On Tue, 19 Jan 2021 at 14:49, Chris Wilson <[email protected]> wrote:
>
> When flushing objects larger than the CPU cache it is preferrable to use
> a single wbinvd() rather than overlapping clflush(). At runtime, we
> avoid wbinvd() due to its system-wide latencies, but during
> singlethreaded suspend, no one will observe the imposed latency and we
> can opt for the faster wbinvd to clear all objects in a single hit.
>
> Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
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