[PATCH 5/5] accel/ivpu: Mark 64 kB contiguous areas as contiguous in PTEs
Jeffrey Hugo
quic_jhugo at quicinc.com
Thu May 18 14:17:02 UTC 2023
On 5/18/2023 7:16 AM, Stanislaw Gruszka wrote:
> From: Karol Wachowski <karol.wachowski at linux.intel.com>
>
> Whenever KMD maps region larger than 64kB that is both aligned and
> contiguous, set contiguous bit (52) in MMU PTE descriptor for each page
> in that region.
>
> This allows to treat 16 contiguous pages as one and reduce
> number of MMU page walks required what results in lower latency.
what -> which
>
> Signed-off-by: Karol Wachowski <karol.wachowski at linux.intel.com>
> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka at linux.intel.com>
> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka at linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo at quicinc.com>
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