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perf tools fixes for v5.13: 5th batch

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- Correct buffer copying when peeking events.
 
 - Sync cpufeatures/disabled-features.h header with the kernel sources.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.13-2021-06-13' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Correct buffer copying when peeking events

 - Sync cpufeatures/disabled-features.h header with the kernel sources

* tag 'perf-tools-fixes-for-v5.13-2021-06-13' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  tools headers cpufeatures: Sync with the kernel sources
  perf session: Correct buffer copying when peeking events
This commit is contained in:
Linus Torvalds 2021-06-13 12:41:47 -07:00
commit e4e453434a
2 changed files with 3 additions and 5 deletions
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7
tools/arch/x86/include/asm/disabled-features.h
View file

@ -56,11 +56,8 @@
# define DISABLE_PTI (1 << (X86_FEATURE_PTI & 31))
#endif
#ifdef CONFIG_IOMMU_SUPPORT
# define DISABLE_ENQCMD 0
#else
# define DISABLE_ENQCMD (1 << (X86_FEATURE_ENQCMD & 31))
#endif
/* Force disable because it's broken beyond repair */
#define DISABLE_ENQCMD (1 << (X86_FEATURE_ENQCMD & 31))
#ifdef CONFIG_X86_SGX
# define DISABLE_SGX 0

1
tools/perf/util/session.c
View file

@ -1723,6 +1723,7 @@ int perf_session__peek_event(struct perf_session *session, off_t file_offset,
if (event->header.size < hdr_sz || event->header.size > buf_sz)
return -1;
buf += hdr_sz;
rest = event->header.size - hdr_sz;
if (readn(fd, buf, rest) != (ssize_t)rest)