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authorMiquel Raynal <miquel.raynal@bootlin.com>2019-11-17 18:34:01 +0100
committerMiquel Raynal <miquel.raynal@bootlin.com>2019-11-17 18:34:01 +0100
commit8389a7b909f252e74ea92b2794de8d660cfee96e (patch)
treea947f3080e953e4a44417389b3f2b69d4817be2e /kernel/time/hrtimer.c
parentad39b5a1ed68032292794b41a5f9e41ea69f8052 (diff)
parent83cba933a6db1dd4d7ac85170f99461fbc339eff (diff)
Merge tag 'spi-nor/for-5.5' into mtd/next
SPI NOR core changes: - introduce 'struct spi_nor_controller_ops', - clean the Register Operations methods, - use dev_dbg insted of dev_err for low level info, - fix retlen handling in sst_write(), - fix silent truncations in spi_nor_read and spi_nor_read_raw(), - fix the clearing of QE bit on lock()/unlock(), - rework the disabling of the block write protection, - rework the Quad Enable methods, - make sure nor->spimem and nor->controller_ops are mutually exclusive, - set default Quad Enable method for ISSI flashes, - add support for few flashes. SPI NOR controller drivers changes: - intel-spi: - support chips without software sequencer, - add support for Intel Cannon Lake and Intel Comet Lake-H flashes.
Diffstat (limited to 'kernel/time/hrtimer.c')
-rw-r--r--kernel/time/hrtimer.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 0d4dc241c0fb..65605530ee34 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -164,7 +164,7 @@ struct hrtimer_clock_base *lock_hrtimer_base(const struct hrtimer *timer,
struct hrtimer_clock_base *base;
for (;;) {
- base = timer->base;
+ base = READ_ONCE(timer->base);
if (likely(base != &migration_base)) {
raw_spin_lock_irqsave(&base->cpu_base->lock, *flags);
if (likely(base == timer->base))
@@ -244,7 +244,7 @@ again:
return base;
/* See the comment in lock_hrtimer_base() */
- timer->base = &migration_base;
+ WRITE_ONCE(timer->base, &migration_base);
raw_spin_unlock(&base->cpu_base->lock);
raw_spin_lock(&new_base->cpu_base->lock);
@@ -253,10 +253,10 @@ again:
raw_spin_unlock(&new_base->cpu_base->lock);
raw_spin_lock(&base->cpu_base->lock);
new_cpu_base = this_cpu_base;
- timer->base = base;
+ WRITE_ONCE(timer->base, base);
goto again;
}
- timer->base = new_base;
+ WRITE_ONCE(timer->base, new_base);
} else {
if (new_cpu_base != this_cpu_base &&
hrtimer_check_target(timer, new_base)) {