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12395 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
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0cf710f8c6 |
Power management fixes for v4.15-rc2
These add missing module information to the Mediatek cpufreq driver module (Jesse Chan), fix config dependencies for the Loongson cpufreq driver (James Hogan) and fix two issues related to CPU offline in the cpupower utility (Abhishek Goel). -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJaIAeoAAoJEILEb/54YlRx4wMP/1qqVZqbdIjABZcAzyWy92Rf dj78h3JzMY89YtegfQd4dgg+p5/JGvRMhvq7Hroz3pLryRA1EmTzLOs86453eyqp VY6B9ER+IaFyaW9dbDrVMpKcvaJuFgX7n2FPfsDzFY4E710NTss9kBjJGbYv+0MD CSy0QoK8V6erFrhToxKJsHkvkJaM+zZwCFGU36pVRz5xly4GylgWQ6rsbqlKFVwd 6kHIm4xQ5e16eE8KROQPQwFk5myEhCg28JwpdHPwGLOwdBGNuoDrwxmIB/56pv/k MDUaS98YBcPLgVAjKHAqfL7FsFeli0Agxv9Q9NfkNjg7PSPizDSgJlmoQAnptrka WkDQez0Fz3VoTVteaGn9cdpZCSZ+Jr5hevKqMSBl/1EkxsFhcQOn4uLln52ufCsh 9vUIjmmVc7CGWkxrHcmlyrTpWRVHuRDFw8ybzkbcejZDCs/wXTNIOhzZSyga0Fc5 LE9+ogvzRLLjSth3PIStX0L2M8VrFoGf4kwRrpOBO/agUJjZFz2ON7mEQJkoxKjm iB9L+NdczfJW2vh89NFFlBYS9Gz7XrBTW5Bvc5962hGXgPvvq23yJ/3naGw+JTU1 nPTaHBzw8S3K+ASTk+P98EPqh3kb2ZAobmR4I6UcJDqfWRj43xIkvRsArJ50H/S2 odzEKDOggkdeinERbOq8 =ZzZK -----END PGP SIGNATURE----- Merge tag 'pm-4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: - add missing module information to the Mediatek cpufreq driver module (Jesse Chan) - fix config dependencies for the Loongson cpufreq driver (James Hogan) - fix two issues related to CPU offline in the cpupower utility (Abhishek Goel). * tag 'pm-4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: mediatek: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE cpufreq: Add Loongson machine dependencies cpupower : Fix cpupower working when cpu0 is offline cpupowerutils: bench - Fix cpu online check |
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Linus Torvalds
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02fc87b117 |
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar: - topology enumeration fixes - KASAN fix - two entry fixes (not yet the big series related to KASLR) - remove obsolete code - instruction decoder fix - better /dev/mem sanity checks, hopefully working better this time - pkeys fixes - two ACPI fixes - 5-level paging related fixes - UMIP fixes that should make application visible faults more debuggable - boot fix for weird virtualization environment * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) x86/decoder: Add new TEST instruction pattern x86/PCI: Remove unused HyperTransport interrupt support x86/umip: Fix insn_get_code_seg_params()'s return value x86/boot/KASLR: Remove unused variable x86/entry/64: Add missing irqflags tracing to native_load_gs_index() x86/mm/kasan: Don't use vmemmap_populate() to initialize shadow x86/entry/64: Fix entry_SYSCALL_64_after_hwframe() IRQ tracing x86/pkeys/selftests: Fix protection keys write() warning x86/pkeys/selftests: Rename 'si_pkey' to 'siginfo_pkey' x86/mpx/selftests: Fix up weird arrays x86/pkeys: Update documentation about availability x86/umip: Print a warning into the syslog if UMIP-protected instructions are used x86/smpboot: Fix __max_logical_packages estimate x86/topology: Avoid wasting 128k for package id array perf/x86/intel/uncore: Cache logical pkg id in uncore driver x86/acpi: Reduce code duplication in mp_override_legacy_irq() x86/acpi: Handle SCI interrupts above legacy space gracefully x86/boot: Fix boot failure when SMP MP-table is based at 0 x86/mm: Limit mmap() of /dev/mem to valid physical addresses x86/selftests: Add test for mapping placement for 5-level paging ... |
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Linus Torvalds
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fcbc38b1b2 |
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Ingo Molnar: "A handful of objtool fixes, most of them related to making the UAPI header-syncing warnings easier to read and easier to act upon" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tools/headers: Sync objtool UAPI header objtool: Fix cross-build objtool: Move kernel headers/code sync check to a script objtool: Move synced files to their original relative locations objtool: Make unreachable annotation inline asms explicitly volatile objtool: Add a comment for the unreachable annotation macros |
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Linus Torvalds
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5e2fda4776 |
Kbuild updates for v4.15 (2nd)
- Use pwd instead of /bin/pwd for portability - Clean up Makefiles - Fix ld-option for clang - Fix malloc'ed data size in Kconfig - Fix parallel building along with coccicheck - Fix a minor issue of package building - Prompt to use "rpm-pkg" instead of "rpm" - Clean up *.i and *.lst patterns by "make clean" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJaGEuYAAoJED2LAQed4NsG1H8P/1cKSZk7G9tA1L7DndvoTNLz oc+wM7dUQ3NBndBsyymGe3/cvmlPoB6tam5otAyHaDjBsiGL6pQAeCi1RjJ24aMO BHb3vUWLh7GiGnIpe9uMNYIghuRpHdK53rkh9uPaKXmLZBSHtOdd81wHlZGsUdyY 6U2HHUM6c6KiueTYuULiP2wXE6u0YhREjb5MUL6SThAoME0tDaf7JnWguo7sKJAv CUlw9196LoDtj/2VRN3Rd9baGefqDw05PYqUZ9RWfCcl/h8gm7Xo9jW8THRLTIj5 hRbqNRDHEBjN0QY1FFghrfQf8Iud7zyZC2bzD+0PeUHtIMsb2zA+0zNzdOLN8y9f VC34LcQjpG4k9jgrRabAt5xJKcKPLA3rBfkZdB36NKnyj0EFndGoR5YaYsINFBrd Asg58Es6OQVINvLdinInpp2GAZAz30zNuF1VivjKgDIUpMw1yU7x5h+Sea3+b5n2 hO439hlQj4Hb5yNrKeDVaOUJ8eY4yIUtGAUm1vFXODdC4y5FcH7aNf5GiY5bxC7n warleTm/DxCV9CI2MANOJmJgC2XgdE7/JNMNvWQnjcmOvhFywyYE65c26QMLIQSM k2L0b26FtlES3aCUUKaAmBvAGEZznturBg0fmpnuIULHvYWf2aLndzWDv6C5LhiQ mC3FAJc1rzDfQR7UsPrs =a2Td -----END PGP SIGNATURE----- Merge tag 'kbuild-v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull more Kbuild updates from Masahiro Yamada: - use 'pwd' instead of '/bin/pwd' for portability - clean up Makefiles - fix ld-option for clang - fix malloc'ed data size in Kconfig - fix parallel building along with coccicheck - fix a minor issue of package building - prompt to use "rpm-pkg" instead of "rpm" - clean up *.i and *.lst patterns by "make clean" * tag 'kbuild-v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: drop $(extra-y) from real-objs-y kbuild: clean up *.i and *.lst patterns by make clean kbuild: rpm: prompt to use "rpm-pkg" if "rpm" target is used kbuild: pkg: use --transform option to prefix paths in tar coccinelle: fix parallel build with CHECK=scripts/coccicheck kconfig/symbol.c: use correct pointer type argument for sizeof kbuild: Set KBUILD_CFLAGS before incl. arch Makefile kbuild: remove all dummy assignments to obj- kbuild: create built-in.o automatically if parent directory wants it kbuild: /bin/pwd -> pwd |
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David S. Miller
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e4be7baba8 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2017-11-23
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Several BPF offloading fixes, from Jakub. Among others:
- Limit offload to cls_bpf and XDP program types only.
- Move device validation into the driver and don't make
any assumptions about the device in the classifier due
to shared blocks semantics.
- Don't pass offloaded XDP program into the driver when
it should be run in native XDP instead. Offloaded ones
are not JITed for the host in such cases.
- Don't destroy device offload state when moved to
another namespace.
- Revert dumping offload info into user space for now,
since ifindex alone is not sufficient. This will be
redone properly for bpf-next tree.
2) Fix test_verifier to avoid using bpf_probe_write_user()
helper in test cases, since it's dumping a warning into
kernel log which may confuse users when only running tests.
Switch to use bpf_trace_printk() instead, from Yonghong.
3) Several fixes for correcting ARG_CONST_SIZE_OR_ZERO semantics
before it becomes uabi, from Gianluca. More specifically:
- Add a type ARG_PTR_TO_MEM_OR_NULL that is used only
by bpf_csum_diff(), where the argument is either a
valid pointer or NULL. The subsequent ARG_CONST_SIZE_OR_ZERO
then enforces a valid pointer in case of non-0 size
or a valid pointer or NULL in case of size 0. Given
that, the semantics for ARG_PTR_TO_MEM in combination
with ARG_CONST_SIZE_OR_ZERO are now such that in case
of size 0, the pointer must always be valid and cannot
be NULL. This fix in semantics allows for bpf_probe_read()
to drop the recently added size == 0 check in the helper
that would become part of uabi otherwise once released.
At the same time we can then fix bpf_probe_read_str() and
bpf_perf_event_output() to use ARG_CONST_SIZE_OR_ZERO
instead of ARG_CONST_SIZE in order to fix recently
reported issues by Arnaldo et al, where LLVM optimizes
two boundary checks into a single one for unknown
variables where the verifier looses track of the variable
bounds and thus rejects valid programs otherwise.
4) A fix for the verifier for the case when it detects
comparison of two constants where the branch is guaranteed
to not be taken at runtime. Verifier will rightfully prune
the exploration of such paths, but we still pass the program
to JITs, where they would complain about using reserved
fields, etc. Track such dead instructions and sanitize
them with mov r0,r0. Rejection is not possible since LLVM
may generate them for valid C code and doesn't do as much
data flow analysis as verifier. For bpf-next we might
implement removal of such dead code and adjust branches
instead. Fix from Alexei.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Gianluca Borello
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db1ac4964f |
bpf: introduce ARG_PTR_TO_MEM_OR_NULL
With the current ARG_PTR_TO_MEM/ARG_PTR_TO_UNINIT_MEM semantics, an helper argument can be NULL when the next argument type is ARG_CONST_SIZE_OR_ZERO and the verifier can prove the value of this next argument is 0. However, most helpers are just interested in handling <!NULL, 0>, so forcing them to deal with <NULL, 0> makes the implementation of those helpers more complicated for no apparent benefits, requiring them to explicitly handle those corner cases with checks that bpf programs could start relying upon, preventing the possibility of removing them later. Solve this by making ARG_PTR_TO_MEM/ARG_PTR_TO_UNINIT_MEM never accept NULL even when ARG_CONST_SIZE_OR_ZERO is set, and introduce a new argument type ARG_PTR_TO_MEM_OR_NULL to explicitly deal with the NULL case. Currently, the only helper that needs this is bpf_csum_diff_proto(), so change arg1 and arg3 to this new type as well. Also add a new battery of tests that explicitly test the !ARG_PTR_TO_MEM_OR_NULL combination: all the current ones testing the various <NULL, 0> variations are focused on bpf_csum_diff, so cover also other helpers. Signed-off-by: Gianluca Borello <g.borello@gmail.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> |
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Yonghong Song
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f1a8b8e3d9 |
bpf: change bpf_probe_write_user to bpf_trace_printk in test_verifier
There are four tests in test_verifier using bpf_probe_write_user
helper. These four tests will emit the following kernel messages
[ 12.974753] test_verifier[220] is installing a program with bpf_probe_write_user
helper that may corrupt user memory!
[ 12.979285] test_verifier[220] is installing a program with bpf_probe_write_user
helper that may corrupt user memory!
......
This may confuse certain users. This patch replaces bpf_probe_write_user
with bpf_trace_printk. The test_verifier already uses bpf_trace_printk
earlier in the test and a trace_printk warning message has been printed.
So this patch does not emit any more kernel messages.
Fixes:
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Dave Hansen
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7b659ee3e1 |
x86/pkeys/selftests: Fix protection keys write() warning
write() is marked as having a must-check return value. Check it and abort if we fail to write an error message from a signal handler. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20171111001232.94813E58@viggo.jf.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Dave Hansen
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91c49c2deb |
x86/pkeys/selftests: Rename 'si_pkey' to 'siginfo_pkey'
'si_pkey' is now #defined to be the name of the new siginfo field that protection keys uses. Rename it not to conflict. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20171111001231.DFFC8285@viggo.jf.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Dave Hansen
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a6400120d0 |
x86/mpx/selftests: Fix up weird arrays
The MPX hardware data structurse are defined in a weird way: they define their size in bytes and then union that with the type with which we want to access them. Yes, this is weird, but it does work. But, new GCC's complain that we are accessing the array out of bounds. Just make it a zero-sized array so gcc will stop complaining. There was not really a bug here. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20171111001229.58A7933D@viggo.jf.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Jakub Kicinski
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51aa423959 |
bpftool: revert printing program device bound info
This reverts commit
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Jakub Kicinski
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1f6f4cb7ba |
bpf: offload: rename the ifindex field
bpf_target_prog seems long and clunky, rename it to prog_ifindex. We don't want to call this field just ifindex, because maps may need a similar field in the future and bpf_attr members for programs and maps are unnamed. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> |
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Linus Torvalds
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07c455ee22 |
platform-drivers-x86 for v4.15-1
For this cycle we have quite an update for the Dell SMBIOS driver including WMI work to provide an interface for SMBIOS tokens via sysfs and WMI support for 2017+ Dell laptop models. SMM dispatcher code is split into a separate driver followed by a new WMI dispatcher. The latter provides a character device interface to user space. The pull request contains a merge of immutable branch from Wolfram Sang in order to apply a dependent fix to the Intel CherryTrail Battery Management driver. Other Intel drivers got a lot of cleanups. The Turbo Boost Max 3.0 support is added for Intel Skylake. Peaq WMI hotkeys driver gets its own maintainer and white list of supported models. Silead DMI is expanded to support few additional platforms. Tablet mode via GMMS ACPI method is added to support some ThinkPad tablets. Two commits appear here which were previously merged during the v4.14-rcX cycle: - |
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Rafael J. Wysocki
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43d2d3b56d |
linux-cpupower-4.15-rc2
