xen/p2m: avoid unneccesary TLB flush in m2p_remove_override()
authorDavid Vrabel <david.vrabel@citrix.com>
Fri, 19 Jul 2013 14:51:59 +0000 (15:51 +0100)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Fri, 9 Aug 2013 15:06:44 +0000 (11:06 -0400)
commit65a45fa2f640f72757ef00f2bc83f9654d65a62b
treef72ac647de00fcd4cb119816c803a31d05cae846
parent3eeef8f72a9365fe20f2c9d84b0afe60a20788cd
xen/p2m: avoid unneccesary TLB flush in m2p_remove_override()

In m2p_remove_override() when removing the grant map from the kernel
mapping and replacing with a mapping to the original page, the grant
unmap will already have flushed the TLB and it is not necessary to do
it again after updating the mapping.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
arch/x86/xen/p2m.c