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Date: Tue, 25 Jun 2013 15:55:05 -0700 From: "tip-bot for H. Peter Anvin" <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org, tglx@...utronix.de, hpa@...ux.intel.com Subject: [tip:x86/asm] x86, asm, cleanup: Replace open-coded control register values with symbolic Commit-ID: 7d9b69263e883c4e69fbc1511cd80520369ed02f Gitweb: http://git.kernel.org/tip/7d9b69263e883c4e69fbc1511cd80520369ed02f Author: H. Peter Anvin <hpa@...ux.intel.com> AuthorDate: Sat, 27 Apr 2013 16:22:32 -0700 Committer: H. Peter Anvin <hpa@...ux.intel.com> CommitDate: Tue, 25 Jun 2013 15:50:05 -0700 x86, asm, cleanup: Replace open-coded control register values with symbolic Clean up an unnecessary open-coded control register values. Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com> Link: http://lkml.kernel.org/n/tip-um7za1nzf6brb17o0h4om6e3@git.kernel.org --- arch/x86/kernel/cpu/mtrr/cyrix.c | 2 +- arch/x86/kernel/cpu/mtrr/generic.c | 2 +- arch/x86/kernel/relocate_kernel_32.S | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/mtrr/cyrix.c b/arch/x86/kernel/cpu/mtrr/cyrix.c index 68a3343..9e451b0 100644 --- a/arch/x86/kernel/cpu/mtrr/cyrix.c +++ b/arch/x86/kernel/cpu/mtrr/cyrix.c @@ -167,7 +167,7 @@ static void post_set(void) setCx86(CX86_CCR3, ccr3); /* Enable caches */ - write_cr0(read_cr0() & 0xbfffffff); + write_cr0(read_cr0() & ~X86_CR0_CD); /* Restore value of CR4 */ if (cpu_has_pge) diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index fa72a39..00f557b 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -701,7 +701,7 @@ static void post_set(void) __releases(set_atomicity_lock) mtrr_wrmsr(MSR_MTRRdefType, deftype_lo, deftype_hi); /* Enable caches */ - write_cr0(read_cr0() & 0xbfffffff); + write_cr0(read_cr0() & ~X86_CR0_CD); /* Restore value of CR4 */ if (cpu_has_pge) diff --git a/arch/x86/kernel/relocate_kernel_32.S b/arch/x86/kernel/relocate_kernel_32.S index 36818f8..e13f8e7 100644 --- a/arch/x86/kernel/relocate_kernel_32.S +++ b/arch/x86/kernel/relocate_kernel_32.S @@ -186,7 +186,7 @@ identity_mapped: movl CP_PA_PGD(%ebx), %eax movl %eax, %cr3 movl %cr0, %eax - orl $(1<<31), %eax + orl $X86_CR0_PG, %eax movl %eax, %cr0 lea PAGE_SIZE(%edi), %esp movl %edi, %eax -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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