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| author | Anton Blanchard | 2005-09-10 08:01:11 +0200 |
|---|---|---|
| committer | Paul Mackerras | 2005-09-12 09:19:12 +0200 |
| commit | fd9648dff6f9797ecc509bcd181706a274dc074d (patch) | |
| tree | 845b99905dc4f54171d554c14e45b55f1cfe48e2 /arch/ppc64/kernel/signal32.c | |
| parent | [PATCH] ppc64: Add definitions for new PTRACE calls (diff) | |
| download | kernel-qcow2-linux-fd9648dff6f9797ecc509bcd181706a274dc074d.tar.gz kernel-qcow2-linux-fd9648dff6f9797ecc509bcd181706a274dc074d.tar.xz kernel-qcow2-linux-fd9648dff6f9797ecc509bcd181706a274dc074d.zip | |
[PATCH] ppc64: Add ptrace data breakpoint support
Add hardware data breakpoint support.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc64/kernel/signal32.c')
| -rw-r--r-- | arch/ppc64/kernel/signal32.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/ppc64/kernel/signal32.c b/arch/ppc64/kernel/signal32.c index 46f4d6cc7fc9..a8b7a5a56bb4 100644 --- a/arch/ppc64/kernel/signal32.c +++ b/arch/ppc64/kernel/signal32.c @@ -970,6 +970,14 @@ int do_signal32(sigset_t *oldset, struct pt_regs *regs) newsp = regs->gpr[1]; newsp &= ~0xfUL; + /* + * Reenable the DABR before delivering the signal to + * user space. The DABR will have been cleared if it + * triggered inside the kernel. + */ + if (current->thread.dabr) + set_dabr(current->thread.dabr); + /* Whee! Actually deliver the signal. */ if (ka.sa.sa_flags & SA_SIGINFO) ret = handle_rt_signal32(signr, &ka, &info, oldset, regs, newsp); |