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authorLinus Torvalds <torvalds@linux-foundation.org>2021-05-27 12:01:26 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-27 12:01:26 -1000
commit97e5bf604b7a0d6e1b3e00fe31d5fd4b9bffeaae (patch)
tree9fe27c6e8741e1e4703bb19b91098f33c0fb8c90 /lib
parent3c856a3180daf38d33166c0c98da921841588019 (diff)
parentc547addba7096debac4f99cdfe869a32a81081e2 (diff)
Merge branch 'for-5.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu fixes from Dennis Zhou: "This contains a cleanup to lib/percpu-refcount.c and an update to the MAINTAINERS file to more formally take over support for lib/percpu*" * 'for-5.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu: MAINTAINERS: Add lib/percpu* as part of percpu entry percpu_ref: Don't opencode percpu_ref_is_dying
Diffstat (limited to 'lib')
-rw-r--r--lib/percpu-refcount.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index a1071cdefb5a..af9302141bcf 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -275,7 +275,7 @@ static void __percpu_ref_switch_mode(struct percpu_ref *ref,
wait_event_lock_irq(percpu_ref_switch_waitq, !data->confirm_switch,
percpu_ref_switch_lock);
- if (data->force_atomic || (ref->percpu_count_ptr & __PERCPU_REF_DEAD))
+ if (data->force_atomic || percpu_ref_is_dying(ref))
__percpu_ref_switch_to_atomic(ref, confirm_switch);
else
__percpu_ref_switch_to_percpu(ref);
@@ -385,7 +385,7 @@ void percpu_ref_kill_and_confirm(struct percpu_ref *ref,
spin_lock_irqsave(&percpu_ref_switch_lock, flags);
- WARN_ONCE(ref->percpu_count_ptr & __PERCPU_REF_DEAD,
+ WARN_ONCE(percpu_ref_is_dying(ref),
"%s called more than once on %ps!", __func__,
ref->data->release);
@@ -465,7 +465,7 @@ void percpu_ref_resurrect(struct percpu_ref *ref)
spin_lock_irqsave(&percpu_ref_switch_lock, flags);
- WARN_ON_ONCE(!(ref->percpu_count_ptr & __PERCPU_REF_DEAD));
+ WARN_ON_ONCE(!percpu_ref_is_dying(ref));
WARN_ON_ONCE(__ref_is_percpu(ref, &percpu_count));
ref->percpu_count_ptr &= ~__PERCPU_REF_DEAD;

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