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[Xen-changelog] [xen-unstable] Add xen_phys_start value in the crash inf

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Subject: [Xen-changelog] [xen-unstable] Add xen_phys_start value in the crash info note
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 30 May 2008 11:00:59 -0700
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1212159860 -3600
# Node ID 439a3e9459f22394088dc0187d2ccad394e14667
# Parent  c76e7f396c03cb65249487cf57fe30ed883e4b21
Add xen_phys_start value in the crash info note

This patch makes the vmcore utilities (ex. crash, makedumpfile) be
able to get the relocation address of the xen hypervisor from a
vmcore. It is necessary for the utilities to find the data of the
hypervisor structures.

Note that this patch does not raise any comptibility issue for the
utilities (which I know) nor the other components of xen.

Signed-off-by: Itsuro Oda <oda@xxxxxxxxxxxxx>
 xen/arch/x86/crash.c      |    1 +
 xen/include/xen/elfcore.h |    1 +
 2 files changed, 2 insertions(+)

diff -r c76e7f396c03 -r 439a3e9459f2 xen/arch/x86/crash.c
--- a/xen/arch/x86/crash.c      Fri May 30 15:09:40 2008 +0100
+++ b/xen/arch/x86/crash.c      Fri May 30 16:04:20 2008 +0100
@@ -102,6 +102,7 @@ void machine_crash_shutdown(void)
     info = kexec_crash_save_info();
+    info->xen_phys_start = xen_phys_start;
     info->dom0_pfn_to_mfn_frame_list_list =
diff -r c76e7f396c03 -r 439a3e9459f2 xen/include/xen/elfcore.h
--- a/xen/include/xen/elfcore.h Fri May 30 15:09:40 2008 +0100
+++ b/xen/include/xen/elfcore.h Fri May 30 16:04:20 2008 +0100
@@ -66,6 +66,7 @@ typedef struct {
     unsigned long xen_compile_time;
     unsigned long tainted;
 #if defined(__i386__) || defined(__x86_64__)
+    unsigned long xen_phys_start;
     unsigned long dom0_pfn_to_mfn_frame_list_list;
 #if defined(__ia64__)

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