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Date: Wed, 2 Oct 2013 16:27:58 +0200 From: Jan Kara <jack@...e.cz> To: LKML <linux-kernel@...r.kernel.org> Cc: linux-mm@...ck.org, Jan Kara <jack@...e.cz>, Gleb Natapov <gleb@...hat.com>, Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org Subject: [PATCH 17/26] kvm: Use get_user_pages_unlocked() in async_pf_execute() CC: Gleb Natapov <gleb@...hat.com> CC: Paolo Bonzini <pbonzini@...hat.com> CC: kvm@...r.kernel.org Signed-off-by: Jan Kara <jack@...e.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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