-01 18:29:36 -08:00
Linus Torvalds
31764f1b6d for-linus-20191129
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Merge tag 'for-linus-20191129' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "I wasn't going to send this one off so soon, but unfortunately one of
  the fixes from the previous pull broke the build on some archs. So I'm
  sending this sooner rather than later. This contains:

   - Add highmem.h include for io_uring, because of the kmap() additions
     from last round. For some reason the build bot didn't spot this
     even though it sat for days.

   - Three minor ';' removals

   - Add support for the Beurer CD-on-a-chip device

   - Make io_uring work on MMU-less archs"

* tag 'for-linus-20191129' of git://git.kernel.dk/linux-block:
  io_uring: fix missing kmap() declaration on powerpc
  ataflop: Remove unneeded semicolon
  block: sunvdc: Remove unneeded semicolon
  drbd: Remove unneeded semicolon
  io_uring: add mapping support for NOMMU archs
  sr_vendor: support Beurer GL50 evo CD-on-a-chip devices.
  cdrom: respect device capabilities during opening action
2019-12-01 18:26:56 -08:00
Linus Torvalds
67b8ed29e0 platform-drivers-x86 for v5.5-1
* New bootctl driver for Mellanox BlueField SoC.
 
 * New driver to support System76 laptops.
 
 * Temperature monitoring and fan control on Acer Aspire 7551
   is now supported.
 
 * Previously the Huawei driver handled only hotkeys.
   After the conversion to WMI it has been expanded
   to support newer laptop models.
 
 * Big refactoring of intel-speed-select tools allows to
   use it on Intel CascadeLake-N systems.
 
 * Touchscreen support for ezpad 6 m4 and
   Schneider SCT101CTM tablets
 
 * Miscellaneous clean ups and fixes here and there.
 
 The following is an automated git shortlog grouped by driver:
 
 acerhdf:
  -  Add support for Acer Aspire 7551
  -  Rename Peter Feuerer to Peter Kaestle
 
 Add System76 ACPI driver:
  - Add System76 ACPI driver
 
 asus-laptop:
  -  switch to using polled mode of input devices
 
 classmate-laptop:
  -  remove unused variable
 
 dell-laptop:
  -  disable kbd backlight on Inspiron 10xx
 
 hdaps:
  -  switch to using polled mode of input devices
 
 hp-wmi:
  -  Fix ACPI errors caused by passing 0 as input size
  -  Fix ACPI errors caused by too small buffer
 
 huawei-wmi:
  -  Remove unnecessary battery mutex
  -  No need to check for battery name
  -  Stricter battery thresholds set
  -  Fix a precision vs width printf bug
  -  Avoid use of global variable when possible
  -  No need to keep pointer to platform device
  -  Don't leak memory on the exit
  -  huawei_wmi can be static
  -  Add debugfs support
  -  Add fn-lock support
  -  Add battery charging thresholds
  -  Implement huawei wmi management
  -  Add quirks and module parameters
  -  Move to platform driver
 
 i2c-multi-instantiate:
  -  Fail the probe if no IRQ provided
 
 intel_cht_int33fe:
  -  Split code to Micro-B and Type-C
 
 intel_int0002_vgpio:
  -  Pass irqchip when adding gpiochip
 
 intel_pmc_core:
  -  Add Comet Lake (CML) platform support to intel_pmc_core driver
  -  Fix the SoC naming inconsistency
 
 intel_punit_ipc:
  -  Drop useless label
  -  use devm_platform_ioremap_resource() to simplify code
  -  Avoid error message when retrieving IRQ
 
 peaq-wmi:
  -  switch to using polled mode of input devices
 
 platform/mellanox:
  -  Fix Kconfig indentation
  -  Add bootctl driver for Mellanox BlueField Soc
 
 tools/power/x86/intel-speed-select:
  -  Display TRL buckets for just base config level
  -  Ignore missing config level
  -  Increment version
  -  Use core count for base-freq mask
  -  Support platform with limited Intel(R) Speed Select
  -  Use Frequency weight for CLOS
  -  Make CLOS frequency in MHz
  -  Use mailbox for CLOS_PM_QOS_CONFIG
  -  Auto mode for CLX
  -  Correct CLX-N frequency units
  -  Change display of "avx" to "avx2"
  -  Extend command set for perf-profile
  -  Implement base-freq commands on CascadeLake-N
  -  Implement 'perf-profile info' on CascadeLake-N
  -  Implement CascadeLake-N help and command functions structures
  -  Add check for CascadeLake-N models
  -  Make process_command generic
  -  Add int argument to command functions
  -  Refuse to disable core-power when getting used
  -  Turbo-freq feature auto mode
  -  Base-freq feature auto mode
  -  Remove warning for unused result
 
 toshiba_acpi:
  -  do not select INPUT_POLLDEV
 
 touchscreen_dmi:
  -  Add info for the ezpad 6 m4 tablet
  -  Add touchscreen platform data for the Schneider SCT101CTM tablet
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Merge tag 'platform-drivers-x86-v5.5-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Andy Shevchenko:

 - New bootctl driver for Mellanox BlueField SoC.

 - New driver to support System76 laptops.

 - Temperature monitoring and fan control on Acer Aspire 7551 is now
   supported.

 - Previously the Huawei driver handled only hotkeys. After the
   conversion to WMI it has been expanded to support newer laptop
   models.

 - Big refactoring of intel-speed-select tools allows to use it on Intel
   CascadeLake-N systems.

 - Touchscreen support for ezpad 6 m4 and Schneider SCT101CTM tablets

 - Miscellaneous clean ups and fixes here and there.

