On 01.07.2023 00:38, Marek Marczykowski-Górecki wrote:
> On Tue, May 30, 2023 at 02:04:26PM +0200, Jan Beulich wrote:
>> On 05.05.2023 23:25, Marek Marczykowski-Górecki wrote:
>>> --- a/xen/drivers/char/xhci-dbc.c
>>> +++ b/xen/drivers/char/xhci-dbc.c
>>> @@ -1221,14 +1221,12 @@ static void __init
On Tue, May 30, 2023 at 02:04:26PM +0200, Jan Beulich wrote:
> On 05.05.2023 23:25, Marek Marczykowski-Górecki wrote:
> > Not the whole page, which may contain other registers too. In fact
> > on Tiger Lake and newer (at least), this page do contain other registers
> > that Linux tries to use.
>
>
On 05.05.2023 23:25, Marek Marczykowski-Górecki wrote:
> Not the whole page, which may contain other registers too. In fact
> on Tiger Lake and newer (at least), this page do contain other registers
> that Linux tries to use.
Please can you clarify whether this is with spec or an erratum? I ask
no
Not the whole page, which may contain other registers too. In fact
on Tiger Lake and newer (at least), this page do contain other registers
that Linux tries to use. And with share=yes, a domU would use them too.
Without this patch, PV dom0 would fail to initialize the controller,
while HVM would be
