Messages in this thread | | | Date | Wed, 2 Oct 2013 17:59:31 +0300 | From | Gleb Natapov <> | Subject | Re: [PATCH 17/26] kvm: Use get_user_pages_unlocked() in async_pf_execute() |
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Looks straightforward.
On Wed, Oct 02, 2013 at 04:27:58PM +0200, Jan Kara wrote: > CC: Gleb Natapov <gleb@redhat.com> > CC: Paolo Bonzini <pbonzini@redhat.com> > CC: kvm@vger.kernel.org > Signed-off-by: Jan Kara <jack@suse.cz> > --- > virt/kvm/async_pf.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c > index 8a39dda7a325..8d4b39a4bc12 100644 > --- a/virt/kvm/async_pf.c > +++ b/virt/kvm/async_pf.c > @@ -67,9 +67,7 @@ static void async_pf_execute(struct work_struct *work) > might_sleep(); > > use_mm(mm); > - down_read(&mm->mmap_sem); > - get_user_pages(current, mm, addr, 1, 1, 0, &page, NULL); > - up_read(&mm->mmap_sem); > + get_user_pages_unlocked(current, mm, addr, 1, 1, 0, &page); > unuse_mm(mm); > > spin_lock(&vcpu->async_pf.lock); > -- > 1.8.1.4
-- Gleb.
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