Re: [Xen-devel] [PATCH 0/2] MMIO emulation fixes

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: 10 August 2018 13:02
> To: Paul Durrant <Paul.Durrant@xxxxxxxxxx>
> Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
> Subject: Re: [Xen-devel] [PATCH 0/2] MMIO emulation fixes
> 
> >>> On 10.08.18 at 12:37, <paul.durrant@xxxxxxxxxx> wrote:
> > These are probably both candidates for back-port.
> >
> > Paul Durrant (2):
> >   x86/hvm/ioreq: MMIO range checking completely ignores direction flag
> >   x86/hvm/emulate: make sure rep I/O emulation does not cross GFN
> >     boundaries
> >
> >  xen/arch/x86/hvm/emulate.c | 17 ++++++++++++++++-
> >  xen/arch/x86/hvm/ioreq.c   | 15 ++++++++++-----
> >  2 files changed, 26 insertions(+), 6 deletions(-)
> 
> I take it this isn't yet what we've talked about yesterday on irc?
> 

This is the band-aid fix. I can now show correct handling of a rep mov walking 
off MMIO into RAM.

  Paul

> Jan
> 


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