* tag 'platform-drivers-x86-v5.5-1' of git://git.infradead.org/linux-platform-drivers-x86: (59 commits)
  platform/x86: hp-wmi: Fix ACPI errors caused by passing 0 as input size
  platform/x86: hp-wmi: Fix ACPI errors caused by too small buffer
  platform/x86: intel_pmc_core: Add Comet Lake (CML) platform support to intel_pmc_core driver
  platform/x86: intel_pmc_core: Fix the SoC naming inconsistency
  platform/mellanox: Fix Kconfig indentation
  tools/power/x86/intel-speed-select: Display TRL buckets for just base config level
  tools/power/x86/intel-speed-select: Ignore missing config level
  platform/x86: touchscreen_dmi: Add info for the ezpad 6 m4 tablet
  tools/power/x86/intel-speed-select: Increment version
  tools/power/x86/intel-speed-select: Use core count for base-freq mask
  tools/power/x86/intel-speed-select: Support platform with limited Intel(R) Speed Select
  tools/power/x86/intel-speed-select: Use Frequency weight for CLOS
  tools/power/x86/intel-speed-select: Make CLOS frequency in MHz
  tools/power/x86/intel-speed-select: Use mailbox for CLOS_PM_QOS_CONFIG
  tools/power/x86/intel-speed-select: Auto mode for CLX
  tools/power/x86/intel-speed-select: Correct CLX-N frequency units
  tools/power/x86/intel-speed-select: Change display of "avx" to "avx2"
  tools/power/x86/intel-speed-select: Extend command set for perf-profile
  Add touchscreen platform data for the Schneider SCT101CTM tablet
  platform/x86: intel_int0002_vgpio: Pass irqchip when adding gpiochip
  ...
2019-12-01 18:24:25 -08:00
Linus Torvalds
d004701d1c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:

 - Support for Logitech G15 (Hans de Goede)

 - HID parser improvements, improving support for some devices; e.g.
   Windows Precision Touchpad, products from Primax, etc. (Blaž
   Hrastnik, Candle Sun)

 - robustification of tablet mode support in google-whiskers driver
   (Dmitry Torokhov)

 - assorted small fixes, device-specific quirks and device ID additions

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (23 commits)
  HID: rmi: Check that the RMI_STARTED bit is set before unregistering the RMI transport device
  HID: quirks: remove hid-led devices from hid_have_special_driver
  HID: Improve Windows Precision Touchpad detection.
  HID: i2c-hid: Reset ALPS touchpads on resume
  HID: i2c-hid: fix no irq after reset on raydium 3118
  HID: logitech-hidpp: Silence intermittent get_battery_capacity errors
  HID: i2c-hid: remove orphaned member sleep_delay
  HID: quirks: Add quirk for HP MSU1465 PIXART OEM mouse
  HID: core: check whether Usage Page item is after Usage ID items
  HID: intel-ish-hid: Spelling s/diconnect/disconnect/
  HID: google: Detect base folded usage instead of hard-coding whiskers
  HID: logitech: Add depends on LEDS_CLASS to Logitech Kconfig entry
  HID: lg-g15: Add support for the G510's M1-M3 and MR LEDs
  HID: lg-g15: Add support for controlling the G510's RGB backlight
  HID: lg-g15: Add support for the G510 keyboards' gaming keys
  HID: lg-g15: Add support for the M1-M3 and MR LEDs
  HID: lg-g15: Add keyboard and LCD backlight control
  HID: Add driver for Logitech gaming keyboards (G15, G15 v2)
  Input: Add event-codes for macro keys found on various keyboards
  HID: hidraw: replace printk() with corresponding pr_xx() variant
  ...
2019-12-01 18:20:54 -08:00
Linus Torvalds
4a08fe5792 linux-watchdog 5.5-rc1 tag
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Merge tag 'linux-watchdog-5.5-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - support for NCT6116D

 - several small fixes and improvements

* tag 'linux-watchdog-5.5-rc1' of git://www.linux-watchdog.org/linux-watchdog: (24 commits)
  watchdog: jz4740: Drop dependency on MACH_JZ47xx
  watchdog: jz4740: Use regmap provided by TCU driver
  watchdog: jz4740: Use WDT clock provided by TCU driver
  dt-bindings: watchdog: sama5d4_wdt: add microchip,sam9x60-wdt compatible
  watchdog: sama5d4_wdt: cleanup the bit definitions
  watchdog: sprd: Fix the incorrect pointer getting from driver data
  watchdog: aspeed: Fix clock behaviour for ast2600
  watchdog: imx7ulp: Fix reboot hang
  watchdog: make nowayout sysfs file writable
  watchdog: prevent deferral of watchdogd wakeup on RT
  watchdog: imx7ulp: Use definitions instead of magic values
  watchdog: imx7ulp: Remove inline annotations
  watchdog: imx7ulp: Remove unused structure member
  watchdog: imx7ulp: Pass the wdog instance inimx7ulp_wdt_enable()
  watchdog: wdat_wdt: Spelling s/configrable/configurable/
  watchdog: bd70528: Trivial function documentation fix
  watchdog: cadence: Do not show error in case of deferred probe
  watchdog: Fix the race between the release of watchdog_core_data and cdev
  watchdog: sbc7240_wdt: Fix yet another -Wimplicit-fallthrough warning
  watchdog: intel-mid_wdt: Add WATCHDOG_NOWAYOUT support
  ...
2019-12-01 18:01:03 -08:00
Linus Torvalds
99a0d9f5e8 This is the bulk of GPIO changes for the v5.5 kernel cycle
Core changes:
 
 - Expose pull up/down flags for the GPIO character device to
   userspace. After clear input from the RaspberryPi and Beagle
   communities, it has been established that prototyping,
   industrial automation and make communities strongly need
   this feature, and as we want people to use the character
   device, we have implemented the simple pull up/down
   interface for GPIO lines. This means we can specify that
   a (chip-specific) pull up/down resistor can be enabled,
   but does not offer fine-grained control such as cases
   where the resistance of the same pull resistor can be
   controlled (yet).
 
