summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/signal_32.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r--arch/powerpc/kernel/signal_32.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 92fb1c8dbbd8..16d16583cf11 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -519,6 +519,8 @@ static int save_tm_user_regs(struct pt_regs *regs,
{
unsigned long msr = regs->msr;
+ WARN_ON(tm_suspend_disabled);
+
/* Remove TM bits from thread's MSR. The MSR in the sigcontext
* just indicates to userland that we were doing a transaction, but we
* don't want to return in transactional state. This also ensures
@@ -769,6 +771,8 @@ static long restore_tm_user_regs(struct pt_regs *regs,
int i;
#endif
+ if (tm_suspend_disabled)
+ return 1;
/*
* restore general registers but not including MSR or SOFTE. Also
* take care of keeping r2 (TLS) intact if not a signal.
@@ -876,7 +880,7 @@ static long restore_tm_user_regs(struct pt_regs *regs,
/* Make sure the transaction is marked as failed */
current->thread.tm_texasr |= TEXASR_FS;
/* This loads the checkpointed FP/VEC state, if used */
- tm_recheckpoint(&current->thread, msr);
+ tm_recheckpoint(&current->thread);
/* This loads the speculative FP/VEC state, if used */
msr_check_and_set(msr & (MSR_FP | MSR_VEC));