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authorPaul Mackerras <paulus@samba.org>2005-10-12 14:43:32 +1000
committerPaul Mackerras <paulus@samba.org>2005-10-12 14:43:32 +1000
commitb6ec995a21a9428aef620b5adf46d047a18d88b8 (patch)
tree6719121e6605cbca524b687f47336b9bbf3b8d41 /arch/i386/kernel/signal.c
parent3a5f8c5f788d68e325d9fe3c26f4df5a5aee838a (diff)
parentda64c6ee6bb71bfb3f09d9bb89ce1aa4b1ee7e89 (diff)
downloadop-kernel-dev-b6ec995a21a9428aef620b5adf46d047a18d88b8.zip
op-kernel-dev-b6ec995a21a9428aef620b5adf46d047a18d88b8.tar.gz
Merge from Linus' tree
Diffstat (limited to 'arch/i386/kernel/signal.c')
-rw-r--r--arch/i386/kernel/signal.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c
index 61eb0c8..adcd069 100644
--- a/arch/i386/kernel/signal.c
+++ b/arch/i386/kernel/signal.c
@@ -338,7 +338,11 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
esp = (unsigned long) ka->sa.sa_restorer;
}
- return (void __user *)((esp - frame_size) & -8ul);
+ esp -= frame_size;
+ /* Align the stack pointer according to the i386 ABI,
+ * i.e. so that on function entry ((sp + 4) & 15) == 0. */
+ esp = ((esp + 4) & -16ul) - 4;
+ return (void __user *) esp;
}
/* These symbols are defined with the addresses in the vsyscall page.
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