Re: [PATCH 0/2] ARM: preserve DMA_FROM_DEVICE buffer contents

From: Karl Mehltretter

Date: Thu Sep 10 2026 - 02:55:59 EST


On Thu, Sep 10, 2026 at 08:36:18AM +0100, Karl Mehltretter wrote:
> This series prevents a DMA_FROM_DEVICE map from discarding CPU-written
> buffer contents on non-coherent 32-bit ARM. It is based on
> v7.3-rc1-324-g986c24e0fe44.

> Karl Mehltretter (2):
> ARM: dma-mapping: preserve DMA_FROM_DEVICE buffer contents
> ARM: dma-mapping: flush FROM_DEVICE buffers on legacy backends
>

Adding Linus at his current email address.

Sorry for the noise.

Karl