[Xen-changelog] [xen master] VMX: allow vmx_update_debug_state to be called when v!=current

[patchbot@xxxxxxx]

commit de5ce1e3921e86b7b8176d85eaa3263aadba637d
Author:     George Dunlap <george.dunlap@xxxxxxxxxxxxx>
AuthorDate: Wed Nov 13 09:25:36 2013 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Nov 13 09:25:36 2013 +0100

    VMX: allow vmx_update_debug_state to be called when v!=current
    
    Removing the assert allows the PVH code to call this during vmcs
    construction in a later patch, making the code more robust by removing
    duplicate code.
    
    Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
    Acked-by: Tim Deegan <tim@xxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Keir Fraser <keir@xxxxxxx>
    Acked-by: Eddie Dong <eddie.dong@xxxxxxxxx>
---
 xen/arch/x86/hvm/vmx/vmx.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
index 8e418c5..8d451d4 100644
--- a/xen/arch/x86/hvm/vmx/vmx.c
+++ b/xen/arch/x86/hvm/vmx/vmx.c
@@ -1125,8 +1125,6 @@ void vmx_update_debug_state(struct vcpu *v)
 {
     unsigned long mask;
 
-    ASSERT(v == current);
-
     mask = 1u << TRAP_int3;
     if ( !cpu_has_monitor_trap_flag )
         mask |= 1u << TRAP_debug;
@@ -1135,7 +1133,10 @@ void vmx_update_debug_state(struct vcpu *v)
         v->arch.hvm_vmx.exception_bitmap |= mask;
     else
         v->arch.hvm_vmx.exception_bitmap &= ~mask;
+
+    vmx_vmcs_enter(v);
     vmx_update_exception_bitmap(v);
+    vmx_vmcs_exit(v);
 }
 
 static void vmx_update_guest_cr(struct vcpu *v, unsigned int cr)
--
generated by git-patchbot for /home/xen/git/xen.git#master

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