diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-03-18 10:37:43 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-18 10:37:43 +0100 |
commit | 04dfcfcb54b073133bcca2c8f25b55e904558931 (patch) | |
tree | 123d13f9e242751f629924e92fcb297dc669d767 /arch/x86/mm/kmmio.c | |
parent | 0bd5c4f7c874cf48ff7904dcf8a59988c8fea0e8 (diff) | |
parent | ee568b25ee9e160b32d1aef73d8b2ee9c05d34db (diff) |
Merge branch 'linus' into core/iommu
Diffstat (limited to 'arch/x86/mm/kmmio.c')
-rw-r--r-- | arch/x86/mm/kmmio.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c index 9f205030d9a..6a518dd08a3 100644 --- a/arch/x86/mm/kmmio.c +++ b/arch/x86/mm/kmmio.c @@ -451,23 +451,24 @@ static void rcu_free_kmmio_fault_pages(struct rcu_head *head) static void remove_kmmio_fault_pages(struct rcu_head *head) { - struct kmmio_delayed_release *dr = container_of( - head, - struct kmmio_delayed_release, - rcu); + struct kmmio_delayed_release *dr = + container_of(head, struct kmmio_delayed_release, rcu); struct kmmio_fault_page *p = dr->release_list; struct kmmio_fault_page **prevp = &dr->release_list; unsigned long flags; + spin_lock_irqsave(&kmmio_lock, flags); while (p) { - if (!p->count) + if (!p->count) { list_del_rcu(&p->list); - else + prevp = &p->release_next; + } else { *prevp = p->release_next; - prevp = &p->release_next; + } p = p->release_next; } spin_unlock_irqrestore(&kmmio_lock, flags); + /* This is the real RCU destroy call. */ call_rcu(&dr->rcu, rcu_free_kmmio_fault_pages); } |