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Re: [Xen-devel] [PATCH 1/2] HVM: sanitize DOMCTL_gethvmcontext_partial handling

To: Jan Beulich <JBeulich@xxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Wed, 31 May 2017 13:11:20 +0100
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 31 May 2017 12:11:26 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Wed, May 31, 2017 at 01:24:52AM -0600, Jan Beulich wrote:
> Have the caller indicate its buffer size, provide a means to query the
> needed size, don't ignore the upper halves of type code and instance,
> and don't copy partial data.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH 0/2] hvm/save: cleanup
  - From: Jan Beulich
- [Xen-devel] [PATCH 1/2] HVM: sanitize DOMCTL_gethvmcontext_partial handling
  - From: Jan Beulich

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