powerpc: Reset MSR_LE on signal entry

We always take signals in big endian which is wrong. Signals
should be taken in native endian.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index f93ec2835a13..8b51b0278106 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -773,8 +773,9 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info,
 
         /* Set up "regs" so we "return" to the signal handler. */
         err |= get_user(regs->nip, &funct_desc_ptr->entry);
-        /* enter the signal handler in big-endian mode */
+        /* enter the signal handler in native-endian mode */
         regs->msr &= ~MSR_LE;
+        regs->msr |= (MSR_KERNEL & MSR_LE);
         regs->gpr[1] = newsp;
         err |= get_user(regs->gpr[2], &funct_desc_ptr->toc);
         regs->gpr[3] = signr;