>>> On 20.03.17 at 14:42, wrote:
>> From: Xen-devel [mailto:xen-devel-boun...@lists.xen.org] On Behalf Of Paul
>> Durrant
>> Sent: 20 March 2017 11:50
>> > From: Jan Beulich [mailto:jbeul...@suse.com]
>> > Sent: 20 March 2017 11:36
>> > >>> On 17.03.17 at 10:57, wrote:
>> > > --- a/xen/include/a
> -Original Message-
> From: Xen-devel [mailto:xen-devel-boun...@lists.xen.org] On Behalf Of
> Paul Durrant
> Sent: 20 March 2017 11:50
> To: 'Jan Beulich'
> Cc: Andrew Cooper ; xen-
> de...@lists.xenproject.org
> Subject: Re: [Xen-devel] [PATCH 2/7] x
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 20 March 2017 11:36
> To: Paul Durrant
> Cc: Andrew Cooper ; xen-
> de...@lists.xenproject.org
> Subject: Re: [PATCH 2/7] x86/viridian: fix xen-hvmcrash when vp_assist page
> is present
>
> >>> On 17.03.17 at 10:5
>>> On 17.03.17 at 10:57, wrote:
> @@ -288,6 +304,14 @@ static void initialize_vp_assist(struct vcpu *v)
> * enlightenment.
> */
>
> +if ( v->arch.hvm_vcpu.viridian.vp_assist.va )
> +{
> +if ( v->arch.hvm_vcpu.viridian.vp_assist.gmfn == gmfn )
> +return;
Currently use of xen-hvmcrash will cause an immediate domain_crash() in
initialize_vp_assist() because it is called from viridian_load_vcpu_ctxt()
without having first cleared any previous mapping.
This patch makes initialize_vp_assist() responsible for clearing previous
mappings, if necessary.
S
