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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-04-08 23:26:21 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-08 23:26:21 +0200 |
| commit | 462b69b1e43ceccab68a47d65b1e46520cd0fdc0 (patch) | |
| tree | 3c961fcb5889c5ab14ab36d8ef7421fc96c95959 /mm/slub.c | |
| parent | d8bf368d0631d4bc2612d8bf2e4e8e74e620d0cc (diff) | |
| parent | f22e6e847115abc3a0e2ad7bb18d243d42275af1 (diff) | |
| download | talos-op-linux-462b69b1e43ceccab68a47d65b1e46520cd0fdc0.tar.gz talos-op-linux-462b69b1e43ceccab68a47d65b1e46520cd0fdc0.zip | |
Merge branch 'linus' into irq/core to get the GIC updates which
conflict with pending GIC changes.
Conflicts:
drivers/usb/isp1760/isp1760-core.c
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c index 6832c4eab104..82c473780c91 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2449,7 +2449,8 @@ redo: do { tid = this_cpu_read(s->cpu_slab->tid); c = raw_cpu_ptr(s->cpu_slab); - } while (IS_ENABLED(CONFIG_PREEMPT) && unlikely(tid != c->tid)); + } while (IS_ENABLED(CONFIG_PREEMPT) && + unlikely(tid != READ_ONCE(c->tid))); /* * Irqless object alloc/free algorithm used here depends on sequence @@ -2718,7 +2719,8 @@ redo: do { tid = this_cpu_read(s->cpu_slab->tid); c = raw_cpu_ptr(s->cpu_slab); - } while (IS_ENABLED(CONFIG_PREEMPT) && unlikely(tid != c->tid)); + } while (IS_ENABLED(CONFIG_PREEMPT) && + unlikely(tid != READ_ONCE(c->tid))); /* Same with comment on barrier() in slab_alloc_node() */ barrier(); |
