linux-kernel - Re: [PATCH] proc: Convert S_<FOO> permission uses to octal

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Date:   Fri, 12 Feb 2021 14:51:26 -0800
From:   Joe Perches <joe@...ches.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] proc: Convert S_<FOO> permission uses to octal

On Fri, 2021-02-12 at 16:01 -0600, Eric W. Biederman wrote:
> Joe Perches <joe@...ches.com> writes:
> 
> > Convert S_<FOO> permissions to the more readable octal.
> > 
> > Done using:
> > $ ./scripts/checkpatch.pl -f --fix-inplace --types=SYMBOLIC_PERMS fs/proc/*.[ch]
> > 
> > No difference in generated .o files allyesconfig x86-64
> > 
> > Link:
> > https://lore.kernel.org/lkml/CA+55aFw5v23T-zvDZp-MmD_EYxF8WbafwwB59934FV7g21uMGQ@mail.gmail.com/
> 
> 
> I will be frank.  I don't know what 0644 means.  I can never remember
> which bit is read, write or execute.  So I like symbolic constants.
> 
> I don't see a compelling reason to change the existing code.

Did you read Linus' message in the Link: above?

It was a reply to what Ingo Molnar suggested here:

https://lore.kernel.org/lkml/20160803081140.GA7833@gmail.com/