From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Tue, 16 Sep 2008 23:54:46 +0000 (-0300)
Subject: KVM: opencode gfn_to_page in kvm_vm_fault
X-Git-Tag: v2.6.28-rc1~269^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=777b3f49d297e387866604093b635e5bc9b9d2a6;p=pandora-kernel.git

KVM: opencode gfn_to_page in kvm_vm_fault

kvm_vm_fault is invoked with mmap_sem held in read mode. Since gfn_to_page
will be converted to get_user_pages_fast, which requires this lock NOT
to be held, switch to opencoded get_user_pages.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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