 - Introduce devm_fwnode_gpiod_get_index() and start to phase out
   the old symbol devm_fwnode_get_index_gpiod_from_child().
 
 - A bit of documentation clean-up work.
 
 - Introduce a define for GPIO line directions and deploy it
   in all GPIO drivers in the drivers/gpio directory.
 
 - Add a special callback to populate pin ranges when
   cooperating with the pin control subsystem and registering
   ranges as part of adding a gpiolib driver and a
   gpio_irq_chip driver at the same time. This is also
   deployed in the Intel Merrifield driver.
 
 New drivers:
 
 - RDA Micro GPIO controller.
 
 - XGS-iproc GPIO driver.
 
 Driver improvements:
 
 - Wake event and debounce support on the Tegra 186 driver.
 
 - Finalize the Aspeed SGPIO driver.
 
 - MPC8xxx uses a normal IRQ handler rather than a chained
   handler.
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Merge tag 'gpio-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v5.5 kernel cycle

  Core changes:

   - Expose pull up/down flags for the GPIO character device to
     userspace.

     After clear input from the RaspberryPi and Beagle communities, it
     has been established that prototyping, industrial automation and
     make communities strongly need this feature, and as we want people
     to use the character device, we have implemented the simple pull
     up/down interface for GPIO lines.

     This means we can specify that a (chip-specific) pull up/down
     resistor can be enabled, but does not offer fine-grained control
     such as cases where the resistance of the same pull resistor can be
     controlled (yet).

   - Introduce devm_fwnode_gpiod_get_index() and start to phase out the
     old symbol devm_fwnode_get_index_gpiod_from_child().

   - A bit of documentation clean-up work.

   - Introduce a define for GPIO line directions and deploy it in all
     GPIO drivers in the drivers/gpio directory.

   - Add a special callback to populate pin ranges when cooperating with
     the pin control subsystem and registering ranges as part of adding
     a gpiolib driver and a gpio_irq_chip driver at the same time. This
     is also deployed in the Intel Merrifield driver.

  New drivers:

   - RDA Micro GPIO controller.

   - XGS-iproc GPIO driver.

  Driver improvements:

   - Wake event and debounce support on the Tegra 186 driver.

   - Finalize the Aspeed SGPIO driver.

   - MPC8xxx uses a normal IRQ handler rather than a chained handler"

* tag 'gpio-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (64 commits)
  gpio: Add TODO item for regmap helper
  Documentation: gpio: driver.rst: Fix warnings
  gpio: of: Fix bogus reference to gpiod_get_count()
  gpiolib: Grammar s/manager/managed/
  gpio: lynxpoint: Setup correct IRQ handlers
  MAINTAINERS: Replace my email by one @kernel.org
  gpiolib: acpi: Make acpi_gpiochip_alloc_event always return AE_OK
  gpio/mpc8xxx: fix qoriq GPIO reading
  gpio: mpc8xxx: Don't overwrite default irq_set_type callback
  gpiolib: acpi: Print pin number on acpi_gpiochip_alloc_event errors
  gpiolib: fix coding style in gpiod_hog()
  drm/bridge: ti-tfp410: switch to using fwnode_gpiod_get_index()
  gpio: merrifield: Pass irqchip when adding gpiochip
  gpio: merrifield: Add GPIO <-> pin mapping ranges via callback
  gpiolib: Introduce ->add_pin_ranges() callback
  gpio: mmio: remove untrue leftover comment
  gpio: em: Use platform_get_irq() to obtain interrupts
  gpio: tegra186: Add debounce support
  gpio: tegra186: Program interrupt route mapping
  gpio: tegra186: Derive register offsets from bank/port
  ...
2019-12-01 17:56:50 -08:00
Linus Torvalds
37323918ca - Core Frameworks
- Add support for a "resource managed strongly uncachable ioremap" call
    - Provide a collection of MFD helper macros
    - Remove mfd_clone_cell() from MFD core
    - Add NULL de-reference protection in MFD core
    - Remove superfluous function fd_platform_add_cell() from MFD core
    - Honour Device Tree's request to disable a device
 
  - New Drivers
    - Add support for MediaTek MT6323 PMIC
 
  - New Device Support
    - Add support for Gemini Lake to Intel LPSS PCI
    - Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC CRC
    - Add support for PM{I}8950 to Qualcomm SPMI PMIC
    - Add support for U8420 to ST-Ericsson DB8500
    - Add support for Comet Lake PCH-H to Intel LPSS PCI
 
  - New Functionality
    - Add support for requested supply clocks; madera-core
 
  - Fix-ups
    - Lower interrupt priority; rk808
    - Use provided helpers (macros, group functions, defines); rk808,
 		ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
    - Only allocate IRQs on request; max77620
    - Use simplified API; arizona-core
    - Remove redundant and/or duplicated code; wm8998-tables, arizona, syscon
    - Device Tree binding fix-ups; madera, max77650, max77693
    - Remove mfd_cell->id abuse hack; cs5535-mfd
    - Remove only user of mfd_clone_cell(); cs5535-mfd
    - Make resources static; rohm-bd70528
 
  - Bug Fixes
    - Fix product ID for RK818; rk808
    - Fix Power Key; rk808
    - Fix booting on the BananaPi; mt6397-core
    - Endian fix-ups; twl.h
    - Fix static error checker warnings; ti_am335x_tscadc
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Merge tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Add support for a "resource managed strongly uncachable ioremap"
     call
   - Provide a collection of MFD helper macros
   - Remove mfd_clone_cell() from MFD core
   - Add NULL de-reference protection in MFD core
   - Remove superfluous function fd_platform_add_cell() from MFD core
   - Honour Device Tree's request to disable a device

