redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

x86, cpu: Kill cpu_has_mp

Browse source 
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: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1403609105-8332-4-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Borislav Petkov 2014-06-24 13:25:05 +02:00 committed by H. Peter Anvin
parent 26bfa5f894
commit af0fa6f6b5
1 changed files with 0 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/x86/include/asm/cpufeature.h
View file

@ -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_avx2 boot_cpu_has(X86_FEATURE_AVX2)
#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_k6_mtrr boot_cpu_has(X86_FEATURE_K6_MTRR)
#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
#define cpu_has_pae ___BUG___
#undef cpu_has_mp
#define cpu_has_mp 1
#undef cpu_has_k6_mtrr
#define cpu_has_k6_mtrr 0