diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-09-24 06:22:30 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-24 13:54:19 -0700 |
| commit | a748102430f4dbbfca3ff81ac12db6e4f1243677 (patch) | |
| tree | 0d71112ed450bd82d8656fcbdd0b4cc4fb2b68a8 /arch/m32r | |
| parent | a7f8388e2c167c73b6abb3b749157aafd08f90ee (diff) | |
| download | lwn-a748102430f4dbbfca3ff81ac12db6e4f1243677.tar.gz lwn-a748102430f4dbbfca3ff81ac12db6e4f1243677.zip | |
make m32r handle multiple pending signals
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m32r')
| -rw-r--r-- | arch/m32r/kernel/entry.S | 4 | ||||
| -rw-r--r-- | arch/m32r/kernel/signal.c | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 90149daa560f..225412bc227e 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -235,9 +235,9 @@ work_resched: work_notifysig: ; deal with pending signals and ; notify-resume requests mv r0, sp ; arg1 : struct pt_regs *regs - ldi r1, r9 ; arg2 : __u32 thread_info_flags + mv r1, r9 ; arg2 : __u32 thread_info_flags bl do_notify_resume - bra restore_all + bra resume_userspace ; perform syscall exit tracing ALIGN diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index acd69f7f3357..db152263484f 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -282,6 +282,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, regs->bpc -= 2; else regs->bpc -= 4; + regs->syscall_nr = -1; } } @@ -353,8 +354,8 @@ static int do_signal(struct pt_regs *regs) regs->bpc -= 2; else regs->bpc -= 4; - } - if (regs->r0 == -ERESTART_RESTARTBLOCK){ + regs->syscall_nr = -1; + } else if (regs->r0 == -ERESTART_RESTARTBLOCK){ regs->r0 = regs->orig_r0; regs->r7 = __NR_restart_syscall; inst = *(unsigned short *)(regs->bpc - 2); @@ -362,6 +363,7 @@ static int do_signal(struct pt_regs *regs) regs->bpc -= 2; else regs->bpc -= 4; + regs->syscall_nr = -1; } } if (test_thread_flag(TIF_RESTORE_SIGMASK)) { |