  New Drivers:
   - Add support for MediaTek MT6323 PMIC

  New Device Support:
   - Add support for Gemini Lake to Intel LPSS PCI
   - Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC
     CRC
   - Add support for PM{I}8950 to Qualcomm SPMI PMIC
   - Add support for U8420 to ST-Ericsson DB8500
   - Add support for Comet Lake PCH-H to Intel LPSS PCI

  New Functionality:
   - Add support for requested supply clocks; madera-core

  Fix-ups:
   - Lower interrupt priority; rk808
   - Use provided helpers (macros, group functions, defines); rk808,
     ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
   - Only allocate IRQs on request; max77620
   - Use simplified API; arizona-core
   - Remove redundant and/or duplicated code; wm8998-tables, arizona,
     syscon
   - Device Tree binding fix-ups; madera, max77650, max77693
   - Remove mfd_cell->id abuse hack; cs5535-mfd
   - Remove only user of mfd_clone_cell(); cs5535-mfd
   - Make resources static; rohm-bd70528

  Bug Fixes:
   - Fix product ID for RK818; rk808
   - Fix Power Key; rk808
   - Fix booting on the BananaPi; mt6397-core
   - Endian fix-ups; twl.h
   - Fix static error checker warnings; ti_am335x_tscadc"

* tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (47 commits)
  Revert "mfd: syscon: Set name of regmap_config"
  mfd: ti_am335x_tscadc: Fix static checker warning
  mfd: bd70528: Staticize bit value definitions
  mfd: mfd-core: Honour Device Tree's request to disable a child-device
  dt-bindings: mfd: max77693: Fix missing curly brace
  mfd: intel-lpss: Add Intel Comet Lake PCH-H PCI IDs
  mfd: db8500-prcmu: Support U8420-sysclk firmware
  dt-bindings: mfd: max77650: Convert the binding document to yaml
  mfd: mfd-core: Move pdev->mfd_cell creation back into mfd_add_device()
  mfd: mfd-core: Remove usage counting for .{en,dis}able() call-backs
  x86: olpc-xo1-sci: Remove invocation of MFD's .enable()/.disable() call-backs
  x86: olpc-xo1-pm: Remove invocation of MFD's .enable()/.disable() call-backs
  mfd: mfd-core: Remove mfd_clone_cell()
  mfd: mfd-core: Protect against NULL call-back function pointer
  mfd: cs5535-mfd: Register clients using their own dedicated MFD cell entries
  mfd: cs5535-mfd: Request shared IO regions centrally
  mfd: cs5535-mfd: Remove mfd_cell->id hack
  mfd: cs5535-mfd: Use PLATFORM_DEVID_* defines and tidy error message
  mfd: intel_soc_pmic_crc: Add "cht_crystal_cove_pmic" cell to CHT cells
  mfd: madera: Add support for requesting the supply clocks
  ...
2019-12-01 16:16:31 -08:00
Linus Torvalds
38edc3dff9 - New Functionality
- Add support for an enable GPIO; lm3630a_bl
    - Add support for short circuit handling; qcom-wled
    - Add support for automatic string detection; qcom-wled
 
  - Fix-ups
    - Update Device Tree bindings; lm3630a-backlight, led-backlight, qcom-wled
    - Constify; ipaq_micro_bl
    - Optimise for CPU cycles; pwm_bl
    - Coding style fix-ups; pwm_bl
    - Trivial fix-ups (white space, comments, renaming); pwm_bl,
 		gpio_backlight, qcom-wled
    - Kconfig dependency hacking; LCD_HP700
    - Rename, refactor and add peripherals; pm8941-wled => qcom-wled
    - Make use of GPIO look-up tables; tosa_bl, tosa_lcd
    - Remove superfluous code; gpio_backlight
    - Adapt GPIO direction handling; gpio_backlight
    - Remove legacy use of platform data; gpio_backlight
 
  - Bug Fixes
    - Provide modules aliases; lm3630a_bl
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Merge tag 'backlight-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Functionality:
   - Add support for an enable GPIO; lm3630a_bl
   - Add support for short circuit handling; qcom-wled
   - Add support for automatic string detection; qcom-wled

  Fix-ups:
   - Update Device Tree bindings; lm3630a-backlight, led-backlight,
     qcom-wled
   - Constify; ipaq_micro_bl
   - Optimise for CPU cycles; pwm_bl
   - Coding style fix-ups; pwm_bl
   - Trivial fix-ups (white space, comments, renaming); pwm_bl,
     gpio_backlight, qcom-wled
   - Kconfig dependency hacking; LCD_HP700
   - Rename, refactor and add peripherals; pm8941-wled => qcom-wled
   - Make use of GPIO look-up tables; tosa_bl, tosa_lcd
   - Remove superfluous code; gpio_backlight
   - Adapt GPIO direction handling; gpio_backlight
   - Remove legacy use of platform data; gpio_backlight

  Bug Fixes:
   - Provide modules aliases; lm3630a_bl"

