linux-kernel - Re: clean up kernel_{read,write} & friends v2

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Message-ID: <499cba4e00172867850b13df26670ed80d41d7a6.camel@perches.com>
Date:   Thu, 28 May 2020 13:18:29 -0700
From:   Joe Perches <joe@...ches.com>
To:     Matthew Wilcox <willy@...radead.org>,
        Al Viro <viro@...iv.linux.org.uk>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Christoph Hellwig <hch@....de>, Ian Kent <raven@...maw.net>,
        David Howells <dhowells@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        LSM List <linux-security-module@...r.kernel.org>,
        NetFilter <netfilter-devel@...r.kernel.org>,
        Alex Deucher <alexander.deucher@....com>,
        David Airlie <airlied@...ux.ie>
Subject: Re: clean up kernel_{read,write} & friends v2

On Thu, 2020-05-28 at 12:44 -0700, Matthew Wilcox wrote:
> On Thu, May 28, 2020 at 08:33:40PM +0100, Al Viro wrote:
> > On Thu, May 28, 2020 at 12:22:08PM -0700, Joe Perches wrote:
> > 
> > > Hard limits at 80 really don't work well, especially with
> > > some of the 25+ character length identifiers used today.
> > 
> > IMO any such identifier is a good reason for a warning.
> > 
> > The litmus test is actually very simple: how unpleasant would it be
> > to mention the identifiers while discussing the code over the phone?
> 
> Here's a good example of a function which should be taken out and shot:
> 
> int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_devic
> e *adev,

Ick.

Seems simple enough as it doesn't appear to be used...

$ git grep amdgpu_atombios_get_leakage_vddc_based_on_leakage_params
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c:int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device *adev,
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h:int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device *adev,