tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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tools headers: Update the copy of x86's mem{cpy,set}_64.S used in 'perf bench'

Also add SYM_PIC_ALIAS() to tools/perf/util/include/linux/linkage.h.

This is to get the changes from:

419cbaf6a56a6e4b ("x86/boot: Add a bunch of PIC aliases")

That addresses these perf tools build warning:

Warning: Kernel ABI header differences:
diff -u tools/arch/x86/lib/memcpy_64.S arch/x86/lib/memcpy_64.S
diff -u tools/arch/x86/lib/memset_64.S arch/x86/lib/memset_64.S

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/aEry7L3fibwIG5au@x1
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Arnaldo Carvalho de Melo 00c8fde7 aa69783a

+6
+1
tools/arch/x86/lib/memcpy_64.S
··· 40 40 EXPORT_SYMBOL(__memcpy) 41 41 42 42 SYM_FUNC_ALIAS_MEMFUNC(memcpy, __memcpy) 43 + SYM_PIC_ALIAS(memcpy) 43 44 EXPORT_SYMBOL(memcpy) 44 45 45 46 SYM_FUNC_START_LOCAL(memcpy_orig)
+1
tools/arch/x86/lib/memset_64.S
··· 42 42 EXPORT_SYMBOL(__memset) 43 43 44 44 SYM_FUNC_ALIAS_MEMFUNC(memset, __memset) 45 + SYM_PIC_ALIAS(memset) 45 46 EXPORT_SYMBOL(memset) 46 47 47 48 SYM_FUNC_START_LOCAL(memset_orig)
+4
tools/perf/util/include/linux/linkage.h
··· 132 132 SYM_TYPED_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) 133 133 #endif 134 134 135 + #ifndef SYM_PIC_ALIAS 136 + #define SYM_PIC_ALIAS(sym) SYM_ALIAS(__pi_ ## sym, sym, SYM_T_FUNC, SYM_L_GLOBAL) 137 + #endif 138 + 135 139 #endif /* PERF_LINUX_LINKAGE_H_ */