On Tue, Jun 15, 2021 at 02:41:07PM +1000, Nicholas Piggin wrote:
> There are several new L1D cache flush bits added to the hcall which reflect
> hardware security features for speculative cache access issues.
>
> These behaviours are now being specified as negative in order to simplify
> patched k
On Sun, Jun 20, 2021 at 12:22:53PM +1000, Nicholas Piggin wrote:
> Excerpts from David Gibson's message of June 19, 2021 7:26 pm:
> > On Tue, Jun 15, 2021 at 02:41:07PM +1000, Nicholas Piggin wrote:
> >> There are several new L1D cache flush bits added to the hcall which reflect
> >> hardware secur
Excerpts from David Gibson's message of June 19, 2021 7:26 pm:
> On Tue, Jun 15, 2021 at 02:41:07PM +1000, Nicholas Piggin wrote:
>> There are several new L1D cache flush bits added to the hcall which reflect
>> hardware security features for speculative cache access issues.
>>
>> These behaviours
On Tue, Jun 15, 2021 at 02:41:07PM +1000, Nicholas Piggin wrote:
> There are several new L1D cache flush bits added to the hcall which reflect
> hardware security features for speculative cache access issues.
>
> These behaviours are now being specified as negative in order to simplify
> patched k
There are several new L1D cache flush bits added to the hcall which reflect
hardware security features for speculative cache access issues.
These behaviours are now being specified as negative in order to simplify
patched kernel compatibility with older firmware (a new problem found in
existing sy
