Re: [PATCH v4 4/4] perf test amd ibs: Add sample period unit test

[Ravi Bangoria <ravi.bangoria@amd.com>]

> Another issue when building with clang on musl:
> 
> arch/x86/tests/amd-ibs-period.c:81:3: error: no matching function for call to 'memcpy'
>                 memcpy(func, insn1, sizeof(insn1));
>                 ^~~~~~
> /usr/include/string.h:27:7: note: candidate function not viable: no known conversion from 'int (*)(void)' to 'void *' for 1st argument
> void *memcpy (void *__restrict, const void *__restrict, size_t);
>       ^
> /usr/include/fortify/string.h:40:27: note: candidate function not viable: no known conversion from 'int (*)(void)' to 'void *const' for 1st argument
> _FORTIFY_FN(memcpy) void *memcpy(void * _FORTIFY_POS0 __od,
>                           ^
> arch/x86/tests/amd-ibs-period.c:87:3: error: no matching function for call to 'memcpy'
>                 memcpy(func, insn2, sizeof(insn2));
>                 ^~~~~~
> /usr/include/string.h:27:7: note: candidate function not viable: no known conversion from 'int (*)(void)' to 'void *' for 1st argument
> void *memcpy (void *__restrict, const void *__restrict, size_t);
>       ^
> /usr/include/fortify/string.h:40:27: note: candidate function not viable: no known conversion from 'int (*)(void)' to 'void *const' for 1st argument
> _FORTIFY_FN(memcpy) void *memcpy(void * _FORTIFY_POS0 __od,
>                           ^
> 2 errors generated.
>   CC      /tmp/build/perf/ui/browsers/header.o
>   CC      /tmp/build/perf/arch/x86/util/mem-events.o
> 
> Adding the patch below cures it, still need to test on a Zen 5 system.

Thanks for the fix. Looks good.

Ravi