Re: [PATCH v5] selftests/resctrl: Skip L3_CAT when no exclusive cache portion exists

Reinette Chatre <[email protected]>
Newsgroups org.kernel.vger.linux-kselftest,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
Hi Richard,

On 8/20/26 5:39 PM, Richard Cheng wrote:
> L3_CAT requires an exclusive cache portion to test cache allocation.
> This means that the cache portion used by the test can't overlap with
> cache portions into which other agents may allocate.
> 
> Some platforms legitimately report every cache portion as shareable,
> leaving no exclusive cache portion for the test and causing L3_CAT to
> fail.
> 
> Skip the L3_CAT when the platform has no exclusive cache portion that
> the test can use.
> 
> Tested-by: Chen Yu <[email protected]>
> Reviewed-by: Ilpo Järvinen <[email protected]>
> Signed-off-by: Richard Cheng <[email protected]>
> ---

Thank you very much.

Reviewed-by: Reinette Chatre <[email protected]>

Reinette
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