>>> On 01.04.16 at 16:58, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 01 April 2016 15:40
>> >>> On 01.04.16 at 16:27, wrote:
>> >> From: Paul Durrant
>> >> Sent: 01 April 2016 15:20
>> > I pulled staging and I still see (starting at line 300 in vmsi.c)
>> >
>> > /* Exit t
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 01 April 2016 15:40
> To: Paul Durrant
> Cc: Andrew Cooper; Anthony Perard; Stefano Stabellini; xen-devel; Keir
> (Xen.org)
> Subject: RE: [PATCH RFC] x86/vMSI-X: avoid missing first unmask of vectors
>
> >>> On 01
>>> On 01.04.16 at 16:27, wrote:
>> -Original Message-
>> From: Paul Durrant
>> Sent: 01 April 2016 15:20
>> To: 'Jan Beulich'
>> Cc: Andrew Cooper; Anthony Perard; Stefano Stabellini; xen-devel; Keir
>> (Xen.org)
>> Subject: RE: [PATCH RFC] x86/vMSI-X: avoid missing first unmask of vecto
>>> On 01.04.16 at 16:19, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 01 April 2016 15:18
>> Are you looking at some old code base? There's no entry->flags
>> manipulation. We call guest_mask_msi_irq(), and for that we need
>> to know the IRQ descriptor, which in turn requires
> -Original Message-
> From: Paul Durrant
> Sent: 01 April 2016 15:20
> To: 'Jan Beulich'
> Cc: Andrew Cooper; Anthony Perard; Stefano Stabellini; xen-devel; Keir
> (Xen.org)
> Subject: RE: [PATCH RFC] x86/vMSI-X: avoid missing first unmask of vectors
>
> > -Original Message-
> > F
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 01 April 2016 15:18
> To: Paul Durrant
> Cc: Andrew Cooper; Anthony Perard; Stefano Stabellini; xen-devel; Keir
> (Xen.org)
> Subject: RE: [PATCH RFC] x86/vMSI-X: avoid missing first unmask of vectors
>
> >>> On 01
>>> On 01.04.16 at 15:54, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 01 April 2016 14:43
>> >>> On 01.04.16 at 15:01, wrote:
>> >> From: Jan Beulich [mailto:jbeul...@suse.com]
>> >> Sent: 01 April 2016 12:21
>> >> >>> On 01.04.16 at 12:56, wrote:
>> >> >> From: Jan Beulich [
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 01 April 2016 14:43
> To: Paul Durrant
> Cc: Andrew Cooper; Anthony Perard; Stefano Stabellini; xen-devel; Keir
> (Xen.org)
> Subject: RE: [PATCH RFC] x86/vMSI-X: avoid missing first unmask of vectors
>
> >>> On 01
>>> On 01.04.16 at 15:01, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 01 April 2016 12:21
>> >>> On 01.04.16 at 12:56, wrote:
>> >> From: Jan Beulich [mailto:jbeul...@suse.com]
>> >> Sent: 01 April 2016 10:59
>> >> >>> On 01.04.16 at 11:15, wrote:
>> >> > Recent changes to Li
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 01 April 2016 12:21
> To: Paul Durrant
> Cc: Andrew Cooper; Anthony Perard; Stefano Stabellini; xen-devel; Keir
> (Xen.org)
> Subject: RE: [PATCH RFC] x86/vMSI-X: avoid missing first unmask of vectors
>
> >>> On 01
>>> On 01.04.16 at 12:56, wrote:
>> -Original Message-
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 01 April 2016 10:59
>> To: xen-devel
>> Cc: Andrew Cooper; Anthony Perard; Paul Durrant; Stefano Stabellini; Keir
>> (Xen.org)
>> Subject: Re: [PATCH RFC] x86/vMSI-X: avoid miss
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 01 April 2016 10:59
> To: xen-devel
> Cc: Andrew Cooper; Anthony Perard; Paul Durrant; Stefano Stabellini; Keir
> (Xen.org)
> Subject: Re: [PATCH RFC] x86/vMSI-X: avoid missing first unmask of vectors
>
> >>> On 01
>>> On 01.04.16 at 11:15, wrote:
> Recent changes to Linux result in there just being a single unmask
> operation prior to expecting the first interrupts to arrive. However,
> we've had a chicken-and-egg problem here: Qemu invokes
> xc_domain_update_msi_irq(), ultimately leading to
> msixtbl_pt_re
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