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authorDan Williams <dan.j.williams@intel.com>2017-08-31 16:25:59 -0700
committerDan Williams <dan.j.williams@intel.com>2017-08-31 16:25:59 -0700
commit8f98ae0c9b90bb46097e4f28e81e9ae6148e5694 (patch)
treec1d0f0d9b0733bf3271780e45d7a1c299fe2fc48 /arch/powerpc/kernel/process.c
parent58738c495e15badd2015e19ff41f1f1ed55200bc (diff)
parent5e405595e5bf4c09fab9ca1e7dbe5b62872757b5 (diff)
Merge branch 'for-4.14/fs' into libnvdimm-for-next
Diffstat (limited to 'arch/powerpc/kernel/process.c')
-rw-r--r--arch/powerpc/kernel/process.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 9f3e2c932dcc..1f0fd361e09b 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -362,7 +362,8 @@ void enable_kernel_vsx(void)
cpumsr = msr_check_and_set(MSR_FP|MSR_VEC|MSR_VSX);
- if (current->thread.regs && (current->thread.regs->msr & MSR_VSX)) {
+ if (current->thread.regs &&
+ (current->thread.regs->msr & (MSR_VSX|MSR_VEC|MSR_FP))) {
check_if_tm_restore_required(current);
/*
* If a thread has already been reclaimed then the
@@ -386,7 +387,7 @@ void flush_vsx_to_thread(struct task_struct *tsk)
{
if (tsk->thread.regs) {
preempt_disable();
- if (tsk->thread.regs->msr & MSR_VSX) {
+ if (tsk->thread.regs->msr & (MSR_VSX|MSR_VEC|MSR_FP)) {
BUG_ON(tsk != current);
giveup_vsx(tsk);
}
@@ -511,10 +512,6 @@ void restore_math(struct pt_regs *regs)
{
unsigned long msr;
- /*
- * Syscall exit makes a similar initial check before branching
- * to restore_math. Keep them in synch.
- */
if (!msr_tm_active(regs->msr) &&
!current->thread.load_fp && !loadvec(current->thread))
return;