From: Marcelo Tosatti <mtosatti@redhat.com>
To: Avi Kivity <avi@qumranet.com>
Cc: kvm@vger.kernel.org
Subject: [patch 13/13] KVM: MMU: ignore multiroot when unsyncing global pages
Date: Sat, 06 Sep 2008 15:48:35 -0300 [thread overview]
Message-ID: <20080906192431.546165893@localhost.localdomain> (raw)
In-Reply-To: 20080906184822.560099087@localhost.localdomain
[-- Attachment #1: kvm-oos-global-share --]
[-- Type: text/plain, Size: 556 bytes --]
Since global pages are not linked in terms of TLB flushing to any root.
Index: kvm/arch/x86/kvm/mmu.c
===================================================================
--- kvm.orig/arch/x86/kvm/mmu.c
+++ kvm/arch/x86/kvm/mmu.c
@@ -1429,7 +1429,7 @@ static int mmu_need_write_protect(struct
return 1;
if (shadow->role.level != PT_PAGE_TABLE_LEVEL)
return 1;
- if (shadow->root_gfn == -1)
+ if (shadow->root_gfn == -1 && !kvm_page_global(shadow))
return 1;
if (!kvm_page_unsync(shadow))
return kvm_unsync_page(vcpu, shadow);
--
next prev parent reply other threads:[~2008-09-06 19:27 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-06 18:48 [patch 00/13] RFC: out of sync shadow Marcelo Tosatti
2008-09-06 18:48 ` [patch 01/13] x86/mm: get_user_pages_fast_atomic Marcelo Tosatti
2008-09-07 8:42 ` Avi Kivity
2008-09-08 6:10 ` Marcelo Tosatti
2008-09-08 14:20 ` Avi Kivity
2008-09-06 18:48 ` [patch 02/13] KVM: MMU: switch to get_user_pages_fast Marcelo Tosatti
2008-09-07 8:45 ` Avi Kivity
2008-09-07 20:44 ` Marcelo Tosatti
2008-09-08 14:53 ` Avi Kivity
2008-09-09 12:21 ` Andrea Arcangeli
2008-09-09 13:57 ` Avi Kivity
2008-09-06 18:48 ` [patch 03/13] KVM: MMU: gfn_to_page_atomic Marcelo Tosatti
2008-09-06 18:48 ` [patch 04/13] KVM: MMU: switch prefetch_page to gfn_to_page_atomic Marcelo Tosatti
2008-09-06 18:48 ` [patch 05/13] KVM: MMU: do not write-protect large mappings Marcelo Tosatti
2008-09-07 9:04 ` Avi Kivity
2008-09-07 20:54 ` Marcelo Tosatti
2008-09-06 18:48 ` [patch 06/13] KVM: MMU: global page keeping Marcelo Tosatti
2008-09-07 9:16 ` Avi Kivity
2008-09-06 18:48 ` [patch 07/13] KVM: MMU: mode specific sync_page Marcelo Tosatti
2008-09-07 9:52 ` Avi Kivity
2008-09-08 6:03 ` Marcelo Tosatti
2008-09-08 9:50 ` Avi Kivity
2008-09-06 18:48 ` [patch 08/13] KVM: MMU: record guest root level on struct guest_walker Marcelo Tosatti
2008-09-06 18:48 ` [patch 09/13] KVM: MMU: out of sync shadow core Marcelo Tosatti
2008-09-07 11:01 ` Avi Kivity
2008-09-08 7:19 ` Marcelo Tosatti
2008-09-08 14:51 ` Avi Kivity
2008-09-11 8:19 ` Marcelo Tosatti
2008-09-11 13:15 ` Marcelo Tosatti
2008-09-06 18:48 ` [patch 10/13] KVM: MMU: sync roots on mmu reload Marcelo Tosatti
2008-09-06 18:48 ` [patch 11/13] KVM: MMU: sync global pages on cr0/cr4 writes Marcelo Tosatti
2008-09-06 18:48 ` [patch 12/13] KVM: x86: trap invlpg Marcelo Tosatti
2008-09-07 11:14 ` Avi Kivity
2008-09-06 18:48 ` Marcelo Tosatti [this message]
2008-09-07 11:22 ` [patch 00/13] RFC: out of sync shadow Avi Kivity
2008-09-08 7:23 ` Marcelo Tosatti
2008-09-08 14:56 ` Avi Kivity
2008-09-12 4:05 ` David S. Ahern
2008-09-12 11:51 ` Marcelo Tosatti
2008-09-12 15:12 ` David S. Ahern
2008-09-12 18:09 ` Marcelo Tosatti
2008-09-12 18:19 ` David S. Ahern
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