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authorChris Wilson <chris@chris-wilson.co.uk>2010-09-21 11:19:32 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2010-09-21 11:19:32 +0100
commite9e5f8e8d373e72f5c39dafde1ce110fc7082118 (patch)
tree2991e33571a59cc2488daef36dcfeab7bddb9d7f /arch/alpha/kernel/signal.c
parentf899fc64cda8569d0529452aafc0da31c042df2e (diff)
parentdb8c076b9206ea35b1f7299708d5510b17674db2 (diff)
Merge branch 'drm-intel-fixes' into HEAD
Conflicts: drivers/char/agp/intel-agp.c drivers/gpu/drm/i915/intel_crt.c
Diffstat (limited to 'arch/alpha/kernel/signal.c')
-rw-r--r--arch/alpha/kernel/signal.c41
1 files changed, 3 insertions, 38 deletions
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 0932dbb1ef8..0f6b51ae865 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -144,8 +144,7 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
-asmlinkage int
-do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw)
+SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask)
{
mask &= _BLOCKABLE;
spin_lock_irq(&current->sighand->siglock);
@@ -154,41 +153,6 @@ do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw)
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
- /* Indicate EINTR on return from any possible signal handler,
- which will not come back through here, but via sigreturn. */
- regs->r0 = EINTR;
- regs->r19 = 1;
-
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- set_thread_flag(TIF_RESTORE_SIGMASK);
- return -ERESTARTNOHAND;
-}
-
-asmlinkage int
-do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize,
- struct pt_regs *regs, struct switch_stack *sw)
-{
- sigset_t set;
-
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(sigset_t))
- return -EINVAL;
- if (copy_from_user(&set, uset, sizeof(set)))
- return -EFAULT;
-
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->saved_sigmask = current->blocked;
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- /* Indicate EINTR on return from any possible signal handler,
- which will not come back through here, but via sigreturn. */
- regs->r0 = EINTR;
- regs->r19 = 1;
-
current->state = TASK_INTERRUPTIBLE;
schedule();
set_thread_flag(TIF_RESTORE_SIGMASK);
@@ -239,6 +203,8 @@ restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
unsigned long usp;
long i, err = __get_user(regs->pc, &sc->sc_pc);
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
sw->r26 = (unsigned long) ret_from_sys_call;
err |= __get_user(regs->r0, sc->sc_regs+0);
@@ -591,7 +557,6 @@ syscall_restart(unsigned long r0, unsigned long r19,
regs->pc -= 4;
break;
case ERESTART_RESTARTBLOCK:
- current_thread_info()->restart_block.fn = do_no_restart_syscall;
regs->r0 = EINTR;
break;
}