Re: [PATCH 2/6] x86: remove memblock_find_dma_reserve()

Mike Rapoport
2024-03-20T09:37:57Z

On Wed, Mar 20, 2024 at 03:52:52PM +0800, Baoquan He wrote:
> On 03/19/24 at 05:49pm, Mike Rapoport wrote:
> > Hi Baoquan,
> >
> > On Mon, Mar 18, 2024 at 10:21:34PM +0800, Baoquan He wrote:
> > > This is not needed any more.
> >
> > I'd swap this and the first patch, so that the first patch would remove
> > memblock_find_dma_reserve() and it's changelog will explain why it's not
> > needed and then the second patch will simply drop unused set_dma_reserve()
>
> Thanks, Mike.
>
> My thought on the patch 1/2 splitting is:
> patch 1 is removing all relevant codes in mm, including the usage of
> dma_reserve in free_area_init_core() and exporting set_dma_reserve()
> to any ARCH which want to subtract the dma_reserve from DMA zone.
>
> Patch 2 purely remove the code in x86 ARCH about how to get dma_reserve.

I think it's better first to remove the usage of set_dma_reserve() in x86
and then clean up the unused code.

> Your suggestion is also good to me, I can rearrange the order and
> repost.

--
Sincerely yours,
Mike.