Commit-ID: ac4d3bfdd9e27bfcc0b016c7ac364acb166455a1
Gitweb: http://git.kernel.org/tip/ac4d3bfdd9e27bfcc0b016c7ac364acb166455a1
Author: "Pekka Enberg" <penberg@xxxxxxxxxxxxxx>
AuthorDate: Thu, 5 Mar 2009 17:22:21 +0200
Commit: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 6 Mar 2009 15:25:53 +0100
x86: init_memory_mapping() PSE and PGE setup ifdef removal
Impact: cleanup
Section 3.10 ("PAE-Enabled Paging in IA-32e Mode") of the Intel manual
states that The CR4.PSE bit is ignored in IA-32e mode. In 64-bit mode,
PGE is enabled at early boot so there's no need to hide setting them up
in an ifdef.
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
LKML-Reference: <1236266541.31324.14.camel@penberg-laptop>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/mm/init.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 5d06d25..e7d8bb5 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -223,7 +223,6 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
if (nx_enabled)
printk(KERN_INFO "NX (Execute Disable) protection: active\n");
-#ifdef CONFIG_X86_32
/* Enable PSE if available */
if (cpu_has_pse)
set_in_cr4(X86_CR4_PSE);
@@ -233,7 +232,6 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
set_in_cr4(X86_CR4_PGE);
__supported_pte_mask |= _PAGE_GLOBAL;
}
-#endif
if (use_gbpages)
page_size_mask |= 1 << PG_LEVEL_1G;
--
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