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x86: asm linkage - introduce GLOBAL macro

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If the code is time critical and this entry is called
from other places we use ENTRY to have it globally defined
and especially aligned.

Contrary we have some snippets which are size
critical. So we use plane ".globl name; name:"
directive. Introduce GLOBAL macro for this.

Signed-off-by: Cyrill Gorcunov <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Cyrill Gorcunov authored and Ingo Molnar committed 2009-02-19 17:12:59 +01:00
1 parent 9f361c2219
commit 95695547a7
1 file changed
+4
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arch/x86/include/asm/linkage.h
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@@ -52,6 +52,10 @@
#endif
#define GLOBAL(name) \
.globl name; \
name:
#ifdef CONFIG_X86_ALIGNMENT_16
#define __ALIGN .align 16,0x90
#define __ALIGN_STR ".align 16,0x90"