From: Paul Durrant Date: Fri, 10 Aug 2018 15:43:42 +0000 (+0100) Subject: x86/viridian: set shutdown_code in response to CrashNotify X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~3315 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=c217412e9d4df1a8b10e0cbdae5c8a24d83f1cdd;p=xen.git x86/viridian: set shutdown_code in response to CrashNotify When Windows writes the CrashNotify bit in the CRASH_CTL MSR then we know it is crashing, so set the domain shutdown code appropriately. Signed-off-by: Paul Durrant Acked-by: Andrew Cooper --- diff --git a/xen/arch/x86/hvm/viridian.c b/xen/arch/x86/hvm/viridian.c index e84c4f4ab5..a23d0876c4 100644 --- a/xen/arch/x86/hvm/viridian.c +++ b/xen/arch/x86/hvm/viridian.c @@ -645,6 +645,10 @@ int wrmsr_viridian_regs(uint32_t idx, uint64_t val) if ( !ctl.u.CrashNotify ) break; + spin_lock(&d->shutdown_lock); + d->shutdown_code = SHUTDOWN_crash; + spin_unlock(&d->shutdown_lock); + gprintk(XENLOG_WARNING, "VIRIDIAN CRASH: %lx %lx %lx %lx %lx\n", v->arch.hvm.viridian.crash_param[0], v->arch.hvm.viridian.crash_param[1],