linux-kernel - Re: [PATCH v3 07/13] mm: introduce io_remap_pfn_range

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Message-ID: <hfczgna46ok6zvh3xxgzdhf5t5nzqybpxkmvuulbzncagmgrcy@ase57zw2xsj5>
Date: Wed, 17 Sep 2025 12:12:17 +0100
From: Pedro Falcato <pfalcato@...e.de>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, 
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Subject: Re: [PATCH v3 07/13] mm: introduce io_remap_pfn_range_[prepare,
 complete]()

On Tue, Sep 16, 2025 at 03:11:53PM +0100, Lorenzo Stoakes wrote:
> We introduce the io_remap*() equivalents of remap_pfn_range_prepare() and
> remap_pfn_range_complete() to allow for I/O remapping via mmap_prepare.
> 
> We have to make some architecture-specific changes for those architectures
> which define customised handlers.
> 
> It doesn't really make sense to make this internal-only as arches specify
> their version of these functions so we declare these in mm.h.

Similar question to the remap_pfn_range patch.
> 
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>

Looks ok, but again, i'm no expert on this.

Acked-by: Pedro Falcato <pfalcato@...e.de>

-- 
Pedro