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| author | Dave Airlie <airlied@redhat.com> | 2017-12-19 12:37:24 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-12-19 12:37:24 +0100 |
| commit | 6b7dcb536e3535444c39286333f10d06d2f44fb5 (patch) | |
| tree | 6a4c1e30e5900626e506d46b100d21a2fcd59003 /kernel/locking/spinlock.c | |
| parent | Merge tag 'drm-misc-next-2017-12-14' of git://anongit.freedesktop.org/drm/drm... (diff) | |
| parent | Linux 4.15-rc4 (diff) | |
| download | linux-6b7dcb536e3535444c39286333f10d06d2f44fb5.tar.xz linux-6b7dcb536e3535444c39286333f10d06d2f44fb5.zip | |
BackMerge tag 'v4.15-rc4' into drm-next
Linux 4.15-rc4
Daniel requested it to fix some messy conflicts.
Diffstat (limited to 'kernel/locking/spinlock.c')
| -rw-r--r-- | kernel/locking/spinlock.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/kernel/locking/spinlock.c b/kernel/locking/spinlock.c index 1fd1a7543cdd..936f3d14dd6b 100644 --- a/kernel/locking/spinlock.c +++ b/kernel/locking/spinlock.c @@ -66,12 +66,8 @@ void __lockfunc __raw_##op##_lock(locktype##_t *lock) \ break; \ preempt_enable(); \ \ - if (!(lock)->break_lock) \ - (lock)->break_lock = 1; \ - while ((lock)->break_lock) \ - arch_##op##_relax(&lock->raw_lock); \ + arch_##op##_relax(&lock->raw_lock); \ } \ - (lock)->break_lock = 0; \ } \ \ unsigned long __lockfunc __raw_##op##_lock_irqsave(locktype##_t *lock) \ @@ -86,12 +82,9 @@ unsigned long __lockfunc __raw_##op##_lock_irqsave(locktype##_t *lock) \ local_irq_restore(flags); \ preempt_enable(); \ \ - if (!(lock)->break_lock) \ - (lock)->break_lock = 1; \ - while ((lock)->break_lock) \ - arch_##op##_relax(&lock->raw_lock); \ + arch_##op##_relax(&lock->raw_lock); \ } \ - (lock)->break_lock = 0; \ + \ return flags; \ } \ \ |