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David Woodhouse authored
Add MOVBE to asm/required-features.h so we check for it during startup and don't bother checking for it later. CONFIG_MATOM is used because it corresponds to -march=atom in the Makefiles. If the rules get more complicated it may be necessary to make this an explicit Kconfig option which uses -mmovbe/-mno-movbe to control the use of this instruction explicitly. Signed-off-by:
David Woodhouse <David.Woodhouse@intel.com> Link: http://lkml.kernel.org/r/1359395390.3529.65.camel@shinybook.infradead.org [ hpa: added a patch description ] Signed-off-by:
H. Peter Anvin <hpa@linux.intel.com>
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