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Message-ID: <567F3638.7050008@hpe.com>
Date: Sat, 26 Dec 2015 17:52:08 -0700
From: Toshi Kani <toshi.kani@....com>
To: Joe Perches <joe@...ches.com>, akpm@...ux-foundation.org,
bp@...en8.de
Cc: linux-arch@...r.kernel.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, Andy Whitcroft <apw@...onical.com>
Subject: Re: [PATCH v2 15/16] checkpatch: Add warning on deprecated
walk_iomem_res
On 12/25/2015 5:05 PM, Joe Perches wrote:
> On Fri, 2015-12-25 at 15:09 -0700, Toshi Kani wrote:
>> Use of walk_iomem_res() is deprecated in new code. Change
>> checkpatch.pl to check new use of walk_iomem_res() and suggest
>> to use walk_iomem_res_desc() instead.
> []
>> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> []
>> @@ -3424,6 +3424,12 @@ sub process {
>> }
>> }
>>
>> +# check for uses of walk_iomem_res()
>> + if ($line =~ /\bwalk_iomem_res\(/) {
>> + WARN("walk_iomem_res",
>> + "Use of walk_iomem_res is deprecated, please use walk_iomem_res_desc instead\n" . $herecurr)
>> + }
>> +
>> # check for new typedefs, only function parameters and sparse annotations
>> # make sense.
>> if ($line =~ /\btypedef\s/ &&
>
> There are 6 uses of this function in the entire kernel tree.
> Why not just change them, remove the function and avoid this?
Sorry, I should have put some background in the description. We have
discussed if we can remove walk_iomem_res() in the thread below.
https://lkml.org/lkml/2015/12/23/248
But this may depend on how we deal with the last remaining caller,
walk_iomem_res() with "GART", being discussed in the thread below. I
will update according to the outcome.
https://lkml.org/lkml/2015/12/26/144
Thanks,
-Toshi
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