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authorAndi Kleen <ak@linux.intel.com>2013-11-12 15:08:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:12 +0900
commit83460ec8dcac14142e7860a01fa59c267ac4657c (patch)
tree6bd63a842820b67150d74267dc07372be339f5c3 /include/linux/compat.h
parent54886a7153353ea2bf21ebfc1b8e030e71d151d7 (diff)
syscalls.h: use gcc alias instead of assembler aliases for syscalls
Use standard gcc __attribute__((alias(foo))) to define the syscall aliases instead of custom assembler macros. This is far cleaner, and also fixes my LTO kernel build. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/compat.h')
-rw-r--r--include/linux/compat.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 345da00a86e..ada34c92b68 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -41,14 +41,14 @@
COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
- asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
+ asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\
+ __attribute__((alias(__stringify(compat_SyS##name)))); \
static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\
asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
{ \
return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
} \
- SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \
static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#ifndef compat_user_stack_pointer