This update consists of fixes to tool's handling of offline cpus. The first patch fixes the tool to find information on the cpu it is running on, instead of always looking for cpu0 and failing if cpu0 happens to be offline. The second patch fixes the incorrect check for offline cpu status. -----BEGIN PGP SIGNATURE----- iQIcBAABCAAGBQJaDyPgAAoJEAsCRMQNDUMcw88P/1LYlu4RXoVzReu14yy8U4XK bWQdc2uAGu0fdTf9olrk4OsCGP4Hbs3nDGf1VaOYWU2Gn87DhpiIWuJ0See0X4Gs 6i7U8kLWRVtbJT25pvt5hNgW7udtKkhpXpfJOSQCKR3qB8rpvX6b+ueBmyCAHvuQ i5AnN9oiZopUQiCeXYDqO04CF/hr9aKRJQUBgeSjIiGeGvwOqCUWZrsVuUCR17Xj Bi5MG5qI/ufMYuy7FRPxMgne30OIA5y2axVTuhxLhR5mg+KXennMCltv8xQMeRUM e/dqKDsyXr1a4tq5u91j88L+yZrFYP3oS2oO97RpGhD7wjcHbrf17JW0cl4BVm3q u6Lpg22HdYMcyMZkVqTcP181PX9+Dbn/3vvpHWpNEqMg/LMUrrGa442nqtOZTB5Y flqpbhsDmaKMvIqqW7b0D8tbm1JKBRETqUaFeaGXcpAtzlWS9+4djdQiGpRu9JEf Q8YXazIrm9EYzKcNPor0m7ItxIxPWwD5xMU+jF3mqdM08zbU//he48hysryqtnbD cHpDpLwO6uaXtg+wEe+30mFGd2urvBTV0Y6pd0ok2FTnJRTY/OY9c6BhltUhpvBO zgf8AKhFBULrt/l/x0OQ0xJ7s9kfEDSnoDtr8sNM9Poc/2BajCSanWKRmzSmqNnZ rC9m7FKfJkQ8Lm/i0hkW =Xe5t -----END PGP SIGNATURE----- Merge tag 'linux-cpupower-4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux Pull cpupower utility fixes for 4.15-rc2 from Shuah Khan: "This update consists of fixes to tool's handling of offline cpus. The first patch fixes the tool to find information on the cpu it is running on, instead of always looking for cpu0 and failing if cpu0 happens to be offline. The second patch fixes the incorrect check for offline cpu status." * tag 'linux-cpupower-4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: cpupower : Fix cpupower working when cpu0 is offline cpupowerutils: bench - Fix cpu online check |
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Bjørn Forsman
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16f8259ca7 |
kbuild: /bin/pwd -> pwd
Most places use pwd and rely on $PATH lookup. Moving the remaining
absolute path /bin/pwd users over for consistency.
Also, a reason for doing /bin/pwd -> pwd instead of the other way around
is because I believe build systems should make little assumptions on
host filesystem layout. Case in point, we do this kind of patching
already in NixOS.
Ref. commit
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Linus Torvalds
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fa7f578076 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - a bit more MM - procfs updates - dynamic-debug fixes - lib/ updates - checkpatch - epoll - nilfs2 - signals - rapidio - PID management cleanup and optimization - kcov updates - sysvipc updates - quite a few misc things all over the place * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (94 commits) EXPERT Kconfig menu: fix broken EXPERT menu include/asm-generic/topology.h: remove unused parent_node() macro arch/tile/include/asm/topology.h: remove unused parent_node() macro arch/sparc/include/asm/topology_64.h: remove unused parent_node() macro arch/sh/include/asm/topology.h: remove unused parent_node() macro arch/ia64/include/asm/topology.h: remove unused parent_node() macro drivers/pcmcia/sa1111_badge4.c: avoid unused function warning mm: add infrastructure for get_user_pages_fast() benchmarking sysvipc: make get_maxid O(1) again sysvipc: properly name ipc_addid() limit parameter sysvipc: duplicate lock comments wrt ipc_addid() sysvipc: unteach ids->next_id for !CHECKPOINT_RESTORE initramfs: use time64_t timestamps drivers/watchdog: make use of devm_register_reboot_notifier() kernel/reboot.c: add devm_register_reboot_notifier() kcov: update documentation Makefile: support flag -fsanitizer-coverage=trace-cmp kcov: support comparison operands collection kcov: remove pointless current != NULL check kernel/panic.c: add TAINT_AUX ... |
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Kirill A. Shutemov
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64c349f4ae |
mm: add infrastructure for get_user_pages_fast() benchmarking
Performance of get_user_pages_fast() is critical for some workloads, but it's tricky to test it directly. This patch provides /sys/kernel/debug/gup_benchmark that helps with testing performance of it. See tools/testing/selftests/vm/gup_benchmark.c for userspace counterpart. Link: http://lkml.kernel.org/r/20170908215603.9189-2-kirill.shutemov@linux.intel.com Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thorsten Leemhuis <regressions@leemhuis.info> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Huang Ying <ying.huang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Cheng Jian
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e4795e3bb7 |
tools/lib/traceevent/parse-filter.c: clean up clang build warning
The uniform structure filter_arg sets its union based on the difference of enum filter_arg_type, However, some functions use implicit type conversion obviously. warning: implicit conversion from enumeration type 'enum filter_exp_type' to different enumeration type 'enum filter_op_type' warning: implicit conversion from enumeration type 'enum filter_cmp_type' to different enumeration type 'enum filter_exp_type' Link: http://lkml.kernel.org/r/1509938415-113825-1-git-send-email-cj.chengjian@huawei.com Signed-off-by: Cheng Jian <cj.chengjian@huawei.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Xie XiuQi <xiexiuqi@huawei.com> Cc: Li Bin <huawei.libin@huawei.com> Cc: Steven Rostedt (Red Hat) <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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b1c2a344cc |
linux-kselftest-4.15-rc1
This update to Kselftest consists of cleanup patches, fixes, and a new test for ion buffer sharing. Fixes include changes to skip firmware tests on systems that aren't configured to support them, as opposed to failing them. -----BEGIN PGP SIGNATURE----- iQIcBAABCAAGBQJaDwTMAAoJEAsCRMQNDUMcxoIQAOhQqMKWBg+LGvxqpKsdG+wy zNXSh8WjLJsqyuqnuYef1Aytnrl7sGohnZYS5VLH9awQ8BDr18SyX73mLvxhKtkl XL89Ek8zB5g2Wo3bG7aSX3yDLzLHyXaqRy/eKjPR7uMpPY3muEHHs/PYOGbMxiKj BvwvOaALt9dDnYPgus4hmfzjiZnEvc+jl5vo5vUce68NYvtUdw7Bh8fc4BEtFiI+ JMDOmV40+3t3xs4c+ibsWuBSUOcvQTi/FSGkdYreBBUDM/n8m7lmH/msdZ5TYQcW jPO7DsEPerlbscaI741ZE8ZuB9/MFe8eh34vHfYJEUtsUEsp5zNGXS6ASpQWCopX D0ECH+ec5roWjX9xcp3HE0z63jhY0VtEa9JTSRIFEqqSuR1/fwwg5rt7ksArGJoW UI+3MtGcEDJDUUZjzlAuA/iZg7k5hSP7Hoc/evlrRgczev1v0OBieNezd7wyv4qT WfxoldvIIX+0dGZ1HDcW2vNnrq9dVc7Jk0Vc1JqHfdwJ92WRBx0M2QBtvt1br9Gd FDoMQRbGMWT0iMnewzkVCJbIb6/BkRZENlZ1MQFvspqpKxEGN6tP9tpqT4fp2wAK IKP6f1lU/PlvpTiwkA6p4i/qIdk2wGbofn3Lv9XoGrXYYla5wp75Acp6kodqUmJG KXNV5OtGCCTmCc7+ZNcZ =pE67 -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest updates from Shuah Khan: "This update to Kselftest consists of cleanup patches, fixes, and a new test for ion buffer sharing. Fixes include changes to skip firmware tests on systems that aren't configured to support them, as opposed to failing them" * tag 'linux-kselftest-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: firmware: skip unsupported custom firmware fallback tests selftests: firmware: skip unsupported async loading tests selftests: memfd_test.c: fix compilation warning. selftests/ftrace: Introduce exit_pass and exit_fail selftests: ftrace: add more config fragments android/ion: userspace test utility for ion buffer sharing selftests: remove obsolete kconfig fragment for cpu-hotplug selftests: vdso_test: support ARM64 targets selftests/ftrace: Do not use arch dependent do_IRQ as a target function selftests: breakpoints: fix compile error on breakpoint_test_arm64 selftests: add missing test result status in memory-hotplug test selftests/exec: include cwd in long path calculation selftests: seccomp: update .gitignore with newly added tests selftests: vm: Update .gitignore with newly added tests selftests: timers: Update .gitignore with newly added tests |
||
|
Linus Torvalds
|
