linux-kernel - Re: [PATCH 07/16] tools/include: Add io.h stub

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Message-ID: <48499a57afb3d27df26b39aa4255b4ba583c1148.camel@gmail.com>
Date:   Fri, 28 Jan 2022 12:21:59 +0100
From:   Karolina Drobnik <karolinadrobnik@...il.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     linux-mm@...ck.org, akpm@...ux-foundation.org,
        mike.rapoport@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/16] tools/include: Add io.h stub

On Thu, 2022-01-27 at 14:09 +0000, Matthew Wilcox wrote:
> On Thu, Jan 27, 2022 at 02:21:25PM +0100, Karolina Drobnik wrote:
> > Add a dummy io.h header.
> 
> Rather begs the question of what memblock.c needs from linux/io.h.
> 
> Wouldn't it be better to:
> 
> +++ b/mm/memblock.c
> @@ -18,7 +18,6 @@
>  #include <linux/memblock.h>
> 
>  #include <asm/sections.h>
> -#include <linux/io.h>
> 
>  #include "internal.h"
> 

That was something I considered in the very beginning, but didn't have
a chance to verify it works for all architectures. I can take a look
after I'm finished with other v2 changes.

> (allmodconfig on x86-64 builds fine with this; I have not done an
> extended sweep of other arches / build options).