Commit 97e5bf60 authored by Linus Torvalds's avatar Linus Torvalds

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
parents 3c856a31 c547addb
...@@ -14324,10 +14324,12 @@ PER-CPU MEMORY ALLOCATOR ...@@ -14324,10 +14324,12 @@ PER-CPU MEMORY ALLOCATOR
M: Dennis Zhou <dennis@kernel.org> M: Dennis Zhou <dennis@kernel.org>
M: Tejun Heo <tj@kernel.org> M: Tejun Heo <tj@kernel.org>
M: Christoph Lameter <cl@linux.com> M: Christoph Lameter <cl@linux.com>
L: linux-mm@kvack.org
S: Maintained S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu.git T: git git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu.git
F: arch/*/include/asm/percpu.h F: arch/*/include/asm/percpu.h
F: include/linux/percpu*.h F: include/linux/percpu*.h
F: lib/percpu*.c
F: mm/percpu*.c F: mm/percpu*.c
PER-TASK DELAY ACCOUNTING PER-TASK DELAY ACCOUNTING
......
...@@ -275,7 +275,7 @@ static void __percpu_ref_switch_mode(struct percpu_ref *ref, ...@@ -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, wait_event_lock_irq(percpu_ref_switch_waitq, !data->confirm_switch,
percpu_ref_switch_lock); 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); __percpu_ref_switch_to_atomic(ref, confirm_switch);
else else
__percpu_ref_switch_to_percpu(ref); __percpu_ref_switch_to_percpu(ref);
...@@ -385,7 +385,7 @@ void percpu_ref_kill_and_confirm(struct percpu_ref *ref, ...@@ -385,7 +385,7 @@ void percpu_ref_kill_and_confirm(struct percpu_ref *ref,
spin_lock_irqsave(&percpu_ref_switch_lock, flags); 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__, "%s called more than once on %ps!", __func__,
ref->data->release); ref->data->release);
...@@ -465,7 +465,7 @@ void percpu_ref_resurrect(struct percpu_ref *ref) ...@@ -465,7 +465,7 @@ void percpu_ref_resurrect(struct percpu_ref *ref)
spin_lock_irqsave(&percpu_ref_switch_lock, flags); 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)); WARN_ON_ONCE(__ref_is_percpu(ref, &percpu_count));
ref->percpu_count_ptr &= ~__PERCPU_REF_DEAD; ref->percpu_count_ptr &= ~__PERCPU_REF_DEAD;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment