linux/tools/include, branch v5.10

bpf: Fix enum names for bpf_this_cpu_ptr() and bpf_per_cpu_ptr() helpers

2020-12-11T22:19:07Z

Remove bpf_ prefix, which causes these helpers to be reported in verifier dump as bpf_bpf_this_cpu_ptr() and bpf_bpf_per_cpu_ptr(), respectively. Lets fix it as long as it is still possible before UAPI freezes on these helpers. Fixes: eaa6bcb71ef6 ("bpf: Introduce bpf_per_cpu_ptr()") Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Signed-off-by: Daniel Borkmann Signed-off-by: Linus Torvalds

tools include UAPI: Update linux/mount.h copy

2020-11-03T11:52:11Z

To pick the changes from: dab741e0e02bd3c4 ("Add a "nosymfollow" mount option.") That ends up adding support for the new MS_NOSYMFOLLOW mount flag: $ tools/perf/trace/beauty/mount_flags.sh > before $ cp include/uapi/linux/mount.h tools/include/uapi/linux/mount.h $ tools/perf/trace/beauty/mount_flags.sh > after $ diff -u before after --- before 2020-11-03 08:51:28.117997454 -0300 +++ after 2020-11-03 08:51:38.992218869 -0300 @@ -7,6 +7,7 @@ [32 ? (ilog2(32) + 1) : 0] = "REMOUNT", [64 ? (ilog2(64) + 1) : 0] = "MANDLOCK", [128 ? (ilog2(128) + 1) : 0] = "DIRSYNC", + [256 ? (ilog2(256) + 1) : 0] = "NOSYMFOLLOW", [1024 ? (ilog2(1024) + 1) : 0] = "NOATIME", [2048 ? (ilog2(2048) + 1) : 0] = "NODIRATIME", [4096 ? (ilog2(4096) + 1) : 0] = "BIND", $ So now one can use it in --filter expressions for tracepoints. This silences this perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/linux/mount.h' differs from latest version at 'include/uapi/linux/mount.h' diff -u tools/include/uapi/linux/mount.h include/uapi/linux/mount.h Cc: Adrian Hunter Cc: Al Viro Cc: Ian Rogers Cc: Jiri Olsa Cc: Mattias Nissler Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo

tools headers UAPI: Update tools's copy of linux/perf_event.h

2020-11-03T11:49:59Z

The diff is just tabs versus spaces, trivial. This silences this perf tools build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h' diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h Cc: Adrian Hunter Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo

tools kvm headers: Update KVM headers from the kernel sources

2020-11-03T11:46:30Z

Some should cause changes in tooling, like the one adding LAST_EXCP, but the way it is structured end up not making that happen. The new SVM_EXIT_INVPCID should get used by arch/x86/util/kvm-stat.c, in the svm_exit_reasons table. The tools/perf/trace/beauty part has scripts to catch changes and automagically create tables, like tools/perf/trace/beauty/kvm_ioctl.sh, but changes are needed to make tools/perf/arch/x86/util/kvm-stat.c catch those automatically. These were handled by the existing scripts: $ tools/perf/trace/beauty/kvm_ioctl.sh > before $ cp include/uapi/linux/kvm.h tools/include/uapi/linux/kvm.h $ tools/perf/trace/beauty/kvm_ioctl.sh > after $ diff -u before after --- before 2020-11-03 08:43:52.910728608 -0300 +++ after 2020-11-03 08:44:04.273959984 -0300 @@ -89,6 +89,7 @@ [0xbf] = "SET_NESTED_STATE", [0xc0] = "CLEAR_DIRTY_LOG", [0xc1] = "GET_SUPPORTED_HV_CPUID", + [0xc6] = "X86_SET_MSR_FILTER", [0xe0] = "CREATE_DEVICE", [0xe1] = "SET_DEVICE_ATTR", [0xe2] = "GET_DEVICE_ATTR", $ $ tools/perf/trace/beauty/vhost_virtio_ioctl.sh > before $ cp include/uapi/linux/vhost.h tools/include/uapi/linux/vhost.h $ $ tools/perf/trace/beauty/vhost_virtio_ioctl.sh > after $ diff -u before after --- before 2020-11-03 08:45:55.522225198 -0300 +++ after 2020-11-03 08:46:12.881578666 -0300 @@ -37,4 +37,5 @@ [0x71] = "VDPA_GET_STATUS", [0x73] = "VDPA_GET_CONFIG", [0x76] = "VDPA_GET_VRING_NUM", + [0x78] = "VDPA_GET_IOVA_RANGE", }; $ This addresses these perf build warnings: 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 Warning: Kernel ABI header at 'tools/arch/s390/include/uapi/asm/sie.h' differs from latest version at 'arch/s390/include/uapi/asm/sie.h' diff -u tools/arch/s390/include/uapi/asm/sie.h arch/s390/include/uapi/asm/sie.h Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h' diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/svm.h' differs from latest version at 'arch/x86/include/uapi/asm/svm.h' diff -u tools/arch/x86/include/uapi/asm/svm.h arch/x86/include/uapi/asm/svm.h 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/include/uapi/linux/vhost.h' differs from latest version at 'include/uapi/linux/vhost.h' diff -u tools/include/uapi/linux/vhost.h include/uapi/linux/vhost.h Cc: Adrian Hunter Cc: Alexander Yarygin Cc: Borislav Petkov Cc: Christian Borntraeger Cc: Cornelia Huck Cc: David Ahern Cc: Ian Rogers Cc: Jiri Olsa Cc: Joerg Roedel Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo

tools UAPI: Update copy of linux/mman.h from the kernel sources

2020-11-03T11:36:51Z

e47168f3d1b14af5 ("powerpc/8xx: Support 16k hugepages with 4k pages") That don't cause any changes in tooling, just addresses this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/mman.h' differs from latest version at 'include/uapi/linux/mman.h' diff -u tools/include/uapi/linux/mman.h include/uapi/linux/mman.h Cc: Adrian Hunter Cc: Christophe Leroy Cc: Ian Rogers Cc: Jiri Olsa Cc: Michael Ellerman Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo

tools headers UAPI: Update fscrypt.h copy

2020-11-03T11:35:32Z

To get the changes from: c7f0207b613033c5 ("fscrypt: make "#define fscrypt_policy" user-only") That don't cause any changes in tools/perf, only addresses this perf tools 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 Cc: Eric Biggers Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo

tools headers UAPI: Sync drm/i915_drm.h with the kernel sources

2020-11-03T11:35:13Z

To pick the changes in: 13149e8bafc46572 ("drm/i915: add syncobj timeline support") cda9edd02425d790 ("drm/i915: introduce a mechanism to extend execbuf2") That don't result in any changes in tooling, just silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h' diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h Cc: Adrian Hunter Cc: Ian Rogers Cc: Jiri Olsa Cc: Lionel Landwerlin Cc: Namhyung Kim Cc: Rodrigo Vivi Signed-off-by: Arnaldo Carvalho de Melo

tools headers UAPI: Sync prctl.h with the kernel sources

2020-11-03T11:34:58Z

To get the changes in: 1c101da8b971a366 ("arm64: mte: Allow user control of the tag check mode via prctl()") af5ce95282dc99d0 ("arm64: mte: Allow user control of the generated random tags via prctl()") Which don't cause any change in tooling, only addresses this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h' diff -u tools/include/uapi/linux/prctl.h include/uapi/linux/prctl.h Cc: Adrian Hunter Cc: Catalin Marinas Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Remove broken __no_tail_call attribute

2020-11-03T11:32:15Z

The GCC specific __attribute__((optimize)) attribute does not what is commonly expected and is explicitly recommended against using in production code by the GCC people. Unlike what is often expected, it doesn't add to the optimization flags, but it fully replaces them, loosing any and all optimization flags provided by the compiler commandline. The only guaranteed upon means of inhibiting tail-calls is by placing a volatile asm with side-effects after the call such that the tail-call simply cannot be done. Given the original commit wasn't specific on which calls were the problem, this removal might re-introduce the problem, which can then be re-analyzed and cured properly. Signed-off-by: Peter Zijlstra Acked-by: Ard Biesheuvel Acked-by: Miguel Ojeda Cc: Alexei Starovoitov Cc: Arnd Bergmann Cc: Arvind Sankar Cc: Daniel Borkmann Cc: Geert Uytterhoeven Cc: Ian Rogers Cc: Josh Poimboeuf Cc: Kees Kook Cc: Martin Liška Cc: Nick Desaulniers Cc: Randy Dunlap Cc: Thomas Gleixner Link: http://lore.kernel.org/lkml/20201028081123.GT2628@hirez.programming.kicks-ass.net Signed-off-by: Arnaldo Carvalho de Melo

tools headers UAPI: Update process_madvise affected files

2020-11-03T11:29:30Z

To pick the changes from: ecb8ac8b1f146915 ("mm/madvise: introduce process_madvise() syscall: an external memory hinting API") That addresses these perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h' diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl' diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl Cc: Adrian Hunter Cc: Ian Rogers Cc: Jiri Olsa Cc: Linus Torvalds Cc: Minchan Kim Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo