From: Yang Zhang <yang.z.zhang@intel.com>
To: xen-devel@lists.xen.org
Cc: Yang Zhang <yang.z.zhang@Intel.com>,
eddie.dong@intel.com, JBeulich@suse.com
Subject: [PATCH 1/3] Nested VMX: update nested paging mode when vmswitch is in progress
Date: Thu, 12 Dec 2013 10:06:42 +0800 [thread overview]
Message-ID: <1386814004-5574-2-git-send-email-yang.z.zhang@intel.com> (raw)
In-Reply-To: <1386814004-5574-1-git-send-email-yang.z.zhang@intel.com>
From: Yang Zhang <yang.z.zhang@Intel.com>
virtual vmentry will change paging related stucture, so corrensponding
nested mode need to be updated which is missing currently.
Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
---
xen/arch/x86/hvm/hvm.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
This patch fixed RHEL6 guest installation problem with L1 hyper-v.
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 69f7e74..1f62e00 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1925,7 +1925,7 @@ int hvm_set_cr0(unsigned long value)
hvm_update_cr(v, 0, value);
if ( (value ^ old_value) & X86_CR0_PG ) {
- if ( !nestedhvm_vmswitch_in_progress(v) && nestedhvm_vcpu_in_guestmode(v) )
+ if ( nestedhvm_vcpu_in_guestmode(v) )
paging_update_nestedmode(v);
else
paging_update_paging_modes(v);
@@ -2014,7 +2014,7 @@ int hvm_set_cr4(unsigned long value)
(X86_CR4_PSE | X86_CR4_PGE | X86_CR4_PAE | X86_CR4_SMEP)) ||
(!(value & X86_CR4_PCIDE) && (old_cr & X86_CR4_PCIDE)) )
{
- if ( !nestedhvm_vmswitch_in_progress(v) && nestedhvm_vcpu_in_guestmode(v) )
+ if ( nestedhvm_vcpu_in_guestmode(v) )
paging_update_nestedmode(v);
else
paging_update_paging_modes(v);
--
1.7.1
next prev parent reply other threads:[~2013-12-12 2:06 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-12 2:06 [PATCH 0/3] some nested vmx fixing to hyper-v Yang Zhang
2013-12-12 2:06 ` Yang Zhang [this message]
2013-12-12 11:04 ` [PATCH 1/3] Nested VMX: update nested paging mode when vmswitch is in progress Egger, Christoph
2013-12-13 3:30 ` Zhang, Yang Z
2013-12-17 1:10 ` Zhang, Yang Z
2013-12-18 8:58 ` Dong, Eddie
2013-12-18 10:08 ` Jan Beulich
2013-12-18 10:24 ` Zhang, Yang Z
2013-12-18 12:05 ` Egger, Christoph
2013-12-23 1:34 ` Zhang, Yang Z
2013-12-24 11:35 ` Zhang, Yang Z
2014-01-14 2:33 ` Zhang, Yang Z
2014-01-14 7:29 ` Jan Beulich
2014-01-14 7:38 ` Zhang, Yang Z
2014-01-20 9:07 ` Egger, Christoph
2014-01-21 8:49 ` Zhang, Yang Z
2014-01-21 9:46 ` Egger, Christoph
2013-12-18 15:56 ` Dong, Eddie
2013-12-12 2:06 ` [PATCH 2/3] VMX, apicv: Set "NMI-window exiting" for NMI Yang Zhang
2014-01-08 1:23 ` Zhang, Yang Z
2014-01-08 1:28 ` Andrew Cooper
2014-01-08 1:36 ` Zhang, Yang Z
2014-01-08 1:41 ` Zhang, Yang Z
2013-12-12 2:06 ` [PATCH 3/3] Nested VMX: Setup the virtual NMI exiting info Yang Zhang
2013-12-18 9:00 ` Dong, Eddie
2013-12-18 5:39 ` [PATCH 0/3] some nested vmx fixing to hyper-v Zhang, Yang Z
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