linux-kernel - Re: [PATCH v2 14/16] x86,nvdimm,kexec: Use walk_iomem_res

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Message-ID: <20151226103804.GB21988@pd.tnic>
Date:	Sat, 26 Dec 2015 11:38:04 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Toshi Kani <toshi.kani@....com>
Cc:	akpm@...ux-foundation.org, linux-arch@...r.kernel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Dan Williams <dan.j.williams@...el.com>,
	Dave Young <dyoung@...hat.com>, x86@...nel.org,
	linux-nvdimm@...ts.01.org
Subject: Re: [PATCH v2 14/16] x86,nvdimm,kexec: Use walk_iomem_res_desc() for
 iomem search

On Fri, Dec 25, 2015 at 03:09:23PM -0700, Toshi Kani wrote:
> Change to call walk_iomem_res_desc() for searching resource entries
> with the following names:
>  "ACPI Tables"
>  "ACPI Non-volatile Storage"
>  "Persistent Memory (legacy)"
>  "Crash kernel"
> 
> Note, the caller of walk_iomem_res() with "GART" is left unchanged
> because this entry may be initialized by out-of-tree drivers, which
> do not have 'desc' set to IORES_DESC_GART.

There's this out-of-tree bogus argument again. :\

Why do we care about out-of-tree drivers?

You can just as well fix the "GART" case too and kill walk_iomem_res()
altogether...

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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