o: 'Jan Beulich'
> >> Cc: Andrew Cooper ; Julien Grall
> >> ; xen-devel
> >> Subject: Re: [Xen-devel] [PATCH] x86/HVM: fix interaction between
> internal
> >> and extern emulation
> >>
> >> > -Original Message-
>
Julien Grall
>> ; xen-devel
>> Subject: Re: [Xen-devel] [PATCH] x86/HVM: fix interaction between internal
>> and extern emulation
>>
>> > -Original Message-
>> > From: Jan Beulich [mailto:jbeul...@suse.com]
>> > Sent: 28 November 2017 11:26
&g
> -Original Message-
> From: Xen-devel [mailto:xen-devel-boun...@lists.xenproject.org] On Behalf
> Of Paul Durrant
> Sent: 28 November 2017 11:31
> To: 'Jan Beulich'
> Cc: Andrew Cooper ; Julien Grall
> ; xen-devel
> Subject: Re: [Xen-devel] [PATCH
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 28 November 2017 11:26
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; xen-devel de...@lists.xenproject.org>
> Subject: RE: [PATCH] x86/HVM: fix interaction between internal and extern
> emulation
>
> >
>>> On 28.11.17 at 12:06, wrote:
> Yes, it appears that mmio_retry is only set when the underlying emulation
> returned X86EMUL_OKAY but not all reps were completed. If the underlying
> emulation did not return X86EMUL_RETRY then I can't figure out why
> vio->io_completion should need to be set
> -Original Message-
> From: Xen-devel [mailto:xen-devel-boun...@lists.xenproject.org] On Behalf
> Of Paul Durrant
> Sent: 28 November 2017 11:01
> To: 'Jan Beulich'
> Cc: Andrew Cooper ; Julien Grall
> ; xen-devel
> Subject: Re: [Xen-devel] [PATCH
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 28 November 2017 10:40
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; xen-devel de...@lists.xenproject.org>
> Subject: RE: [PATCH] x86/HVM: fix interaction between internal and extern
> emulation
>
> >
>>> On 28.11.17 at 11:22, wrote:
> It would definitely be good to only reset io_completion when it is clear
> that handle_hvm_io_completion() is not going to be called (i.e. for
> internally handled I/O)
Where would you suggest to do that? These two ...
> and perhaps even add ASSERTs in _hvm_e
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 28 November 2017 10:17
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; xen-devel de...@lists.xenproject.org>
> Subject: RE: [PATCH] x86/HVM: fix interaction between internal and extern
> emulation
>
> >
>>> On 28.11.17 at 11:05, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 28 November 2017 10:02
>> >>> On 28.11.17 at 10:49, wrote:
>> >> From: Jan Beulich [mailto:jbeul...@suse.com]
>> >> Sent: 27 November 2017 08:29
>> >> handle_hvm_io_completion() is being involved in resuming
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 28 November 2017 10:02
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; xen-devel de...@lists.xenproject.org>
> Subject: RE: [PATCH] x86/HVM: fix interaction between internal and extern
> emulation
>
> >
>>> On 28.11.17 at 10:49, wrote:
>> -Original Message-
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 27 November 2017 08:29
>> To: xen-devel
>> Cc: Julien Grall ; Andrew Cooper
>> ; Paul Durrant
>> Subject: [PATCH] x86/HVM: fix interaction between internal and extern
>> emula
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 27 November 2017 08:29
> To: xen-devel
> Cc: Julien Grall ; Andrew Cooper
> ; Paul Durrant
> Subject: [PATCH] x86/HVM: fix interaction between internal and extern
> emulation
>
> handle_hvm_io_completion() is bei
On 27/11/17 08:28, Jan Beulich wrote:
> handle_hvm_io_completion() is being involved in resuming from requests
> sent to a device model only, while re-invocation of internally handled
> I/O which couldn't be handled in one go simply re-starts the affected
> instruction. When an internally handled s
handle_hvm_io_completion() is being involved in resuming from requests
sent to a device model only, while re-invocation of internally handled
I/O which couldn't be handled in one go simply re-starts the affected
instruction. When an internally handled split request is being followed
by one sent to
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