On 5/23/22 19:00, Daniel P. Berrangé wrote:
> On Mon, May 09, 2022 at 05:02:13PM +0200, Michal Privoznik wrote:
>> Since its 5.14 release the Linux kernel allows userspace to
>> define trusted groups of processes/threads that can run on
>> sibling Hyper Threads (HT) at the same time. This is to mit
On Mon, May 09, 2022 at 05:02:13PM +0200, Michal Privoznik wrote:
> Since its 5.14 release the Linux kernel allows userspace to
> define trusted groups of processes/threads that can run on
> sibling Hyper Threads (HT) at the same time. This is to mitigate
> side channel attacks like L1TF or MDS. If
Since its 5.14 release the Linux kernel allows userspace to
define trusted groups of processes/threads that can run on
sibling Hyper Threads (HT) at the same time. This is to mitigate
side channel attacks like L1TF or MDS. If there are no tasks to
fully utilize all HTs, then a HT will idle instead
