From: Xudong Hao <xudong.hao@intel.com>
Date: Thu, 7 Jun 2012 10:26:07 +0000 (+0800)
Subject: KVM: x86: change PT_FIRST_AVAIL_BITS_SHIFT to avoid conflict with EPT Dirty bit
X-Git-Tag: v3.6-rc1~124^2~69
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=00763e41138267a307531397f9745835aecb8c7b;p=platform%2Fkernel%2Flinux-exynos.git

KVM: x86: change PT_FIRST_AVAIL_BITS_SHIFT to avoid conflict with EPT Dirty bit

EPT Dirty bit use bit 9 as Intel SDM definition, to avoid conflict, change
PT_FIRST_AVAIL_BITS_SHIFT to 10.

Signed-off-by: Xudong Hao <xudong.hao@intel.com>
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index b32a11d..3b53d9e 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -90,7 +90,7 @@ module_param(dbg, bool, 0644);
 
 #define PTE_PREFETCH_NUM		8
 
-#define PT_FIRST_AVAIL_BITS_SHIFT 9
+#define PT_FIRST_AVAIL_BITS_SHIFT 10
 #define PT64_SECOND_AVAIL_BITS_SHIFT 52
 
 #define PT64_LEVEL_BITS 9