lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Mon, 14 Jul 2014 12:24:53 -0700
From:	tip-bot for Borislav Petkov <>
Subject: [tip:x86/cpufeature] x86, cpu: Kill cpu_has_mp

Commit-ID:  af0fa6f6b5851761e9fbf79eb14ba86e857b4e7b
Author:     Borislav Petkov <>
AuthorDate: Tue, 24 Jun 2014 13:25:05 +0200
Committer:  H. Peter Anvin <>
CommitDate: Mon, 14 Jul 2014 12:21:40 -0700

x86, cpu: Kill cpu_has_mp

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

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

Signed-off-by: Borislav Petkov <>
Signed-off-by: H. Peter Anvin <>
 arch/x86/include/asm/cpufeature.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 327a061..bb9b258 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -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
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists