lkml.org 
[lkml]   [2018]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] x86/mm/dump_pagetables: Change to use DEFINE_SHOW_ATTRIBUTE macro
Hi Kees:

I want to listen to you.

--Yangtao
On Tue, Nov 20, 2018 at 8:49 AM Frank Lee <tiny.windzz@gmail.com> wrote:
>
> Hi Dava:
>
> How about just change the ptdump_fops and ptdump_open?
>
> Yours,
> Yangtao
> On Tue, Nov 20, 2018 at 1:06 AM Dave Hansen <dave.hansen@intel.com> wrote:
> >
> > On 11/19/18 7:43 AM, Yangtao Li wrote:
> > > -static const struct file_operations ptdump_curusr_fops = {
> > > - .owner = THIS_MODULE,
> > > - .open = ptdump_open_curusr,
> > > - .read = seq_read,
> > > - .llseek = seq_lseek,
> > > - .release = single_release,
> > > -};
> > > +DEFINE_SHOW_ATTRIBUTE(ptdump_curusr);
> >
> > FWIW, I rather dislike this conversion and the DEFINE_SHOW_ATTRIBUTE()
> > approach in general. It makes it basically impossible to go from
> > ptdump_curusr to ptdump_open_curusr without opening up the macro and
> > reverse-engineering it.
> >
> > My test is that for these macros to be sane, I need to be able to find
> > "ptdump_open_curusr" by grepping for "ptdump_curusr". This fails the test.
> >
> > I don't think saving a few lines of code is worth the obfuscation.

\
 
 \ /
  Last update: 2018-11-20 01:53    [W:0.083 / U:0.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site