On 22/06/15 15:47, Jan Beulich wrote:
> Host uses of the bits will be added subsequently, and must not be
> overridden by guests (including Dom0, namely when acting on behalf of
> a guest).
>
> Signed-off-by: Jan Beulich <jbeul...@suse.com>
>
> --- a/xen/arch/x86/msi.c
> +++ b/xen/arch/x86/msi.c
> @@ -846,6 +846,12 @@ static int msix_capability_init(struct p
>
> if ( !msix->used_entries )
> {
> + msix->host_maskall = 0;
> + if ( !msix->guest_maskall )
> + control &= ~PCI_MSIX_FLAGS_MASKALL;
> + else
> + control |= PCI_MSIX_FLAGS_MASKALL;
Is the guest (or hardware) in a position to influence guest_maskall at
this point? I am not sure that it is.
~Andrew
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
