From: Keir Fraser <keir@xensource.com>
Date: Tue, 2 Oct 2007 08:35:37 +0000 (+0100)
Subject: hvm: Fix HVMOP_flush_tlbs to flush paging-mode state.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14929^2~11
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success//%22http:/www.example.com/cgi/success/?a=commitdiff_plain;h=a7d88e65676dc29ac7aac07b7dd8bb77e556a4be;p=xen.git

hvm: Fix HVMOP_flush_tlbs to flush paging-mode state.
From: Peter Johnston <pjohnston@xensource.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
---

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 3834a86028..9b45e5195c 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1657,7 +1657,15 @@ static int hvmop_set_pci_link_route(
 
 static int hvmop_flush_tlb_all(void)
 {
+    struct vcpu *v;
+
+    /* Flush paging-mode soft state (e.g., va->gfn cache; PAE PDPE cache). */
+    for_each_vcpu ( current->domain, v )
+        paging_update_cr3(v);
+
+    /* Flush all dirty TLBs. */
     flush_tlb_mask(current->domain->domain_dirty_cpumask);
+
     return 0;
 }