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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-30 00:09:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-30 00:09:17 -0700
commitf52b69f86e27903d6896ed5fa7cd280fec8de532 (patch)
tree0b213c61386153800afb459ca33e091bdec94570 /arch/sh/kernel/signal_32.c
parent2f7fa1be66dce77608330c5eb918d6360b5525f2 (diff)
parentb7e68d6876dfbab087bc3859211a9efc74cbe30c (diff)
downloadop-kernel-dev-f52b69f86e27903d6896ed5fa7cd280fec8de532.zip
op-kernel-dev-f52b69f86e27903d6896ed5fa7cd280fec8de532.tar.gz
Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh
Pull SuperH updates from Paul Mundt. * tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (25 commits) sh: Support I/O space swapping where needed. sh: use set_current_blocked() and block_sigmask() sh: no need to reset handler if SA_ONESHOT sh: intc: Fix up section mismatch for intc_ack_data sh: select ARCH_DISCARD_MEMBLOCK. sh: Consolidate duplicate _32/_64 unistd definitions. sh: ecovec: switch SDHI controllers to card polling sh: Avoid exporting unimplemented syscalls. sh: add platform_device for RSPI in setup-sh7757 SH: pci-sh7780: enable big-endian operation. serial: sh-sci: fix a race of DMA submit_tx on transfer sh: dma: Collect up CHCR of SH7763, SH7764, SH7780 and SH7785 sh: dma: Collect up CHCR of SH7723 and SH7730 sh/next: Fix build fail by asm/system.h in asm/bitops.h arch/sh/drivers/dma/{dma-g2,dmabrg}.c: ensure arguments to request_irq and free_irq are compatible sh: cpufreq: Wire up scaling_available_freqs support. sh: cpufreq: notify about rate rounding fallback. sh: cpufreq: Support CPU clock frequency table. sh: cpufreq: struct device lookup from CPU topology. sh: cpufreq: percpu struct clk accounting. ...
Diffstat (limited to 'arch/sh/kernel/signal_32.c')
-rw-r--r--arch/sh/kernel/signal_32.c35
1 files changed, 10 insertions, 25 deletions
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 0bc5886..5901fba 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -57,12 +57,13 @@ sys_sigsuspend(old_sigset_t mask,
unsigned long r5, unsigned long r6, unsigned long r7,
struct pt_regs __regs)
{
- mask &= _BLOCKABLE;
- spin_lock_irq(&current->sighand->siglock);
+ sigset_t blocked;
+
current->saved_sigmask = current->blocked;
- siginitset(&current->blocked, mask);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+
+ mask &= _BLOCKABLE;
+ siginitset(&blocked, mask);
+ set_current_blocked(&blocked);
current->state = TASK_INTERRUPTIBLE;
schedule();
@@ -239,11 +240,7 @@ asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
-
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
if (restore_sigcontext(regs, &frame->sc, &r0))
goto badframe;
@@ -273,10 +270,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))
goto badframe;
@@ -547,17 +541,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
else
ret = setup_frame(sig, ka, oldset, regs);
- if (ka->sa.sa_flags & SA_ONESHOT)
- ka->sa.sa_handler = SIG_DFL;
-
- if (ret == 0) {
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
- if (!(ka->sa.sa_flags & SA_NODEFER))
- sigaddset(&current->blocked,sig);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- }
+ if (ret == 0)
+ block_sigmask(ka, sig);
return ret;
}
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