[Xen-changelog] [xen-unstable] x86_64: Record entry vector for double faults.

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
# Date 1337930485 -3600
# Node ID 53e0571f94e4bcc45270dcbd444c7c91166cef6d
# Parent  12f338152c48d979ae8b3c41ae78fbf091d4d0cd
x86_64: Record entry vector for double faults.

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Committed-by: Keir Fraser <keir@xxxxxxx>
---


diff -r 12f338152c48 -r 53e0571f94e4 xen/arch/x86/x86_64/entry.S
--- a/xen/arch/x86/x86_64/entry.S       Fri May 25 08:20:14 2012 +0100
+++ b/xen/arch/x86/x86_64/entry.S       Fri May 25 08:21:25 2012 +0100
@@ -595,6 +595,7 @@ ENTRY(spurious_interrupt_bug)
         jmp   handle_exception
 
 ENTRY(double_fault)
+        movl  $TRAP_double_fault,4(%rsp)
         SAVE_ALL
         movq  %rsp,%rdi
         call  do_double_fault

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