diff options
author | Dave Airlie <airlied@redhat.com> | 2016-03-14 09:42:34 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2016-03-14 09:46:02 +1000 |
commit | 9b61c0fcdf0cfd20a85d9856d46142e7f297de0a (patch) | |
tree | d4abe6aa3f4e1e088f9da1d0597e078b1fe58912 /arch/s390/mm/maccess.c | |
parent | 550e3b23a53c88adfa46e64f9d442743e65d47da (diff) | |
parent | 125234dc8b1cc862f52d8bd5b37c36cc59b2cb86 (diff) |
Merge drm-fixes into drm-next.
Nouveau wanted this to avoid some worse conflicts when I merge that.
Diffstat (limited to 'arch/s390/mm/maccess.c')
-rw-r--r-- | arch/s390/mm/maccess.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index fec59c067d0d..792f9c63fbca 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -93,15 +93,19 @@ static int __memcpy_real(void *dest, void *src, size_t count) */ int memcpy_real(void *dest, void *src, size_t count) { + int irqs_disabled, rc; unsigned long flags; - int rc; if (!count) return 0; - local_irq_save(flags); - __arch_local_irq_stnsm(0xfbUL); + flags = __arch_local_irq_stnsm(0xf8UL); + irqs_disabled = arch_irqs_disabled_flags(flags); + if (!irqs_disabled) + trace_hardirqs_off(); rc = __memcpy_real(dest, src, count); - local_irq_restore(flags); + if (!irqs_disabled) + trace_hardirqs_on(); + __arch_local_irq_ssm(flags); return rc; } |