Ping.
On 2018/7/25 15:07, YueHaibing wrote:
> Sean Wang reported dma_zalloc_coherent doesn't work as expect on his
> armv7,the allocated mem is not zeroed.The reason is __alloc_from_pool
> doesn't honor __GFP_ZERO.
>
> As commit 6829e274a623 ("arm64: dma-mapping: always clear allocated buffers"
Russell, will you pick this patch?
On 2018/7/25 15:13, YueHaibing wrote:
> +CC Christoph Hellwig
>
> On 2018/7/25 15:07, YueHaibing wrote:
>> Sean Wang reported dma_zalloc_coherent doesn't work as expect on his
>> armv7,the allocated mem is not zeroed.The reason is __alloc_from_pool
>> doesn'
+CC Christoph Hellwig
On 2018/7/25 15:07, YueHaibing wrote:
> Sean Wang reported dma_zalloc_coherent doesn't work as expect on his
> armv7,the allocated mem is not zeroed.The reason is __alloc_from_pool
> doesn't honor __GFP_ZERO.
>
> As commit 6829e274a623 ("arm64: dma-mapping: always clear al
Sean Wang reported dma_zalloc_coherent doesn't work as expect on his
armv7,the allocated mem is not zeroed.The reason is __alloc_from_pool
doesn't honor __GFP_ZERO.
As commit 6829e274a623 ("arm64: dma-mapping: always clear allocated buffers")
has pointed out,buffers allocated by dma_alloc_coherent
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