Messages in this thread Patch in this message | | | Date | Mon, 28 Apr 2014 17:03:00 +0200 | From | Oleg Nesterov <> | Subject | [PATCH 3/2] KVM: async_pf: change async_pf_execute() to use get_user_pages(tsk => NULL) |
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async_pf_execute() passes tsk == current to gup(), this is doesn't hurt but unnecessary and misleading. "tsk" is only used to account the number of faults and current is the random workqueue thread.
Signed-off-by: Oleg Nesterov <oleg@redhat.com> --- virt/kvm/async_pf.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c index 0ced4f3..62f4223 100644 --- a/virt/kvm/async_pf.c +++ b/virt/kvm/async_pf.c @@ -81,7 +81,7 @@ static void async_pf_execute(struct work_struct *work) might_sleep(); down_read(&mm->mmap_sem); - get_user_pages(current, mm, addr, 1, 1, 0, NULL, NULL); + get_user_pages(NULL, mm, addr, 1, 1, 0, NULL, NULL); up_read(&mm->mmap_sem); kvm_async_page_present_sync(vcpu, apf); -- 1.5.5.1
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