Re: [PATCH 5/5] accel/ivpu: Mark 64 kB contiguous areas as contiguous in PTEs

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On 5/18/2023 7:16 AM, Stanislaw Gruszka wrote:
From: Karol Wachowski <karol.wachowski@xxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@xxxxxxxxxxxxxxx>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@xxxxxxxxxxxxxxx>

Reviewed-by: Jeffrey Hugo <quic_jhugo@xxxxxxxxxxx>



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