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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-14 20:13:19 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-14 20:13:19 +0400
commitf2e5d078f7f02d4289db31f5f63e23e39914075e (patch)
treec739a3e70846284ae2ce3d98cecc2be1ffebe2e2 /arch/parisc/kernel/signal.c
parentc66a566afbe6e2c94b1ae70f70cc1e3d4c73639b (diff)
parent836dc9e3fbbab0c30aa6e664417225f5c1fb1c39 (diff)
downloadlinux-f2e5d078f7f02d4289db31f5f63e23e39914075e.tar.xz
Merge tag 'v3.8-rc7' into regulator-core
Linux 3.8-rc7
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 537996955998..fd051705a407 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. */