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authorPaolo Bonzini <pbonzini@redhat.com>2020-04-21 09:37:13 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2020-04-21 09:37:13 -0400
commit3bda03865fcaf5e30248bf4b7b37a81f6966caf9 (patch)
tree40e1edb696326bfbd028afc271e7272d87b6b506 /lib/percpu-refcount.c
parent7f4b5cde24094127ace370c3c6b82fef65d9f71f (diff)
parent2a173ec993baa6a97e7b0fb89240200a88d90746 (diff)
downloadlinux-next-3bda03865fcaf5e30248bf4b7b37a81f6966caf9.tar.gz
linux-next-3bda03865fcaf5e30248bf4b7b37a81f6966caf9.zip
Merge tag 'kvm-s390-master-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master
KVM: s390: Fix for 5.7 and maintainer update - Silence false positive lockdep warning - add Claudio as reviewer
Diffstat (limited to 'lib/percpu-refcount.c')
-rw-r--r--lib/percpu-refcount.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index 4f6c6ebbbbde..8d092609928e 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -50,9 +50,10 @@ static unsigned long __percpu *percpu_count_ptr(struct percpu_ref *ref)
* @flags: PERCPU_REF_INIT_* flags
* @gfp: allocation mask to use
*
- * Initializes @ref. If @flags is zero, @ref starts in percpu mode with a
- * refcount of 1; analagous to atomic_long_set(ref, 1). See the
- * definitions of PERCPU_REF_INIT_* flags for flag behaviors.
+ * Initializes @ref. @ref starts out in percpu mode with a refcount of 1 unless
+ * @flags contains PERCPU_REF_INIT_ATOMIC or PERCPU_REF_INIT_DEAD. These flags
+ * change the start state to atomic with the latter setting the initial refcount
+ * to 0. See the definitions of PERCPU_REF_INIT_* flags for flag behaviors.
*
* Note that @release must not sleep - it may potentially be called from RCU
* callback context by percpu_ref_kill().