[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-devel] [PATCH 1/2] Xen/vMCE: bugfix of vmce injection

>From 061ec508b405f84e2f70c80b02de63061c49648d Mon Sep 17 00:00:00 2001
From: Liu Jinsong <jinsong.liu@xxxxxxxxx>
Date: Sat, 27 Apr 2013 21:46:35 +0800
Subject: [PATCH 1/2] Xen/vMCE: bugfix of vmce injection

Fix vmce injection bug rooted from uint_16 to int parameter,
resulting in dom0 crash when inject vmce to dom0:
(XEN) inject vMCE to DOM0 failed
(XEN) domain_crash called from mcaction.c:133
(XEN) Domain 0 reported crashed by domain 32767 on cpu#21:
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Resetting with ACPI MEMORY or I/O RESET_REG.

Signed-off-by: Liu Jinsong <jinsong.liu@xxxxxxxxx>
 xen/arch/x86/cpu/mcheck/mcaction.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/xen/arch/x86/cpu/mcheck/mcaction.c 
index 5627192..0ac5b45 100644
--- a/xen/arch/x86/cpu/mcheck/mcaction.c
+++ b/xen/arch/x86/cpu/mcheck/mcaction.c
@@ -45,7 +45,7 @@ mc_memerr_dhandler(struct mca_binfo *binfo,
     struct domain *d;
     unsigned long mfn, gfn;
     uint32_t status;
-    uint16_t vmce_vcpuid;
+    int vmce_vcpuid;
     if (!mc_check_addr(bank->mc_status, bank->mc_misc, MC_ADDR_PHYSICAL)) {

Attachment: 0001-Xen-vMCE-bugfix-of-vmce-injection.patch
Description: 0001-Xen-vMCE-bugfix-of-vmce-injection.patch

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.