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authorBrian Gerst <brgerst@gmail.com>2010-07-17 09:03:27 -0400
committerH. Peter Anvin <hpa@zytor.com>2010-07-22 00:23:40 -0400
commitcfaa71ee9794472598d3966c3315cd6bd8f953d3 (patch)
tree77991fa2648ffcb8bdcb7d76b9e896393402143d /arch
parent8c06585d6431addadd94903843dfbcd315b42d4e (diff)
x86: Use symbolic MSR names
Use symbolic MSR names instead of hardcoding the MSR index. Signed-off-by: Brian Gerst <brgerst@gmail.com> LKML-Reference: <1279371808-24804-2-git-send-email-brgerst@gmail.com> Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/acpi/realmode/wakeup.S2
-rw-r--r--arch/x86/kernel/verify_cpu_64.S3
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.S b/arch/x86/kernel/acpi/realmode/wakeup.S
index 580b4e296010..28595d6df47c 100644
--- a/arch/x86/kernel/acpi/realmode/wakeup.S
+++ b/arch/x86/kernel/acpi/realmode/wakeup.S
@@ -104,7 +104,7 @@ _start:
104 movl %eax, %ecx 104 movl %eax, %ecx
105 orl %edx, %ecx 105 orl %edx, %ecx
106 jz 1f 106 jz 1f
107 movl $0xc0000080, %ecx 107 movl $MSR_EFER, %ecx
108 wrmsr 108 wrmsr
1091: 1091:
110 110
diff --git a/arch/x86/kernel/verify_cpu_64.S b/arch/x86/kernel/verify_cpu_64.S
index 45b6f8a975a1..56a8c2a867d9 100644
--- a/arch/x86/kernel/verify_cpu_64.S
+++ b/arch/x86/kernel/verify_cpu_64.S
@@ -31,6 +31,7 @@
31 */ 31 */
32 32
33#include <asm/cpufeature.h> 33#include <asm/cpufeature.h>
34#include <asm/msr-index.h>
34 35
35verify_cpu: 36verify_cpu:
36 pushfl # Save caller passed flags 37 pushfl # Save caller passed flags
@@ -88,7 +89,7 @@ verify_cpu_sse_test:
88 je verify_cpu_sse_ok 89 je verify_cpu_sse_ok
89 test %di,%di 90 test %di,%di
90 jz verify_cpu_no_longmode # only try to force SSE on AMD 91 jz verify_cpu_no_longmode # only try to force SSE on AMD
91 movl $0xc0010015,%ecx # HWCR 92 movl $MSR_K7_HWCR,%ecx
92 rdmsr 93 rdmsr
93 btr $15,%eax # enable SSE 94 btr $15,%eax # enable SSE
94 wrmsr 95 wrmsr