[Xen-devel] Ping: [PATCH 0/2] x86/vMSI-X: table read/write emulation adjustments

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.03.15 at 16:52, <JBeulich@xxxxxxxx> wrote:

This has been pending for almost 4 weeks now...

Jan

> Due to the (late) point in time when qemu requests the hypervisor to
> set up MSI-X interrupts (which is where the MMIO intercept gets put
> in place), the hypervisor doesn't see all guest writes, and hence
> shouldn't make assumptions on the state the virtual MSI-X resources
> are in.
> 
> 1: honor all mask requests
> 2: add valid bits for read acceleration
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 
> 
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