From 6a2c6a68423475cd89a8cc9978554880e5a21b7d Mon Sep 17 00:00:00 2001 From: Haozhong Zhang Date: Fri, 7 Apr 2017 15:56:09 +0200 Subject: [PATCH] x86/mce: always re-initialize 'severity_cpu' in mcheck_cmn_handler() mcheck_cmn_handler() does not always set 'severity_cpu' to override its value taken from previous rounds of MC handling, which will interfere the current round of MC handling. Always re-initialize it to clear the historical value. Signed-off-by: Haozhong Zhang Reviewed-by: Jan Beulich --- xen/arch/x86/cpu/mcheck/mce.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/cpu/mcheck/mce.c b/xen/arch/x86/cpu/mcheck/mce.c index eb85257d89..51a10ed11e 100644 --- a/xen/arch/x86/cpu/mcheck/mce.c +++ b/xen/arch/x86/cpu/mcheck/mce.c @@ -526,6 +526,7 @@ void mcheck_cmn_handler(const struct cpu_user_regs *regs) mc_panic(ebuf); } atomic_set(&found_error, 0); + atomic_set(&severity_cpu, -1); } mce_barrier_exit(&mce_trap_bar); -- 2.30.2