* tag 'backlight-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (32 commits)
  backlight: qcom-wled: Fix spelling mistake "trigged" -> "triggered"
  backlight: gpio: Pull gpio_backlight_initial_power_state() into probe
  backlight: gpio: Use a helper variable for &pdev->dev
  backlight: gpio: Remove unused fields from platform data
  sh: ecovec24: don't set unused fields in platform data
  backlight: gpio: Simplify the platform data handling
  sh: ecovec24: add additional properties to the backlight device
  backlight: gpio: Explicitly set the direction of the GPIO
  backlight: gpio: Remove stray newline
  backlight: gpio: Remove unneeded include
  video: backlight: tosa: Use GPIO lookup table
  backlight: qcom-wled: Add auto string detection logic
  backlight: qcom-wled: Add support for short circuit handling
  backlight: qcom-wled: Add support for WLED4 peripheral
  backlight: qcom-wled: Restructure the driver for WLED3
  backlight: qcom-wled: Rename PM8941* to WLED3
  backlight: qcom-wled: Add new properties for PMI8998
  backlight: qcom-wled: Restructure the qcom-wled bindings
  backlight: qcom-wled: Rename pm8941-wled.c to qcom-wled.c
  dt-bindings: backlight: lm3630a: Fix missing include
  ...
2019-12-01 16:13:39 -08:00
Linus Torvalds
8b233da0cc Fixes a MODULE_LICENSE() problem in the Equilibrium pin
controller.
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Merge tag 'pinctrl-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fix from Linus Walleij:
 "A oneliner fix adding the license to the new Intel pin controller,
  avoiding a build-time warning"

* tag 'pinctrl-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: Fix warning by adding missing MODULE_LICENSE
2019-12-01 16:12:21 -08:00
Linus Torvalds
304220b56e Merge tag 'leds-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
 "This contains usual small updates to drivers, and removal of PAGE_SIZE
  limits on /sys/class/leds/<led>/trigger.

  We should not be really having that many triggers; but with cpu
  activity triggers we do, and we'll eventually need to fix it, but...
  remove the limit for now"

* tag 'leds-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (26 commits)
  leds: trigger: netdev: fix handling on interface rename
  leds: an30259a: add a check for devm_regmap_init_i2c
  leds: mlxreg: Fix possible buffer overflow
  leds: pca953x: Use of_device_get_match_data()
  leds: core: Fix leds.h structure documentation
  leds: core: Fix devm_classdev_match to reference correct structure
  leds: core: Remove extern from header
  leds: lm3601x: Convert class registration to device managed
  leds: flash: Add devm_* functions to the flash class
  leds: flash: Remove extern from the header file
  leds: flash: Convert non extended registration to inline
  leds: Kconfig: Be consistent with the usage of "LED"
  leds: remove PAGE_SIZE limit of /sys/class/leds/<led>/trigger
  leds: tlc591xx: update the maximum brightness
  leds: lm3692x: Use flags from LM3692X_BRT_CTRL
  leds: lm3692x: Use flags from LM3692X_BOOST_CTRL
  leds: lm3692x: Handle failure to probe the regulator
  leds: lm3692x: Don't overwrite return value in error path
  leds: lm3692x: Print error value on dev_err
  leds: tlc591xx: use devm_led_classdev_register_ext()
  ...
2019-12-01 16:09:28 -08:00
Linus Torvalds
ddebe839c6 This merge window we have one small clk provider API in the core framework and
then a bunch of driver updates and a handful of new drivers. In terms of
 diffstat the Qualcomm and Amlogic drivers are high up there because of all the
 clk data introcued by new drivers. The Nvidia Tegra driver had a lot of work
 done this cycle too to support suspend/resume and memory controllers. And the
 OMAP clk driver got proper clk and reset handling in place.
 
 Rounding out the patches are various updates to remove unused data, mark things
 static, correct incorrect data in drivers, etc. All the little things that
 improve drivers and maintain code health. I will point out that there's a patch
 in here for the GPIO clk driver, that almost nobody uses, which changes
 behavior and causes clk_set_rate() to try to change the GPIO gate clk's parent.
 Other than that things are fairly well SoC specific here.
 
 Core:
  - Add a clk provider API to get current parent index
  - Plug a memory leak in clk_unregister() path
 
 New Drivers:
  - CGU in Ingenix X1000
  - Bitmain BM1880 clks
  - Qualcomm MSM8998 GPU clk controllers
  - Qualcomm SC7180 GCC and RPMH clk controllers
  - Qualcomm QCS404 Q6SSTOP clk controllers
  - Add support for the Renesas R-Car M3-W+ (r8a77961) SoC
  - Add support for the Renesas RZ/G2N (r8a774b1) SoC
  - Add Tegra20/30 External Memory Clock (EMC) support
 
 Updates:
  - Make gpio gate clks propagate rate setting up to parent
  - Prepare Armada 3700 for suspend to RAM by moving PCIe suspend/resume priority
  - Drop unused variables, enums, etc. in various clk drivers
  - Convert various drivers to use devm_platform_ioremap_resource()
  - Use struct_size() some more in various clk drivers
  - Improve Rockchip px30 clk tree
  - Add suspend/resume support to Tegra210 clk driver
  - Reimplement SOR clks on earlier Tegra SoCs, helping HDMI and DP
  - Allwinner DT exports and H6 clk tree fixes
  - Proper clk and reset handling for OMAP SoCs
  - Revamped TI divider clk to clamp max divider
  - Make 1443X/1416X PLL clock structure common for reusing among i.MX8 SoCs
  - Drop IMX7ULP_CLK_MIPI_PLL clock, it shouldn't be used
  - Add VIDEO2_PLL clock for imx8mq
  - Add missing gate clock for pll1/2 fixed dividers on i.MX8 SoCs
  - Add sm1 support in the Amlogic audio clock controller
  - Switch some clocks on R-Car Gen2/3 to .determine_rate()
  - Remove Renesas R-Car Gen2 legacy DT clock support
  - Improve arithmetic divisions on Renesas R-Car Gen2 and Gen3
  - Improve Renesas R-Car Gen3 SD clock handling
  - Add rate table for Samsung exynos542x GPU and VPLL clks
  - Fix potential CPU performance degradation after system suspend/resume cycle
    on exynos542x SoCs
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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:
 "This merge window we have one small clk provider API in the core
  framework and then a bunch of driver updates and a handful of new
  drivers. In terms of diffstat the Qualcomm and Amlogic drivers are
  high up there because of all the clk data introcued by new drivers.
  The Nvidia Tegra driver had a lot of work done this cycle too to
  support suspend/resume and memory controllers. And the OMAP clk driver
  got proper clk and reset handling in place.

