Re: [PATCH 4/5] dma-direct: provide a arch_dma_clear_uncached hook
From: Christoph Hellwig <hch@lst.de>
Date: 2020-02-24 21:57:03
Also in:
linux-arch, linux-iommu, lkml
On Mon, Feb 24, 2020 at 01:53:28PM -0800, Ira Weiny wrote:
quoted
+ else if (IS_ENABLED(CONFIG_ARCH_HAS_DMA_CLEAR_UNCACHED)) + arch_dma_clear_uncached(cpu_addr, size);Isn't using arch_dma_clear_uncached() before patch 5 going to break bisectability?
Only if ARCH_HAS_DMA_CLEAR_UNCACHED is selected by anything, which only happens in patch 5. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel