summaryrefslogtreecommitdiffstats
path: root/arch/parisc/kernel/signal.c
diff options
context:
space:
mode:
authorJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2013-02-21 17:07:14 +0100
committerJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2013-02-21 17:07:14 +0100
commite29371d762df5bb35d2bc434ea266a046e5a0a75 (patch)
treedac4a8db52d92453415f35606130a49e9f32e4ef /arch/parisc/kernel/signal.c
parent17b14ca25e9cd6c5cd7605941f6120e405a84f8b (diff)
parent894e2ac82bd0029adce7ad6c8d25501fdd82c994 (diff)
Merge branch 'master' of git://1984.lsi.us.es/nf
Diffstat (limited to 'arch/parisc/kernel/signal.c')
-rw-r--r--arch/parisc/kernel/signal.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 53799695599..fd051705a40 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -190,8 +190,10 @@ get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size)
DBG(1,"get_sigframe: ka = %#lx, sp = %#lx, frame_size = %#lx\n",
(unsigned long)ka, sp, frame_size);
+ /* Align alternate stack and reserve 64 bytes for the signal
+ handler's frame marker. */
if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp))
- sp = current->sas_ss_sp; /* Stacks grow up! */
+ sp = (current->sas_ss_sp + 0x7f) & ~0x3f; /* Stacks grow up! */
DBG(1,"get_sigframe: Returning sp = %#lx\n", (unsigned long)sp);
return (void __user *) sp; /* Stacks grow up. Fun. */