  Rounding out the patches are various updates to remove unused data,
  mark things static, correct incorrect data in drivers, etc. All the
  little things that improve drivers and maintain code health. I will
  point out that there's a patch in here for the GPIO clk driver, that
  almost nobody uses, which changes behavior and causes clk_set_rate()
  to try to change the GPIO gate clk's parent. Other than that things
  are fairly well SoC specific here.

  Core:
   - Add a clk provider API to get current parent index
   - Plug a memory leak in clk_unregister() path

  New Drivers:
   - CGU in Ingenix X1000
   - Bitmain BM1880 clks
   - Qualcomm MSM8998 GPU clk controllers
   - Qualcomm SC7180 GCC and RPMH clk controllers
   - Qualcomm QCS404 Q6SSTOP clk controllers
   - Add support for the Renesas R-Car M3-W+ (r8a77961) SoC
   - Add support for the Renesas RZ/G2N (r8a774b1) SoC
   - Add Tegra20/30 External Memory Clock (EMC) support

  Updates:
   - Make gpio gate clks propagate rate setting up to parent
   - Prepare Armada 3700 for suspend to RAM by moving PCIe
     suspend/resume priority
   - Drop unused variables, enums, etc. in various clk drivers
   - Convert various drivers to use devm_platform_ioremap_resource()
   - Use struct_size() some more in various clk drivers
   - Improve Rockchip px30 clk tree
   - Add suspend/resume support to Tegra210 clk driver
   - Reimplement SOR clks on earlier Tegra SoCs, helping HDMI and DP
   - Allwinner DT exports and H6 clk tree fixes
   - Proper clk and reset handling for OMAP SoCs
   - Revamped TI divider clk to clamp max divider
   - Make 1443X/1416X PLL clock structure common for reusing among i.MX8
     SoCs
   - Drop IMX7ULP_CLK_MIPI_PLL clock, it shouldn't be used
   - Add VIDEO2_PLL clock for imx8mq
   - Add missing gate clock for pll1/2 fixed dividers on i.MX8 SoCs
   - Add sm1 support in the Amlogic audio clock controller
   - Switch some clocks on R-Car Gen2/3 to .determine_rate()
   - Remove Renesas R-Car Gen2 legacy DT clock support
   - Improve arithmetic divisions on Renesas R-Car Gen2 and Gen3
   - Improve Renesas R-Car Gen3 SD clock handling
   - Add rate table for Samsung exynos542x GPU and VPLL clks
   - Fix potential CPU performance degradation after system
     suspend/resume cycle on exynos542x SoCs"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (160 commits)
  clk: aspeed: Add RMII RCLK gates for both AST2500 MACs
  MAINTAINERS: Add entry for BM1880 SoC clock driver
  clk: Add common clock driver for BM1880 SoC
  dt-bindings: clock: Add devicetree binding for BM1880 SoC
  clk: Add clk_hw_unregister_composite helper function definition
  clk: Zero init clk_init_data in helpers
  clk: ingenic: Allow drivers to be built with COMPILE_TEST
  MAINTAINERS: Update section for Ux500 clock drivers
  clk: mark clk_disable_unused() as __init
  clk: Fix memory leak in clk_unregister()
  clk: Ingenic: Add CGU driver for X1000.
  dt-bindings: clock: Add X1000 bindings.
  clk: tegra: Use match_string() helper to simplify the code
  clk: pxa: fix one of the pxa RTC clocks
  clk: sprd: Use IS_ERR() to validate the return value of syscon_regmap_lookup_by_phandle()
  clk: armada-xp: remove unused code
  clk: tegra: Fix build error without CONFIG_PM_SLEEP
  clk: tegra: Add missing stubs for the case of !CONFIG_PM_SLEEP
  clk: tegra: Optimize PLLX restore on Tegra20/30
  clk: tegra: Add suspend and resume support on Tegra210
  ...
2019-12-01 16:06:02 -08:00
Linus Torvalds
ceb3074745 y2038: syscall implementation cleanups
This is a series of cleanups for the y2038 work, mostly intended
 for namespace cleaning: the kernel defines the traditional
 time_t, timeval and timespec types that often lead to y2038-unsafe
 code. Even though the unsafe usage is mostly gone from the kernel,
 having the types and associated functions around means that we
 can still grow new users, and that we may be missing conversions
 to safe types that actually matter.
 
 There are still a number of driver specific patches needed to
 get the last users of these types removed, those have been
 submitted to the respective maintainers.
 
 Link: https://lore.kernel.org/lkml/20191108210236.1296047-1-arnd@arndb.de/
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'y2038-cleanups-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground

Pull y2038 cleanups from Arnd Bergmann:
 "y2038 syscall implementation cleanups

  This is a series of cleanups for the y2038 work, mostly intended for
  namespace cleaning: the kernel defines the traditional time_t, timeval
  and timespec types that often lead to y2038-unsafe code. Even though
  the unsafe usage is mostly gone from the kernel, having the types and
  associated functions around means that we can still grow new users,
  and that we may be missing conversions to safe types that actually
  matter.

