Re: [PATCH] dmaengine: idxd: No need to clear memory after a dma_alloc_coherent() call

[Christophe JAILLET]

Le 30/05/2023 à 17:54, Bernd Petrovitsch a écrit :
> On 28/05/2023 16:11, Christophe JAILLET wrote:
> > dma_alloc_coherent() already clear the allocated memory, there is no need
> > to explicitly call memset().
>
> Hmm, so wouldn't be dma_zalloc_coherent() a better name for the function?
>
> Kind regards,
>      Bernd

Hi,

No strong opinion about it.
It is not malloc either !)

When dma_zalloc_coherent() has been deprecated (see [1]), for some 
reason, it was decided to keep the "alloc" version.

CJ


[1]: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/include/linux/dma-mapping.h?id=06d4dd2f2ce1cdb625f77c0676d5af6ba310c01d