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| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-04-27 16:22:32 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-06-25 16:26:06 -0700 |
| commit | a3d7b7dddcc38c19aa46509c7282e8def80384a8 (patch) | |
| tree | e5bcae9c5ebc653dfc56d3d7257d1b27ec2df708 | |
| parent | d1fbefcb3aa608599a3c9e4582cbeeb6ba6c8939 (diff) | |
| download | linux-a3d7b7dddcc38c19aa46509c7282e8def80384a8.tar.bz2 | |
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@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-um7za1nzf6brb17o0h4om6e3@git.kernel.org
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/cyrix.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/generic.c | 2 | ||||
| -rw-r--r-- | 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 68a3343e5798..9e451b0876b5 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 fa72a39e5d46..00f557b95b16 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 36818f8ec2be..e13f8e7c22a6 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 |