  There are still a number of driver specific patches needed to get the
  last users of these types removed, those have been submitted to the
  respective maintainers"

Link: https://lore.kernel.org/lkml/20191108210236.1296047-1-arnd@arndb.de/

* tag 'y2038-cleanups-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground: (26 commits)
  y2038: alarm: fix half-second cut-off
  y2038: ipc: fix x32 ABI breakage
  y2038: fix typo in powerpc vdso "LOPART"
  y2038: allow disabling time32 system calls
  y2038: itimer: change implementation to timespec64
  y2038: move itimer reset into itimer.c
  y2038: use compat_{get,set}_itimer on alpha
  y2038: itimer: compat handling to itimer.c
  y2038: time: avoid timespec usage in settimeofday()
  y2038: timerfd: Use timespec64 internally
  y2038: elfcore: Use __kernel_old_timeval for process times
  y2038: make ns_to_compat_timeval use __kernel_old_timeval
  y2038: socket: use __kernel_old_timespec instead of timespec
  y2038: socket: remove timespec reference in timestamping
  y2038: syscalls: change remaining timeval to __kernel_old_timeval
  y2038: rusage: use __kernel_old_timeval
  y2038: uapi: change __kernel_time_t to __kernel_old_time_t
  y2038: stat: avoid 'time_t' in 'struct stat'
  y2038: ipc: remove __kernel_time_t reference from headers
  y2038: vdso: powerpc: avoid timespec references
  ...
2019-12-01 14:00:59 -08:00
Linus Torvalds
0da522107e compat_ioctl: remove most of fs/compat_ioctl.c
As part of the cleanup of some remaining y2038 issues, I came to
 fs/compat_ioctl.c, which still has a couple of commands that need support
 for time64_t.
 
 In completely unrelated work, I spent time on cleaning up parts of this
 file in the past, moving things out into drivers instead.
 
 After Al Viro reviewed an earlier version of this series and did a lot
 more of that cleanup, I decided to try to completely eliminate the rest
 of it and move it all into drivers.
 
 This series incorporates some of Al's work and many patches of my own,
 but in the end stops short of actually removing the last part, which is
 the scsi ioctl handlers. I have patches for those as well, but they need
 more testing or possibly a rewrite.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'compat-ioctl-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground

Pull removal of most of fs/compat_ioctl.c from Arnd Bergmann:
 "As part of the cleanup of some remaining y2038 issues, I came to
  fs/compat_ioctl.c, which still has a couple of commands that need
  support for time64_t.

  In completely unrelated work, I spent time on cleaning up parts of
  this file in the past, moving things out into drivers instead.

  After Al Viro reviewed an earlier version of this series and did a lot
  more of that cleanup, I decided to try to completely eliminate the
  rest of it and move it all into drivers.

  This series incorporates some of Al's work and many patches of my own,
  but in the end stops short of actually removing the last part, which
  is the scsi ioctl handlers. I have patches for those as well, but they
  need more testing or possibly a rewrite"

* tag 'compat-ioctl-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground: (42 commits)
  scsi: sd: enable compat ioctls for sed-opal
  pktcdvd: add compat_ioctl handler
  compat_ioctl: move SG_GET_REQUEST_TABLE handling
  compat_ioctl: ppp: move simple commands into ppp_generic.c
  compat_ioctl: handle PPPIOCGIDLE for 64-bit time_t
  compat_ioctl: move PPPIOCSCOMPRESS to ppp_generic
  compat_ioctl: unify copy-in of ppp filters
  tty: handle compat PPP ioctls
  compat_ioctl: move SIOCOUTQ out of compat_ioctl.c
  compat_ioctl: handle SIOCOUTQNSD
  af_unix: add compat_ioctl support
  compat_ioctl: reimplement SG_IO handling
  compat_ioctl: move WDIOC handling into wdt drivers
  fs: compat_ioctl: move FITRIM emulation into file systems
  gfs2: add compat_ioctl support
  compat_ioctl: remove unused convert_in_user macro
  compat_ioctl: remove last RAID handling code
  compat_ioctl: remove /dev/raw ioctl translation
  compat_ioctl: remove PCI ioctl translation
  compat_ioctl: remove joystick ioctl translation
  ...
2019-12-01 13:46:15 -08:00
Linus Torvalds
ad0b314e00 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull sysctl system call removal from Eric Biederman:
 "As far as I can tell we have reached the point where no one enables
  the sysctl system call anymore. It still is enabled in a few
  defconfigs but they are mostly the rarely used one and in asking
  people about that it was more cut & paste enabled than anything else.

  This is single commit that just deletes code. Leaving just enough code
  so that the deprecated sysctl warning continues to be printed. If my
  analysis turns out to be wrong and someone actually cares it will be
  easy to revert this commit and have the system call again.

  There was one new xtensa defconfig in linux-next that enabled the
  system call this cycle and when asked about it the maintainer of the
  code replied that it was not enabled on purpose. As of today's
  linux-next tree that defconfig no longer enables the system call.

  What we saw in the review discussion was that if we go a step farther
  than my patch and mess with uapi headers there are pieces of code that
  won't compile, but nothing minds the system call actually disappearing
  from the kernel"

Link: https://lore.kernel.org/lkml/201910011140.EA0181F13@keescook/

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  sysctl: Remove the sysctl system call
2019-12-01 13:26:18 -08:00
David S. Miller
c5d7281135 Merge branch 'openvswitch-remove-a-couple-of-BUG_ON'
Paolo Abeni says:

====================
openvswitch: remove a couple of BUG_ON()

The openvswitch kernel datapath includes some BUG_ON() statements to check
for exceptional/unexpected failures. These patches drop a couple of them,
where we can do that without introducing other side effects.

v1 -> v2:
 - avoid memory leaks on error path
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-01 13:21:24 -08:00
Paolo Abeni
8a574f8665 openvswitch: remove another BUG_ON()
If we can't build the flow del notification, we can simply delete
the flow, no need to crash the kernel. Still keep a WARN_ON to
preserve debuggability.

Note: the BUG_ON() predates the Fixes tag, but this change
can be applied only after the mentioned commit.

v1 -> v2:
 - do not leak an skb on error

Fixes: aed067783e ("openvswitch: Minimize ovs_flow_cmd_del critical section.")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-01 13:21:24 -08:00
Paolo Abeni
8ffeb03fbb openvswitch: drop unneeded BUG_ON() in ovs_flow_cmd_build_info()
All the callers of ovs_flow_cmd_build_info() already deal with
error return code correctly, so we can handle the error condition
in a more gracefull way. Still dump a warning to preserve
debuggability.

v1 -> v2:
 - clarify the commit message
 - clean the skb and report the error (DaveM)

Fixes: ccb1352e76 ("net: Add Open vSwitch kernel components.")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-01 13:21:24 -08:00
Heiner Kallweit
f3284e0148 net: phy: realtek: fix using paged operations with RTL8105e / RTL8208
It was reported [0] that since the referenced commit a warning is
triggered in phylib that complains about paged operations being used
with a PHY driver that doesn't support this. The commit isn't wrong,
just for one chip version (RTL8105e) no dedicated PHY driver exists
yet. So add the missing PHY driver.

[0] https://bugzilla.kernel.org/show_bug.cgi?id=202103

Fixes: 3a129e3f9a ("r8169: switch to phylib functions in more places")
Reported-by: jhdskag3 <jhdskag3@tutanota.com>
Tested-by: jhdskag3 <jhdskag3@tutanota.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-01 13:14:21 -08:00
Heiner Kallweit
398fd408cc r8169: fix resume on cable plug-in
It was reported [0] that network doesn't wake up on cable plug-in with
certain chip versions. Reason is that on these chip versions the PHY
doesn't detect cable plug-in when being in power-down mode. So prevent
the PHY from powering down if WoL is enabled.

[0] https://bugzilla.kernel.org/show_bug.cgi?id=202103

Fixes: 95fb8bb318 ("net: phy: force phy suspend when calling phy_stop")
Reported-by: jhdskag3 <jhdskag3@tutanota.com>
Tested-by: jhdskag3 <jhdskag3@tutanota.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-01 13:14:21 -08:00
Heiner Kallweit
14012c9f3b r8169: fix jumbo configuration for RTL8168evl
Alan reported [0] that network is broken since the referenced commit
when using jumbo frames. This commit isn't wrong, it just revealed
another issue that has been existing before. According to the vendor
driver the RTL8168e-specific jumbo config doesn't apply for RTL8168evl.

[0] https://lkml.org/lkml/2019/11/30/119

Fixes: 4ebcb113ed ("r8169: fix jumbo packet handling on resume from suspend")
Reported-by: Alan J. Wylie <alan@wylie.me.uk>
Tested-by: Alan J. Wylie <alan@wylie.me.uk>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-01 13:14:21 -08:00
Minchan Kim
937790699b mm/page_io.c: annotate refault stalls from swap_readpage
If a block device supports rw_page operation, it doesn't submit bios so
the annotation in submit_bio() for refault stall doesn't work.  It
happens with zram in android, especially swap read path which could
consume CPU cycle for decompress.  It is also a problem for zswap which
uses frontswap.

Annotate swap_readpage() to account the synchronous IO overhead to
prevent underreport memory pressure.

[akpm@linux-foundation.org: add comment, per Johannes]
Link: http://lkml.kernel.org/r/20191010152134.38545-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-01 12:59:11 -08:00
Randy Dunlap
dd33d29a19 mm/Kconfig: fix trivial help text punctuation
End a Kconfig help text sentence with a period (aka full stop).

Link: http://lkml.kernel.org/r/c17f2c75-dc2a-42a4-2229-bb6b489addf2@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-01 12:59:10 -08:00
Krzysztof Kozlowski
19fa40a0f2 mm/Kconfig: fix indentation
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:

	$ sed -e 's/^        /	/' -i */Kconfig

Link: http://lkml.kernel.org/r/1574306437-28837-1-git-send-email-krzk@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Kosina <trivial@kernel.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-01 12:59:10 -08:00
Souptick Joarder
12cc1c7345 mm/memory_hotplug.c: remove __online_page_set_limits()
__online_page_set_limits() is a dummy function - remove it and all
callers.

Link: http://lkml.kernel.org/r/8e1bc9d3b492f6bde16e95ebc1dee11d6aefabd7.1567889743.git.jrdr.linux@gmail.com
Link: http://lkml.kernel.org/r/854db2cf8145d9635249c95584d9a91fd774a229.1567889743.git.jrdr.linux@gmail.com
Link: http://lkml.kernel.org/r/9afe6c5a18158f3884a6b302ac2c772f3da49ccc.1567889743.git.jrdr.linux@gmail.com
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-01 12:59:10 -08:00
Wei Yang
f4f5329d45 mm: fix typos in comments when calling __SetPageUptodate()
There are several places emphasise the effect of __SetPageUptodate(),
while the comment seems to have a typo in two places.

Link: http://lkml.kernel.org/r/20190926023705.7226-1-richardw.yang@linux.intel.com
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-01 12:59:10 -08:00
Hao Lee
84218b552e mm: fix struct member name in function comments
The member in struct zonelist is _zonerefs instead of zones.

Link: http://lkml.kernel.org/r/20190927144049.GA29622@haolee.github.io
Signed-off-by: Hao Lee <haolee.swjtu@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Wei Yang <richardw.yang@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-01 12:59:10 -08:00