bec04432cb |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui: - introduce brcmstb AVS TMON thermal driver (Brian Norris) - add Rockchip RV1108 support in rockchip thermal driver (Rocky Hao) - major rework on HISI driver plus additional support of hisi3660 (Daniel Lezcano) - add nvmem-cells binding on imx6sx (Leonard Crestez) - fix a NULL pointer dereference on ti thermal driver unloading (Tony Lindgren) - improve tmon tool to make it easier to cross-compile tmon (Markus Mayer) - add Coffee Lake and Cannon Lake support for intel processor and pch thermal drivers (Srinivas Pandruvada) - other small fixes and cleanups (Arvind Yadav, Colin Ian King, Allen Wild, Nicolin Chen, Baruch SiachNiklas Söderlund, Arnd Bergmann) * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (44 commits) thermal: pch: Add Cannon Lake support thermal: int340x: processor_thermal: Add Coffee Lake support thermal: int340x: processor_thermal: Add Cannon Lake support thermal: bxt: remove redundant variable trip thermal: cpu_cooling: pr_err() strings should end with newlines thermal: add brcmstb AVS TMON driver Documentation: devicetree: add binding for Broadcom STB AVS TMON thermal/drivers/hisi: Add support for hi3660 SoC thermal/drivers/hisi: Prepare to add support for other hisi platforms thermal/drivers/hisi: Add platform prefix to function name thermal/drivers/hisi: Put platform code together thermal/drivers/qcom-spmi: Use devm_iio_channel_get thermal/drivers/generic-iio-adc: Switch tz request to devm version thermal/drivers/step_wise: Fix temperature regulation misbehavior thermal/drivers/hisi: Use round up step value thermal/drivers/hisi: Move the clk setup in the corresponding functions thermal/drivers/hisi: Remove mutex_lock in the code thermal/drivers/hisi: Remove thermal data back pointer thermal/drivers/hisi: Convert long to int thermal/drivers/hisi: Rename and remove unused field ... |
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Linus Torvalds
|
e71d5126e7 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull second round of s390 updates from Martin Schwidefsky: - rework of the vdso code to avoid the use of the access register mode - use perf AUX buffers for the transport of diagnostic sample data - add perf_regs and user stack dump support - enable perf call graphs for user space programs - add perf register support for floating-point registers - all remaining s390 related timer_setup conversions - bug fixes and cleanups * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (30 commits) s390: remove unused parameter from Makefile zfcp: purely mechanical update using timer API, plus blank lines s390/scsi: Convert timers to use timer_setup() s390/cpum_sf: correctly set the PID and TID in perf samples s390/cpum_sf: load program parameter at sampler enablement s390/perf: add perf register support for floating-point registers s390/perf: extend perf_regs support to include floating-point registers s390/perf: define common DWARF register string table s390/perf: add support for perf_regs and libdw s390/perf: add perf_regs support and user stack dump s390/cpum_sf: do not register PMU if no sampling mode is authorized s390/cpumf: remove raw event support in basic-only sampling mode s390/perf: add callback to perf to enable using AUX buffer s390/cpumf: enable using AUX buffer s390/cpumf: introduce AUX buffer for dump diagnostic sample data s390/disassembler: increase show_code buffer size s390: Remove CONFIG_HARDENED_USERCOPY s390: enable CPU alternatives unconditionally s390/nmi: remove unused code s390/mm: remove unused code ... |
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Linus Torvalds
|
a3841f94c7 |
libnvdimm for 4.15
* Introduce MAP_SYNC and MAP_SHARED_VALIDATE, a mechanism to enable
'userspace flush' of persistent memory updates via filesystem-dax
mappings. It arranges for any filesystem metadata updates that may be
required to satisfy a write fault to also be flushed ("on disk") before
the kernel returns to userspace from the fault handler. Effectively
every write-fault that dirties metadata completes an fsync() before
returning from the fault handler. The new MAP_SHARED_VALIDATE mapping
type guarantees that the MAP_SYNC flag is validated as supported by the
filesystem's ->mmap() file operation.
* Add support for the standard ACPI 6.2 label access methods that
replace the NVDIMM_FAMILY_INTEL (vendor specific) label methods. This
enables interoperability with environments that only implement the
standardized methods.
* Add support for the ACPI 6.2 NVDIMM media error injection methods.
* Add support for the NVDIMM_FAMILY_INTEL v1.6 DIMM commands for latch
last shutdown status, firmware update, SMART error injection, and
SMART alarm threshold control.
* Cleanup physical address information disclosures to be root-only.
* Fix revalidation of the DIMM "locked label area" status to support
dynamic unlock of the label area.
* Expand unit test infrastructure to mock the ACPI 6.2 Translate SPA
(system-physical-address) command and error injection commands.
Acknowledgements that came after the commits were pushed to -next:
|
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Linus Torvalds
|
974aa5630b |
First batch of KVM changes for 4.15
Common:
- Python 3 support in kvm_stat
- Accounting of slabs to kmemcg
ARM:
- Optimized arch timer handling for KVM/ARM
- Improvements to the VGIC ITS code and introduction of an ITS reset
ioctl
- Unification of the 32-bit fault injection logic
- More exact external abort matching logic
PPC:
- Support for running hashed page table (HPT) MMU mode on a host that
is using the radix MMU mode; single threaded mode on POWER 9 is
added as a pre-requisite
- Resolution of merge conflicts with the last second 4.14 HPT fixes
- Fixes and cleanups
s390:
- Some initial preparation patches for exitless interrupts and crypto
- New capability for AIS migration
- Fixes
x86:
- Improved emulation of LAPIC timer mode changes, MCi_STATUS MSRs, and
after-reset state
- Refined dependencies for VMX features
- Fixes for nested SMI injection
- A lot of cleanups
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Merge tag 'kvm-4.15-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Radim Krčmář:
"First batch of KVM changes for 4.15
Common:
- Python 3 support in kvm_stat
- Accounting of slabs to kmemcg
ARM:
- Optimized arch timer handling for KVM/ARM
- Improvements to the VGIC ITS code and introduction of an ITS reset
ioctl
- Unification of the 32-bit fault injection logic
- More exact external abort matching logic
PPC:
- Support for running hashed page table (HPT) MMU mode on a host that
is using the radix MMU mode; single threaded mode on POWER 9 is
added as a pre-requisite
- Resolution of merge conflicts with the last second 4.14 HPT fixes
- Fixes and cleanups
s390:
- Some initial preparation patches for exitless interrupts and crypto
- New capability for AIS migration
- Fixes
x86:
- Improved emulation of LAPIC timer mode changes, MCi_STATUS MSRs,
and after-reset state
- Refined dependencies for VMX features
- Fixes for nested SMI injection
- A lot of cleanups"
* tag 'kvm-4.15-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (89 commits)
KVM: s390: provide a capability for AIS state migration
KVM: s390: clear_io_irq() requests are not expected for adapter interrupts
KVM: s390: abstract conversion between isc and enum irq_types
KVM: s390: vsie: use common code functions for pinning
KVM: s390: SIE considerations for AP Queue virtualization
KVM: s390: document memory ordering for kvm_s390_vcpu_wakeup
KVM: PPC: Book3S HV: Cosmetic post-merge cleanups
KVM: arm/arm64: fix the incompatible matching for external abort
KVM: arm/arm64: Unify 32bit fault injection
KVM: arm/arm64: vgic-its: Implement KVM_DEV_ARM_ITS_CTRL_RESET
KVM: arm/arm64: Document KVM_DEV_ARM_ITS_CTRL_RESET
KVM: arm/arm64: vgic-its: Free caches when GITS_BASER Valid bit is cleared
KVM: arm/arm64: vgic-its: New helper functions to free the caches
KVM: arm/arm64: vgic-its: Remove kvm_its_unmap_device
arm/arm64: KVM: Load the timer state when enabling the timer
KVM: arm/arm64: Rework kvm_timer_should_fire
KVM: arm/arm64: Get rid of kvm_timer_flush_hwstate
KVM: arm/arm64: Avoid phys timer emulation in vcpu entry/exit
KVM: arm/arm64: Move phys_timer_emulate function
KVM: arm/arm64: Use kvm_arm_timer_set/get_reg for guest register traps
...
