On 20/03/15 16:27, Jan Beulich wrote:
> Commit 74fd0036de ("x86: properly handle MSI-X unmask operation from
> guests") didn't go far enough: it fixed an issue with unmasking, but
> left an issue with masking in place: Due to the (late) point in time
> when qemu requests the hypervisor to set up MS
>>> On 25.03.15 at 06:40, wrote:
> BTW, how can I reproduce this issue?
Just change affinity of an MSI-X IRQ inside the guest - at least that's
all it took for me to see it.
Jan
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> -Original Message-
> From: Wu, Feng
> Sent: Wednesday, March 25, 2015 1:41 PM
> To: Jan Beulich; xen-devel
> Cc: Andrew Cooper; Keir Fraser; Wu, Feng
> Subject: RE: [Xen-devel] [PATCH 1/2] x86/vMSI-X: honor all mask requests
>
>
>
> > -Original
> -Original Message-
> From: xen-devel-boun...@lists.xen.org
> [mailto:xen-devel-boun...@lists.xen.org] On Behalf Of Jan Beulich
> Sent: Saturday, March 21, 2015 12:27 AM
> To: xen-devel
> Cc: Andrew Cooper; Keir Fraser
> Subject: [Xen-devel] [PATCH 1/2] x86/v
On Fri, Mar 20, 2015 at 04:27:29PM +, Jan Beulich wrote:
> Commit 74fd0036de ("x86: properly handle MSI-X unmask operation from
> guests") didn't go far enough: it fixed an issue with unmasking, but
> left an issue with masking in place: Due to the (late) point in time
> when qemu requests the
Commit 74fd0036de ("x86: properly handle MSI-X unmask operation from
guests") didn't go far enough: it fixed an issue with unmasking, but
left an issue with masking in place: Due to the (late) point in time
when qemu requests the hypervisor to set up MSI-X interrupts (which is
where the MMIO interc
