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Commit af0fa6f6 authored by Borislav Petkov's avatar Borislav Petkov Committed by H. Peter Anvin
Browse files

x86, cpu: Kill cpu_has_mp 

It was used only for checking for some K7s which didn't have MP support,
see

http://www.hardwaresecrets.com/article/How-to-Transform-an-Athlon-XP-into-an-Athlon-MP/24



and it was unconditionally set on 64-bit for no reason. Kill it.

Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1403609105-8332-4-git-send-email-bp@alien8.de


Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 26bfa5f8

arch/x86/include/asm/cpufeature.h

+0 −4
Original line number Original line Diff line number Diff line
@@ -315,7 +315,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; 
#define cpu_has_avx		boot_cpu_has(X86_FEATURE_AVX)

#define cpu_has_avx		boot_cpu_has(X86_FEATURE_AVX)

#define cpu_has_avx2		boot_cpu_has(X86_FEATURE_AVX2)

#define cpu_has_avx2		boot_cpu_has(X86_FEATURE_AVX2)

#define cpu_has_ht		boot_cpu_has(X86_FEATURE_HT)

#define cpu_has_ht		boot_cpu_has(X86_FEATURE_HT)

#define cpu_has_mp		boot_cpu_has(X86_FEATURE_MP)

#define cpu_has_nx		boot_cpu_has(X86_FEATURE_NX)

#define cpu_has_nx		boot_cpu_has(X86_FEATURE_NX)

#define cpu_has_k6_mtrr		boot_cpu_has(X86_FEATURE_K6_MTRR)

#define cpu_has_k6_mtrr		boot_cpu_has(X86_FEATURE_K6_MTRR)

#define cpu_has_cyrix_arr	boot_cpu_has(X86_FEATURE_CYRIX_ARR)

#define cpu_has_cyrix_arr	boot_cpu_has(X86_FEATURE_CYRIX_ARR)
@@ -362,9 +361,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; 
#undef  cpu_has_pae

#undef  cpu_has_pae

#define cpu_has_pae		___BUG___

#define cpu_has_pae		___BUG___





#undef  cpu_has_mp

#define cpu_has_mp		1



#undef  cpu_has_k6_mtrr

#undef  cpu_has_k6_mtrr

#define cpu_has_k6_mtrr		0

#define cpu_has_k6_mtrr		0