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authorBoris Brezillon <boris.brezillon@free-electrons.com>2017-08-28 18:04:15 +0200
committerBoris Brezillon <boris.brezillon@free-electrons.com>2017-08-28 18:04:15 +0200
commit5ffa70b2a38befadb920b85fe87f5da2b4cff623 (patch)
tree411b1d357731db5e2611f0ca67082a8c909b7d9d /arch/powerpc/kernel/process.c
parent75864b301c91bf41ec2fb49ce4efb62fcb48b954 (diff)
parentcc4a41fe5541a73019a864883297bd5043aa6d98 (diff)
Merge tag 'v4.13-rc7' into mtd/next
Merge v4.13-rc7 back to resolve merge conflicts in drivers/mtd/nand/nandsim.c and include/asm-generic/vmlinux.lds.h.
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;