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Commit a3d7b7dd authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

x86, asm, cleanup: Replace open-coded control register values with symbolic 



Clean up an unnecessary open-coded control register values.

Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-um7za1nzf6brb17o0h4om6e3@git.kernel.org
parent d1fbefcb

arch/x86/kernel/cpu/mtrr/cyrix.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

arch/x86/kernel/cpu/mtrr/generic.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

arch/x86/kernel/relocate_kernel_32.S

+1 −1
Original line number Diff line number Diff line
@@ -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