From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Mon, 14 Nov 2011 09:22:28 +0000 (+0900)
Subject: KVM: MMU: Split gfn_to_rmap() into two functions
X-Git-Tag: v3.3-rc1~131^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b9b1492364758de82c19c36f07baa9ae162c7e5;p=pandora-kernel.git

KVM: MMU: Split gfn_to_rmap() into two functions

rmap_write_protect() calls gfn_to_rmap() for each level with gfn fixed.
This results in calling gfn_to_memslot() repeatedly with that gfn.

This patch introduces __gfn_to_rmap() which takes the slot as an
argument to avoid this.

This is also needed for the following dirty logging optimization.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
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