chai wen 0a2e6af7be KVM: Drop FOLL_GET in GUP when doing async page fault ...

Page pinning is not mandatory in kvm async page fault processing since
after async page fault event is delivered to a guest it accesses page once
again and does its own GUP.  Drop the FOLL_GET flag in GUP in async_pf
code, and do some simplifying in check/clear processing.

Suggested-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Gu zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: chai wen <chaiw.fnst@cn.fujitsu.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
(cherry picked from commit f2e106692d)
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

2014-10-02 17:18:12 +02:00

..

events

KVM: Drop FOLL_GET in GUP when doing async page fault

2014-10-02 17:18:12 +02:00

define_trace.h

treewide: fix comment/printk/variable typos

2012-09-01 10:33:05 -07:00

ftrace.h

tracing: Remove obsolete macro guard _TRACE_PROFILE_INIT

2013-04-12 23:02:33 -04:00

syscall.h

tracing: Cleanup unnecessary function declarations

2012-10-31 16:45:34 -04:00