diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-06-19 08:07:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-06-19 08:07:34 -0700 |
| commit | 3197dac24f4f98808a47c68cdb8efeee8539add1 (patch) | |
| tree | 6855c488c677d6be01e457161c3434628d0b2f10 /arch/sh/kernel/signal.c | |
| parent | 710675d3609b1123a40db1eb28bf34041b1d37f2 (diff) | |
| parent | 3aeb884b4ec442719a2d8aa15316415a7412efd8 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Handle -ERESTART_RESTARTBLOCK for restartable syscalls.
sh: oops_enter()/oops_exit() in die().
sh: Fix restartable syscall arg5 clobbering.
Diffstat (limited to 'arch/sh/kernel/signal.c')
| -rw-r--r-- | arch/sh/kernel/signal.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index b32c35a7c0a..e323e299878 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -268,7 +268,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5, badframe: force_sig(SIGSEGV, current); return 0; -} +} /* * Set up a signal frame. @@ -481,7 +481,7 @@ give_sigsegv: static int handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs *regs) + sigset_t *oldset, struct pt_regs *regs, unsigned int save_r0) { int ret; @@ -489,6 +489,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, if (regs->tra >= 0) { /* If so, check system call restarting.. */ switch (regs->regs[0]) { + case -ERESTART_RESTARTBLOCK: case -ERESTARTNOHAND: regs->regs[0] = -EINTR; break; @@ -500,6 +501,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, } /* fallthrough */ case -ERESTARTNOINTR: + regs->regs[0] = save_r0; regs->pc -= instruction_size( ctrl_inw(regs->pc - 4)); break; @@ -583,7 +585,8 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &ka, &info, oldset, regs) == 0) { + if (handle_signal(signr, &ka, &info, oldset, + regs, save_r0) == 0) { /* a signal was successfully delivered; the saved * sigmask will have been stored in the signal frame, * and will be restored by sigreturn, so we can simply |