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authorAl Viro <viro@zeniv.linux.org.uk>2010-09-24 06:22:30 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2010-09-24 13:54:19 -0700
commita748102430f4dbbfca3ff81ac12db6e4f1243677 (patch)
tree0d71112ed450bd82d8656fcbdd0b4cc4fb2b68a8 /arch/m32r
parenta7f8388e2c167c73b6abb3b749157aafd08f90ee (diff)
downloadop-kernel-dev-a748102430f4dbbfca3ff81ac12db6e4f1243677.zip
op-kernel-dev-a748102430f4dbbfca3ff81ac12db6e4f1243677.tar.gz
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.S4
-rw-r--r--arch/m32r/kernel/signal.c6
2 files changed, 6 insertions, 4 deletions
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S
index 90149da..225412b 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 acd69f7..db15226 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)) {
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