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Linus Torvalds
|
5b0e2cb020 |
powerpc updates for 4.15
Non-highlights:
- Five fixes for the >128T address space handling, both to fix bugs in our
implementation and to bring the semantics exactly into line with x86.
Highlights:
- Support for a new OPAL call on bare metal machines which gives us a true NMI
(ie. is not masked by MSR[EE]=0) for debugging etc.
- Support for Power9 DD2 in the CXL driver.
- Improvements to machine check handling so that uncorrectable errors can be
reported into the generic memory_failure() machinery.
- Some fixes and improvements for VPHN, which is used under PowerVM to notify
the Linux partition of topology changes.
- Plumbing to enable TM (transactional memory) without suspend on some Power9
processors (PPC_FEATURE2_HTM_NO_SUSPEND).
- Support for emulating vector loads form cache-inhibited memory, on some
Power9 revisions.
- Disable the fast-endian switch "syscall" by default (behind a CONFIG), we
believe it has never had any users.
- A major rework of the API drivers use when initiating and waiting for long
running operations performed by OPAL firmware, and changes to the
powernv_flash driver to use the new API.
- Several fixes for the handling of FP/VMX/VSX while processes are using
transactional memory.
- Optimisations of TLB range flushes when using the radix MMU on Power9.
- Improvements to the VAS facility used to access coprocessors on Power9, and
related improvements to the way the NX crypto driver handles requests.
- Implementation of PMEM_API and UACCESS_FLUSHCACHE for 64-bit.
Thanks to:
Alexey Kardashevskiy, Alistair Popple, Allen Pais, Andrew Donnellan, Aneesh
Kumar K.V, Arnd Bergmann, Balbir Singh, Benjamin Herrenschmidt, Breno Leitao,
Christophe Leroy, Christophe Lombard, Cyril Bur, Frederic Barrat, Gautham R.
Shenoy, Geert Uytterhoeven, Guilherme G. Piccoli, Gustavo Romero, Haren
Myneni, Joel Stanley, Kamalesh Babulal, Kautuk Consul, Markus Elfring, Masami
Hiramatsu, Michael Bringmann, Michael Neuling, Michal Suchanek, Naveen N. Rao,
Nicholas Piggin, Oliver O'Halloran, Paul Mackerras, Pedro Miraglia Franco de
Carvalho, Philippe Bergheaud, Sandipan Das, Seth Forshee, Shriya, Stephen
Rothwell, Stewart Smith, Sukadev Bhattiprolu, Tyrel Datwyler, Vaibhav Jain,
Vaidyanathan Srinivasan, William A. Kennington III.
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Merge tag 'powerpc-4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"A bit of a small release, I suspect in part due to me travelling for
KS. But my backlog of patches to review is smaller than usual, so I
think in part folks just didn't send as much this cycle.
Non-highlights:
- Five fixes for the >128T address space handling, both to fix bugs
in our implementation and to bring the semantics exactly into line
with x86.
Highlights:
- Support for a new OPAL call on bare metal machines which gives us a
true NMI (ie. is not masked by MSR[EE]=0) for debugging etc.
- Support for Power9 DD2 in the CXL driver.
- Improvements to machine check handling so that uncorrectable errors
can be reported into the generic memory_failure() machinery.
- Some fixes and improvements for VPHN, which is used under PowerVM
to notify the Linux partition of topology changes.
- Plumbing to enable TM (transactional memory) without suspend on
some Power9 processors (PPC_FEATURE2_HTM_NO_SUSPEND).
- Support for emulating vector loads form cache-inhibited memory, on
some Power9 revisions.
- Disable the fast-endian switch "syscall" by default (behind a
CONFIG), we believe it has never had any users.
- A major rework of the API drivers use when initiating and waiting
for long running operations performed by OPAL firmware, and changes
to the powernv_flash driver to use the new API.
- Several fixes for the handling of FP/VMX/VSX while processes are
using transactional memory.
- Optimisations of TLB range flushes when using the radix MMU on
Power9.
- Improvements to the VAS facility used to access coprocessors on
Power9, and related improvements to the way the NX crypto driver
handles requests.
- Implementation of PMEM_API and UACCESS_FLUSHCACHE for 64-bit.
Thanks to: Alexey Kardashevskiy, Alistair Popple, Allen Pais, Andrew
Donnellan, Aneesh Kumar K.V, Arnd Bergmann, Balbir Singh, Benjamin
Herrenschmidt, Breno Leitao, Christophe Leroy, Christophe Lombard,
Cyril Bur, Frederic Barrat, Gautham R. Shenoy, Geert Uytterhoeven,
Guilherme G. Piccoli, Gustavo Romero, Haren Myneni, Joel Stanley,
Kamalesh Babulal, Kautuk Consul, Markus Elfring, Masami Hiramatsu,
Michael Bringmann, Michael Neuling, Michal Suchanek, Naveen N. Rao,
Nicholas Piggin, Oliver O'Halloran, Paul Mackerras, Pedro Miraglia
Franco de Carvalho, Philippe Bergheaud, Sandipan Das, Seth Forshee,
Shriya, Stephen Rothwell, Stewart Smith, Sukadev Bhattiprolu, Tyrel
Datwyler, Vaibhav Jain, Vaidyanathan Srinivasan, and William A.
