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Commit 5b74e3ab authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
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x86_64: Use string instruction memcpy/memset on AMD Fam10 



Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ae2c6dcf

arch/x86_64/kernel/setup.c

+2 −0
Original line number Diff line number Diff line
@@ -575,6 +575,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) 
	level = cpuid_eax(1);

	if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58))

		set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);

	if (c->x86 == 0x10)

		set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);



	/* Enable workaround for FXSAVE leak */

	if (c->x86 >= 6)