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authorAdrian Hunter <adrian.hunter@intel.com>2018-05-22 13:54:34 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-05-22 10:55:59 -0300
commit4d004365e25251002935fc3843d80934248ad3ed (patch)
tree26574a089d21977209ba4983cbae27cea5e8a042 /tools/perf/arch/x86
parentperf machine: Workaround missing maps for x86 PTI entry trampolines (diff)
downloadlinux-dev-4d004365e25251002935fc3843d80934248ad3ed.tar.xz
linux-dev-4d004365e25251002935fc3843d80934248ad3ed.zip
perf machine: Fix map_groups__split_kallsyms() for entry trampoline symbols
When kernel symbols are derived from /proc/kallsyms only (not using vmlinux or /proc/kcore) map_groups__split_kallsyms() is used. However that function makes assumptions that are not true with entry trampoline symbols. For now, remove the entry trampoline symbols at that point, as they are no longer needed at that point. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86@kernel.org Link: http://lkml.kernel.org/r/1526986485-6562-7-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch/x86')
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