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

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Message-ID: <567F315B.8080005@hpe.com>
Date:	Sat, 26 Dec 2015 17:31:23 -0700
From:	Toshi Kani <toshi.kani@....com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	akpm@...ux-foundation.org, linux-arch@...r.kernel.org,
	kexec@...ts.infradead.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

+ cc: kexec list

On 12/26/2015 3:38 AM, Borislav Petkov wrote:
> 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...

Right, but I do not see any "GART" case in the upstream code, so I 
cannot change it...

Thanks,
-Toshi
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