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authorIngo Molnar <mingo@elte.hu>2009-11-26 10:37:55 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-26 10:38:52 +0100
commit64b028b22616946a05bf9580f7f7f7ee2ac070b4 (patch)
tree923af35553b0115daa2893e9ac16084bce717cd9 /arch/x86/include/asm/system.h
parent79b0379cee09b00ef309384aff652e328e438c79 (diff)
x86: Clean up the loadsegment() macro
Make it readable in the source too, not just in the assembly output. No change in functionality. Cc: Brian Gerst <brgerst@gmail.com> LKML-Reference: <1259176706-5908-1-git-send-email-brgerst@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/system.h')
-rw-r--r--arch/x86/include/asm/system.h28
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index 537395a2877..022a84386de 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -155,19 +155,21 @@ extern void native_load_gs_index(unsigned);
* Load a segment. Fall back on loading the zero
* segment if something goes wrong..
*/
-#define loadsegment(seg, value) \
-do { \
- unsigned short __val = value; \
- asm volatile("\n" \
- "1:\t" \
- "movl %k0,%%" #seg "\n" \
- ".section .fixup,\"ax\"\n" \
- "2:\t" \
- "xorl %k0,%k0\n\t" \
- "jmp 1b\n" \
- ".previous\n" \
- _ASM_EXTABLE(1b, 2b) \
- : "+r" (__val) : : "memory"); \
+#define loadsegment(seg, value) \
+do { \
+ unsigned short __val = (value); \
+ \
+ asm volatile(" \n" \
+ "1: movl %k0,%%" #seg " \n" \
+ \
+ ".section .fixup,\"ax\" \n" \
+ "2: xorl %k0,%k0 \n" \
+ " jmp 1b \n" \
+ ".previous \n" \
+ \
+ _ASM_EXTABLE(1b, 2b) \
+ \
+ : "+r" (__val) : : "memory"); \
} while (0)
/*