Josh Triplett 4c6544f603 turbostat: Use GCC's CPUID functions to support PIC ... commit 2b92865e64 upstream. turbostat uses inline assembly to call cpuid. On 32-bit x86, on systems that have certain security features enabled by default that make -fPIC the default, this causes a build error: turbostat.c: In function ‘check_cpuid’: turbostat.c:1906:2: error: PIC register clobbered by ‘ebx’ in ‘asm’ asm("cpuid" : "=a" (fms), "=c" (ecx), "=d" (edx) : "a" (1) : "ebx"); ^ GCC provides a header cpuid.h, containing a __get_cpuid function that works with both PIC and non-PIC. (On PIC, it saves and restores ebx around the cpuid instruction.) Use that instead. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2014-02-13 11:51:09 -08:00
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Makefile	tools: create power/x86/turbostat	2011-01-11 22:46:02 -05:00
turbostat.8	tools turbostat: add summary option	2012-03-29 13:22:06 -04:00
turbostat.c	turbostat: Use GCC's CPUID functions to support PIC	2014-02-13 11:51:09 -08:00