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authorYang Zhang <yang.z.zhang@Intel.com>2013-08-07 16:55:37 +0200
committerJan Beulich <jbeulich@suse.com>2013-08-07 16:55:37 +0200
commitc21c2c7617a170f9161652554db337cda5517e14 (patch)
tree59ca369b712a1380b553489ab5a3a5436f50501c
parent014f835efaf9caa9a112b7f7a7ffad6dd682c77d (diff)
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Nested VMX: Flush TLBs and Caches if paging mode changed
According to SDM, if paging mode is changed, then whole TLBs and caches will be flushed. This is missed in nested handle logic. Also this fixed the issue that 64 bits windows cannot boot up on top of L1 kvm. Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com> Acked-by: Keir Fraser <keir@xen.org> master commit: e1ab5c77b44b7bd835a2c032fa4963b36545fdb3 master date: 2013-08-06 17:22:35 +0200
-rw-r--r--xen/arch/x86/mm/paging.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/xen/arch/x86/mm/paging.c b/xen/arch/x86/mm/paging.c
index cd08b2a204..4ba7669a34 100644
--- a/xen/arch/x86/mm/paging.c
+++ b/xen/arch/x86/mm/paging.c
@@ -709,6 +709,7 @@ void paging_update_nestedmode(struct vcpu *v)
else
/* TODO: shadow-on-shadow */
v->arch.paging.nestedmode = NULL;
+ hvm_asid_flush_vcpu(v);
}
void paging_write_p2m_entry(struct p2m_domain *p2m, unsigned long gfn,