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| author | Al Viro | 2012-12-14 20:09:47 +0100 |
|---|---|---|
| committer | Al Viro | 2012-12-20 00:07:40 +0100 |
| commit | 6bf9adfc90370b695cb111116e15fdc0e1906270 (patch) | |
| tree | b8e4d369cadad21f33b7a5f7f69d43665f821ddc /arch/um/kernel/signal.c | |
| parent | new helper: compat_user_stack_pointer() (diff) | |
| download | kernel-qcow2-linux-6bf9adfc90370b695cb111116e15fdc0e1906270.tar.gz kernel-qcow2-linux-6bf9adfc90370b695cb111116e15fdc0e1906270.tar.xz kernel-qcow2-linux-6bf9adfc90370b695cb111116e15fdc0e1906270.zip | |
introduce generic sys_sigaltstack(), switch x86 and um to it
Conditional on CONFIG_GENERIC_SIGALTSTACK; architectures that do not
select it are completely unaffected
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/um/kernel/signal.c')
| -rw-r--r-- | arch/um/kernel/signal.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index db18eb6124e1..48ccf718e290 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -132,8 +132,3 @@ long sys_sigsuspend(int history0, int history1, old_sigset_t mask) siginitset(&blocked, mask); return sigsuspend(&blocked); } - -long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, PT_REGS_SP(¤t->thread.regs)); -} |