diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-02 21:13:45 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-21 14:39:44 -0400 |
commit | fa18484d0947b976a769d15c83c50617493c81c1 (patch) | |
tree | 09845575b951b585d236101e67073b3e9ed4fb16 /arch/arm/kernel/signal.c | |
parent | 6b5c8045ecc7e726cdaa2a9d9c8e5008050e1252 (diff) |
arm: remove unused restart trampoline
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/signal.c')
-rw-r--r-- | arch/arm/kernel/signal.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 75c70d1850df..869c4988fefc 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c | |||
@@ -29,7 +29,6 @@ | |||
29 | */ | 29 | */ |
30 | #define SWI_SYS_SIGRETURN (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE)) | 30 | #define SWI_SYS_SIGRETURN (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE)) |
31 | #define SWI_SYS_RT_SIGRETURN (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE)) | 31 | #define SWI_SYS_RT_SIGRETURN (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE)) |
32 | #define SWI_SYS_RESTART (0xef000000|__NR_restart_syscall|__NR_OABI_SYSCALL_BASE) | ||
33 | 32 | ||
34 | /* | 33 | /* |
35 | * With EABI, the syscall number has to be loaded into r7. | 34 | * With EABI, the syscall number has to be loaded into r7. |
@@ -50,18 +49,6 @@ const unsigned long sigreturn_codes[7] = { | |||
50 | }; | 49 | }; |
51 | 50 | ||
52 | /* | 51 | /* |
53 | * Either we support OABI only, or we have EABI with the OABI | ||
54 | * compat layer enabled. In the later case we don't know if | ||
55 | * user space is EABI or not, and if not we must not clobber r7. | ||
56 | * Always using the OABI syscall solves that issue and works for | ||
57 | * all those cases. | ||
58 | */ | ||
59 | const unsigned long syscall_restart_code[2] = { | ||
60 | SWI_SYS_RESTART, /* swi __NR_restart_syscall */ | ||
61 | 0xe49df004, /* ldr pc, [sp], #4 */ | ||
62 | }; | ||
63 | |||
64 | /* | ||
65 | * atomically swap in the new signal mask, and wait for a signal. | 52 | * atomically swap in the new signal mask, and wait for a signal. |
66 | */ | 53 | */ |
67 | asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask) | 54 | asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask) |