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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-02-04 14:51:49 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-02-04 14:51:49 +0000
commit2fb20e2e35cd1455d022ab7a553d7f1663ffbdeb (patch)
tree4b3bb0f76c15264fe7d4cced91127f3d96ff31f5 /arch/x86/kernel/head_32.S
parent9cb543124a2d31af42ce61a4c30765ecc8e5f1fa (diff)
parent5b91ab0abc957145c3ff6be03eb9a3901797019f (diff)
Merge branch 'for-rmk/broadcast' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
Diffstat (limited to 'arch/x86/kernel/head_32.S')
-rw-r--r--arch/x86/kernel/head_32.S9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 8e7f6556028f..c8932c79e78b 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -300,6 +300,12 @@ ENTRY(startup_32_smp)
leal -__PAGE_OFFSET(%ecx),%esp
default_entry:
+#define CR0_STATE (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \
+ X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \
+ X86_CR0_PG)
+ movl $(CR0_STATE & ~X86_CR0_PG),%eax
+ movl %eax,%cr0
+
/*
* New page tables may be in 4Mbyte page mode and may
* be using the global pages.
@@ -364,8 +370,7 @@ default_entry:
*/
movl $pa(initial_page_table), %eax
movl %eax,%cr3 /* set the page table pointer.. */
- movl %cr0,%eax
- orl $X86_CR0_PG,%eax
+ movl $CR0_STATE,%eax
movl %eax,%cr0 /* ..and set paging (PG) bit */
ljmp $__BOOT_CS,$1f /* Clear prefetch and normalize %eip */
1: