On Wed, Nov 25, 2020 at 02:45:37PM +0100, Peter Zijlstra wrote:
> On Tue, Nov 17, 2020 at 06:20:01PM -0500, Joel Fernandes (Google) wrote:
> > Some hardware such as certain AMD variants don't have cross-HT MDS/L1TF
> > issues. Detect this and don't enable core scheduling as it can
> > needlessly
On Tue, Nov 17, 2020 at 06:20:01PM -0500, Joel Fernandes (Google) wrote:
> Some hardware such as certain AMD variants don't have cross-HT MDS/L1TF
> issues. Detect this and don't enable core scheduling as it can
> needlessly slow those device down.
>
> However, some users may want core scheduling
Hi Joel,
On 11/17/20 3:20 PM, Joel Fernandes (Google) wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt
> b/Documentation/admin-guide/kernel-parameters.txt
> index b185c6ed4aba..9cd2cf7c18d4 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++
Some hardware such as certain AMD variants don't have cross-HT MDS/L1TF
issues. Detect this and don't enable core scheduling as it can
needlessly slow those device down.
However, some users may want core scheduling even if the hardware is
secure. To support them, add a coresched= option which
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