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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-08-20 10:17:14 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-08-20 10:17:14 -0300 |
| commit | 78303650e4cd873c6c4276c6fe3e768ff0b46d22 (patch) | |
| tree | 962c9c7debae59ced3401c38d6894d620f68693b /tools | |
| parent | tools arch x86: Update tools's copy of cpufeatures.h (diff) | |
| download | linux-dev-78303650e4cd873c6c4276c6fe3e768ff0b46d22.tar.xz linux-dev-78303650e4cd873c6c4276c6fe3e768ff0b46d22.zip | |
tools arch: Update arch/x86/lib/memcpy_64.S copy used in 'perf bench mem memcpy'
To bring in the change made in this cset:
Fixes: a7bea8308933 ("x86/asm/64: Use 32-bit XOR to zero registers")
CC /tmp/build/perf/bench/mem-memcpy-x86-64-asm.o
LD /tmp/build/perf/bench/perf-in.o
LD /tmp/build/perf/perf-in.o
LINK /tmp/build/perf/perf
Silencing this perf build warning:
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
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jan Beulich <JBeulich@suse.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-sad22dudoz71qr3tsnlqtkia@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/arch/x86/lib/memcpy_64.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S index 298ef1479240..3b24dc05251c 100644 --- a/tools/arch/x86/lib/memcpy_64.S +++ b/tools/arch/x86/lib/memcpy_64.S @@ -256,7 +256,7 @@ ENTRY(__memcpy_mcsafe) /* Copy successful. Return zero */ .L_done_memcpy_trap: - xorq %rax, %rax + xorl %eax, %eax ret ENDPROC(__memcpy_mcsafe) EXPORT_SYMBOL_GPL(__memcpy_mcsafe) |