Kennington III"
* tag 'powerpc-4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (151 commits)
powerpc/64s: Fix Power9 DD2.0 workarounds by adding DD2.1 feature
powerpc/64s: Fix masking of SRR1 bits on instruction fault
powerpc/64s: mm_context.addr_limit is only used on hash
powerpc/64s/radix: Fix 128TB-512TB virtual address boundary case allocation
powerpc/64s/hash: Allow MAP_FIXED allocations to cross 128TB boundary
powerpc/64s/hash: Fix fork() with 512TB process address space
powerpc/64s/hash: Fix 128TB-512TB virtual address boundary case allocation
powerpc/64s/hash: Fix 512T hint detection to use >= 128T
powerpc: Fix DABR match on hash based systems
powerpc/signal: Properly handle return value from uprobe_deny_signal()
powerpc/fadump: use kstrtoint to handle sysfs store
powerpc/lib: Implement UACCESS_FLUSHCACHE API
powerpc/lib: Implement PMEM API
powerpc/powernv/npu: Don't explicitly flush nmmu tlb
powerpc/powernv/npu: Use flush_all_mm() instead of flush_tlb_mm()
powerpc/powernv/idle: Round up latency and residency values
powerpc/kprobes: refactor kprobe_lookup_name for safer string operations
powerpc/kprobes: Blacklist emulate_update_regs() from kprobes
powerpc/kprobes: Do not disable interrupts for optprobes and kprobes_on_ftrace
powerpc/kprobes: Disable preemption before invoking probe handler for optprobes
...
|
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|
Hendrik Brueckner
|
de9954b75e |
s390/perf: add perf register support for floating-point registers
For correct unwinding of user space processes, the floating-point register contents are required. For example, leaf functions might use fp registers to temporarily store the return address. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-and-tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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Hendrik Brueckner
|
a9fc2db0a8 |
s390/perf: define common DWARF register string table
Instead of defining DWARF register to string table in dwarf-regs-table.h and dwarf-regs.c, use a common table in dwarf-regs-table.h. Ensure that the DWARF register table is up-to-date with http://refspecs.linuxfoundation.org/ELF/zSeries/lzsabi0_s390/x1542.html. For unwinding with libdw, also ensure to correctly setup the DWARF register frame according to the register mappings. Currently, libdw supports up to 32 registers only. Suggested-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-and-tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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Heiko Carstens
|
f704ef4460 |
s390/perf: add support for perf_regs and libdw
With support for perf_regs and libdw, you can record and report call graphs for user space programs. Simply invoke perf with the --call-graph=dwarf command line option. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> [brueckner: added dwfl_thread_state_register_pc() call] Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-and-tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
||
|
Pu Hou
|
a3f22d505f |
s390/perf: add callback to perf to enable using AUX buffer
Perf tool need implement a callback to enable using AUX buffer. Perf will do another mmap() to trigger the setup of AUX buffer in kernel if there is such callback. The default size of the AUX buffer is set properly according to the sampling frequency to avoid overflow. It could also be manually set by -m option of perf. The interface of perf is not changed. Diagnostic mode sampling could be started by `perf record -e rBD000` like before. Signed-off-by: Pu Hou <bjhoupu@linux.vnet.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
||
|
Kirill A. Shutemov
|
97f404ad3e |
x86/selftests: Add test for mapping placement for 5-level paging
5-level paging provides a 56-bit virtual address space for user space application. But the kernel defaults to mappings below the 47-bit address space boundary, which is the upper bound for 4-level paging, unless an application explicitely request it by using a mmap(2) address hint above the 47-bit boundary. The kernel prevents mappings which spawn across the 47-bit boundary unless mmap(2) was invoked with MAP_FIXED. Add a self-test that covers the corner cases of the interface and validates the correctness of the implementation. [ tglx: Massaged changelog once more ] Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: linux-mm@kvack.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lkml.kernel.org/r/20171115143607.81541-2-kirill.shutemov@linux.intel.com |
||
|
Linus Torvalds
|
e60e1ee606 |
main drm pull request for v4.15
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Merge tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main drm pull request for v4.15.
Core:
- Atomic object lifetime fixes
- Atomic iterator improvements
- Sparse/smatch fixes
- Legacy kms ioctls to be interruptible
- EDID override improvements
- fb/gem helper cleanups
- Simple outreachy patches
- Documentation improvements
- Fix dma-buf rcu races
- DRM mode object leasing for improving VR use cases.
- vgaarb improvements for non-x86 platforms.
New driver:
- tve200: Faraday Technology TVE200 block.
This "TV Encoder" encodes a ITU-T BT.656 stream and can be found in
the StorLink SL3516 (later Cortina Systems CS3516) as well as the
Grain Media GM8180.
New bridges:
- SiI9234 support
New panels:
- S6E63J0X03, OTM8009A, Seiko 43WVF1G, 7" rpi touch panel, Toshiba
LT089AC19000, Innolux AT043TN24
i915:
- Remove Coffeelake from alpha support
- Cannonlake workarounds
- Infoframe refactoring for DisplayPort
- VBT updates
- DisplayPort vswing/emph/buffer translation refactoring
- CCS fixes
- Restore GPU clock boost on missed vblanks
- Scatter list updates for userptr allocations
- Gen9+ transition watermarks
- Display IPC (Isochronous Priority Control)
- Private PAT management
- GVT: improved error handling and pci config sanitizing
- Execlist refactoring
- Transparent Huge Page support
- User defined priorities support
- HuC/GuC firmware refactoring
- DP MST fixes
- eDP power sequencing fixes
- Use RCU instead of stop_machine
- PSR state tracking support
- Eviction fixes
- BDW DP aux channel timeout fixes
- LSPCON fixes
- Cannonlake PLL fixes
amdgpu:
- Per VM BO support
- Powerplay cleanups
- CI powerplay support
- PASID mgr for kfd
- SR-IOV fixes
- initial GPU reset for vega10
- Prime mmap support
- TTM updates
- Clock query interface for Raven
- Fence to handle ioctl
- UVD encode ring support on Polaris
- Transparent huge page DMA support
- Compute LRU pipe tweaks
- BO flag to allow buffers to opt out of implicit sync
- CTX priority setting API
- VRAM lost infrastructure plumbing
qxl:
- fix flicker since atomic rework
amdkfd:
- Further improvements from internal AMD tree
- Usermode events
- Drop radeon support
nouveau:
- Pascal temperature sensor support
- Improved BAR2 handling
- MMU rework to support Pascal MMU
exynos:
- Improved HDMI/mixer support
- HDMI audio interface support
tegra:
- Prep work for tegra186
- Cleanup/fixes
msm:
- Preemption support for a5xx
- Display fixes for 8x96 (snapdragon 820)
- Async cursor plane fixes
- FW loading rework
- GPU debugging improvements
vc4:
- Prep for DSI panels
- fix T-format tiling scanout
- New madvise ioctl
Rockchip:
- LVDS support
omapdrm:
- omap4 HDMI CEC support
etnaviv:
- GPU performance counters groundwork
sun4i:
- refactor driver load + TCON backend
- HDMI improvements
- A31 support
- Misc fixes
udl:
- Probe/EDID read fixes.
tilcdc:
- Misc fixes.
pl111:
- Support more variants
adv7511:
- Improve EDID handling.
- HDMI CEC support
sii8620:
- Add remote control support"
* tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux: (1480 commits)
drm/rockchip: analogix_dp: Use mutex rather than spinlock
drm/mode_object: fix documentation for object lookups.
drm/i915: Reorder context-close to avoid calling i915_vma_close() under RCU
drm/i915: Move init_clock_gating() back to where it was
drm/i915: Prune the reservation shared fence array
drm/i915: Idle the GPU before shinking everything
drm/i915: Lock llist_del_first() vs llist_del_all()
drm/i915: Calculate ironlake intermediate watermarks correctly, v2.
drm/i915: Disable lazy PPGTT page table optimization for vGPU
drm/i915/execlists: Remove the priority "optimisation"
drm/i915: Filter out spurious execlists context-switch interrupts
drm/amdgpu: use irq-safe lock for kiq->ring_lock
drm/amdgpu: bypass lru touch for KIQ ring submission
drm/amdgpu: Potential uninitialized variable in amdgpu_vm_update_directories()
drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs()
drm/amd/powerplay: initialize a variable before using it
drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory_levels
drm/amd/amdgpu: fix evicted VRAM bo adjudgement condition
drm/vblank: Tune drm_crtc_accurate_vblank_count() WARN down to a debug
drm/rockchip: add CONFIG_OF dependency for lvds
...
|
||
|
Linus Torvalds
|
7c225c69f8 |
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton: - a few misc bits - ocfs2 updates - almost all of MM * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (131 commits) memory hotplug: fix comments when adding section mm: make alloc_node_mem_map a void call if we don't have CONFIG_FLAT_NODE_MEM_MAP mm: simplify nodemask printing mm,oom_reaper: remove pointless kthread_run() error check mm/page_ext.c: check if page_ext is not prepared writeback: remove unused function parameter mm: do not rely on preempt_count in print_vma_addr mm, sparse: do not swamp log with huge vmemmap allocation failures mm/hmm: remove redundant variable align_end mm/list_lru.c: mark expected switch fall-through mm/shmem.c: mark expected switch fall-through mm/page_alloc.c: broken deferred calculation mm: don't warn about allocations which stall for too long fs: fuse: account fuse_inode slab memory as reclaimable mm, page_alloc: fix potential false positive in __zone_watermark_ok mm: mlock: remove lru_add_drain_all() mm, sysctl: make NUMA stats configurable shmem: convert shmem_init_inodecache() to void Unify migrate_pages and move_pages access checks mm, pagevec: rename pagevec drained field ... |
||
|
Mel Gorman
|
453f85d43f |
mm: remove __GFP_COLD
As the page free path makes no distinction between cache hot and cold pages, there is no real useful ordering of pages in the free list that allocation requests can take advantage of. Juding from the users of __GFP_COLD, it is likely that a number of them are the result of copying other sites instead of actually measuring the impact. Remove the __GFP_COLD parameter which simplifies a number of paths in the page allocator. This is potentially controversial but bear in mind that the size of the per-cpu pagelists versus modern cache sizes means that the whole per-cpu list can often fit in the L3 cache. Hence, there is only a potential benefit for microbenchmarks that alloc/free pages in a tight loop. It's even worse when THP is taken into account which has little or no chance of getting a cache-hot page as the per-cpu list is bypassed and the zeroing of multiple pages will thrash the cache anyway. The truncate microbenchmarks are not shown as this patch affects the allocation path and not the free path. A page fault microbenchmark was tested but it showed no sigificant difference which is not surprising given that the __GFP_COLD branches are a miniscule percentage of the fault path. Link: http://lkml.kernel.org/r/20171018075952.10627-9-mgorman@techsingularity.net Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Andi Kleen <ak@linux.intel.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Jan Kara <jack@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Mel Gorman
|
c7df8ad291 |
mm, truncate: do not check mapping for every page being truncated
During truncation, the mapping has already been checked for shmem and
dax so it's known that workingset_update_node is required.
This patch avoids the checks on mapping for each page being truncated.
In all other cases, a lookup helper is used to determine if
workingset_update_node() needs to be called. The one danger is that the
API is slightly harder to use as calling workingset_update_node directly
without checking for dax or shmem mappings could lead to surprises.
However, the API rarely needs to be used and hopefully the comment is
enough to give people the hint.
sparsetruncate (tiny)
4.14.0-rc4 4.14.0-rc4
oneirq-v1r1 pickhelper-v1r1
Min Time 141.00 ( 0.00%) 140.00 ( 0.71%)
1st-qrtle Time 142.00 ( 0.00%) 141.00 ( 0.70%)
2nd-qrtle Time 142.00 ( 0.00%) 142.00 ( 0.00%)
3rd-qrtle Time 143.00 ( 0.00%) 143.00 ( 0.00%)
Max-90% Time 144.00 ( 0.00%) 144.00 ( 0.00%)
Max-95% Time 147.00 ( 0.00%) 145.00 ( 1.36%)
Max-99% Time 195.00 ( 0.00%) 191.00 ( 2.05%)
Max Time 230.00 ( 0.00%) 205.00 ( 10.87%)
Amean Time 144.37 ( 0.00%) 143.82 ( 0.38%)
Stddev Time 10.44 ( 0.00%) 9.00 ( 13.74%)
Coeff Time 7.23 ( 0.00%) 6.26 ( 13.41%)
Best99%Amean Time 143.72 ( 0.00%) 143.34 ( 0.26%)
Best95%Amean Time 142.37 ( 0.00%) 142.00 ( 0.26%)
Best90%Amean Time 142.19 ( 0.00%) 141.85 ( 0.24%)
Best75%Amean Time 141.92 ( 0.00%) 141.58 ( 0.24%)
Best50%Amean Time 141.69 ( 0.00%) 141.31 ( 0.27%)
Best25%Amean Time 141.38 ( 0.00%) 140.97 ( 0.29%)
As you'd expect, the gain is marginal but it can be detected. The
differences in bonnie are all within the noise which is not surprising
given the impact on the microbenchmark.
radix_tree_update_node_t is a callback for some radix operations that
optionally passes in a private field. The only user of the callback is
workingset_update_node and as it no longer requires a mapping, the
private field is removed.
Link: http://lkml.kernel.org/r/20171018075952.10627-3-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Levin, Alexander (Sasha Levin)
|
4675ff05de |
kmemcheck: rip it out
Fix up makefiles, remove references, and git rm kmemcheck. Link: http://lkml.kernel.org/r/20171007030159.22241-4-alexander.levin@verizon.com Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Vegard Nossum <vegardno@ifi.uio.no> Cc: Pekka Enberg <penberg@kernel.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Alexander Potapenko <glider@google.com> Cc: Tim Hansen <devtimhansen@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Levin, Alexander (Sasha Levin)
|
d8be75663c |
kmemcheck: remove whats left of NOTRACK flags
Now that kmemcheck is gone, we don't need the NOTRACK flags. Link: http://lkml.kernel.org/r/20171007030159.22241-5-alexander.levin@verizon.com Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Alexander Potapenko <glider@google.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Tim Hansen <devtimhansen@gmail.com> Cc: Vegard Nossum <vegardno@ifi.uio.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Yang Shi
|
7ad3f188aa |
tools: slabinfo: add "-U" option to show unreclaimable slabs only
Patch series "oom: capture unreclaimable slab info in oom message", v10. Recently we ran into a oom issue, kernel panic due to no killable process. The dmesg shows huge unreclaimable slabs used almost 100% memory, but kdump doesn't capture vmcore due to some reason. So, it may sound better to capture unreclaimable slab info in oom message when kernel panic to aid trouble shooting and cover the corner case. Since kernel already panic, so capturing more information sounds worthy and doesn't bother normal oom killer. With the patchset, tools/vm/slabinfo has a new option, "-U", to show unreclaimable slab only. And, oom will print all non zero (num_objs * size != 0) unreclaimable slabs in oom killer message. This patch (of 3): Add "-U" option to show unreclaimable slabs only. "-U" and "-S" together can tell us what unreclaimable slabs use the most memory to help debug huge unreclaimable slabs issue. Link: http://lkml.kernel.org/r/1507152550-46205-2-git-send-email-yang.s@alibaba-inc.com Signed-off-by: Yang Shi <yang.s@alibaba-inc.com> Acked-by: Christoph Lameter <cl@linux.com> Acked-by: David Rientjes <rientjes@google.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Michal Hocko <mhocko@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Dan Williams
|
4247f24c23 | Merge branch 'for-4.15/dax' into libnvdimm-for-next | ||
|
Linus Torvalds
|
5bbcc0f595 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
"Highlights:
1) Maintain the TCP retransmit queue using an rbtree, with 1GB
windows at 100Gb this really has become necessary. From Eric
Dumazet.
2) Multi-program support for cgroup+bpf, from Alexei Starovoitov.
3) Perform broadcast flooding in hardware in mv88e6xxx, from Andrew
Lunn.
4) Add meter action support to openvswitch, from Andy Zhou.
5) Add a data meta pointer for BPF accessible packets, from Daniel
Borkmann.
6) Namespace-ify almost all TCP sysctl knobs, from Eric Dumazet.
7) Turn on Broadcom Tags in b53 driver, from Florian Fainelli.
8) More work to move the RTNL mutex down, from Florian Westphal.
9) Add 'bpftool' utility, to help with bpf program introspection.
From Jakub Kicinski.
10) Add new 'cpumap' type for XDP_REDIRECT action, from Jesper
Dangaard Brouer.
11) Support 'blocks' of transformations in the packet scheduler which
can span multiple network devices, from Jiri Pirko.
12) TC flower offload support in cxgb4, from Kumar Sanghvi.
13) Priority based stream scheduler for SCTP, from Marcelo Ricardo
Leitner.
14) Thunderbolt networking driver, from Amir Levy and Mika Westerberg.
15) Add RED qdisc offloadability, and use it in mlxsw driver. From
Nogah Frankel.
16) eBPF based device controller for cgroup v2, from Roman Gushchin.
17) Add some fundamental tracepoints for TCP, from Song Liu.
18) Remove garbage collection from ipv6 route layer, this is a
significant accomplishment. From Wei Wang.
19) Add multicast route offload support to mlxsw, from Yotam Gigi"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2177 commits)
tcp: highest_sack fix
geneve: fix fill_info when link down
bpf: fix lockdep splat
net: cdc_ncm: GetNtbFormat endian fix
openvswitch: meter: fix NULL pointer dereference in ovs_meter_cmd_reply_start
netem: remove unnecessary 64 bit modulus
netem: use 64 bit divide by rate
tcp: Namespace-ify sysctl_tcp_default_congestion_control
net: Protect iterations over net::fib_notifier_ops in fib_seq_sum()
ipv6: set all.accept_dad to 0 by default
uapi: fix linux/tls.h userspace compilation error
usbnet: ipheth: prevent TX queue timeouts when device not ready
vhost_net: conditionally enable tx polling
uapi: fix linux/rxrpc.h userspace compilation errors
net: stmmac: fix LPI transitioning for dwmac4
atm: horizon: Fix irq release error
net-sysfs: trigger netlink notification on ifalias change via sysfs
openvswitch: Using kfree_rcu() to simplify the code
openvswitch: Make local function ovs_nsh_key_attr_size() static
openvswitch: Fix return value check in ovs_meter_cmd_features()
...
|
||
|
Abhishek Goel
|
dbdc468f35 |
cpupower : Fix cpupower working when cpu0 is offline
cpuidle_monitor used to assume that cpu0 is always online which is not a valid assumption on POWER machines. This patch fixes this by getting the cpu on which the current thread is running, instead of always using cpu0 for monitoring which may not be online. Signed-off-by: Abhishek Goel <huntbag@linux.vnet.ibm.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> |
||
|
Abhishek Goel
|
53d1cd6b12 |
cpupowerutils: bench - Fix cpu online check
cpupower_is_cpu_online was incorrectly checking for 0. This patch fixes this by checking for 1 when the cpu is online. Signed-off-by: Abhishek Goel <huntbag@linux.vnet.ibm.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> |
||
|
Amit Pundir
|
c3e0d179bf |
selftests: firmware: skip unsupported custom firmware fallback tests
Ignore custom firmware loading and cancellation tests on older
kernel releases, which do not support this feature.
Fixes:
|
||
|
Amit Pundir
|
157339a14a |
selftests: firmware: skip unsupported async loading tests
Ignore async firmware loading tests on older kernel releases,
which do not support this feature.
Fixes:
|
||
|
Lei Yang
|
7d33d2b5b8 |
selftests: memfd_test.c: fix compilation warning.
Replace '%d' by '%zu' to fix the following compilation warning.
memfd_test.c:517:3: warning: format ‘%d’ expects argument of
type ‘int’,but argument 2 has type ‘size_t’ [-Wformat=]
printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
^
memfd_test.c: In function ‘mfd_fail_grow_write’:
memfd_test.c:537:3: warning: format ‘%d’ expects argument
of type ‘int’,but argument 2 has type ‘size_t’ [-Wformat=]
printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
Signed-off-by: Lei Yang <Lei.Yang@windriver.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
|
||
|
Masami Hiramatsu
|
42534b1f58 |
selftests/ftrace: Introduce exit_pass and exit_fail
As same as other results, introduce exit_pass and exit_fail functions so that we can easily understand what will happen. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> |
||
|
Lei Yang
|
f737b8f4d3 |
selftests: ftrace: add more config fragments
We need to enable more configs to make test more without this patch,we got lots of "UNSUPPORTED" before the patch: http://pastebin.ubuntu.com/25784377/ after the patch: http://pastebin.ubuntu.com/25784387/ Signed-off-by: Lei Yang <Lei.Yang@windriver.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> |
||
|
Pintu Agarwal
|
47a18c42d9 |
android/ion: userspace test utility for ion buffer sharing
This is a test utility to verify ION buffer sharing in user space between 2 independent processes. It uses unix domain socket (with SCM_RIGHTS) as IPC to transfer an FD to another process to share the same buffer. This utility demonstrates how ION buffer sharing can be implemented between two user space processes, using various heap types. This utility is made to be run as part of kselftest framework in kernel. The utility is verified on Ubuntu-32 bit system with Linux Kernel 4.14, using ION system heap. For more information about the utility please check the README file. Signed-off-by: Pintu Agarwal <pintu.ping@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> |
||
|
lei.yang@windriver.com
|
50656ac6ac |
selftests: remove obsolete kconfig fragment for cpu-hotplug
Kconfig CONFIG_CPU_NOTIFIER_ERROR_INJECT has been removed since kernel 4.10
check commit:
commit
|
||
|
Greg Hackmann
|
2650554da3 |
selftests: vdso_test: support ARM64 targets
ARM64's vDSO exports its gettimeofday() implementation with a different name (__kernel_gettimeofday) and version (LINUX_2.6.39) from other architectures. Add a corresponding special-case to vdso_test. Signed-off-by: Greg Hackmann <ghackmann@google.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> |
||
|
Masami Hiramatsu
|
8d17a6fe5d |
selftests/ftrace: Do not use arch dependent do_IRQ as a target function
Instead using arch-dependent do_IRQ, use do_softirq as a target function. Applying do_IRQ to set_ftrace_filter always fail on arm/arm64 and any other architectures which don't define do_IRQ. So, instead of using that, use do_softirq which is defined in kernel/softirq.c. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> |
||
|
Sumit Semwal
|
af7dc09346 |
selftests: breakpoints: fix compile error on breakpoint_test_arm64
The current mainline breakpoints test for arm64 fails to compile with breakpoint_test_arm64.c: In function ‘set_watchpoint’: breakpoint_test_arm64.c:97:28: error: storage size of ‘dreg_state’ isn’t known struct user_hwdebug_state dreg_state; Adding a direct include for asm/ptrace.h helps it to build, and passes the test on mainline on hikey. Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> |