From e8f380e00840f694599e6ab42806639f7de26f11 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Tue, 22 May 2012 12:53:45 +0200 Subject: x86/bitops: Move BIT_64() for a wider use Needed for shifting 64-bit values on 32-bit, like MSR values, for example. Signed-off-by: Borislav Petkov Cc: Linus Torvalds Cc: Andrew Morton Cc: Peter Zijlstra Cc: Frank Arnold Link: http://lkml.kernel.org/r/1337684026-19740-1-git-send-email-bp@amd64.org Signed-off-by: Ingo Molnar --- arch/x86/include/asm/bitops.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch') diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index b97596e2b68..a6983b27722 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -15,6 +15,8 @@ #include #include +#define BIT_64(n) (U64_C(1) << (n)) + /* * These have to be done with inline assembly: that way the bit-setting * is guaranteed to be atomic. All bit operations return 0 if the bit -- cgit v1.2.3-70-g09d2 From 80f033610fb968e75f5d470233d8d0260d7a72ed Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Tue, 22 May 2012 12:53:46 +0200 Subject: x86/mce: Fix 32-bit build Got bitten again by the BIT() macro: arch/x86/kernel/cpu/mcheck/mce.c: In function '__mcheck_cpu_apply_quirks': arch/x86/kernel/cpu/mcheck/mce.c:1453:6: warning: left shift count >= width of type arch/x86/kernel/cpu/mcheck/mce.c:1454:7: warning: left shift count >= width of type Fix it already. Signed-off-by: Borislav Petkov Cc: Frank Arnold Cc: Linus Torvalds Cc: Andrew Morton Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1337684026-19740-2-git-send-email-bp@amd64.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/mcheck/mce.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch') diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 888fbf9d0ad..0456b9a0808 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1450,9 +1450,9 @@ static int __cpuinit __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) rdmsrl(msrs[i], val); /* CntP bit set? */ - if (val & BIT(62)) { - val &= ~BIT(62); - wrmsrl(msrs[i], val); + if (val & BIT_64(62)) { + val &= ~BIT_64(62); + wrmsrl(msrs[i], val); } } -- cgit v1.2.3-70-g09d2