linux-kernel - Re: [PATCH v4 4/9] vsprintf: Consolidate handling of unknown pointer specifiers

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Date:   Mon, 9 Apr 2018 14:30:10 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Joe Perches <joe@...ches.com>
Cc:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Tobin C . Harding" <me@...in.cc>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.cz>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 4/9] vsprintf: Consolidate handling of unknown pointer
 specifiers

On Fri 2018-04-06 07:27:19, Joe Perches wrote:
> On Fri, 2018-04-06 at 15:17 +0200, Rasmus Villemoes wrote:
> > On 2018-04-06 13:43, Petr Mladek wrote:
> > > On Thu 2018-04-05 16:55:35, Joe Perches wrote:
> > > > On Thu, 2018-04-05 at 16:45 -0700, Joe Perches wrote:
> > > > > On Thu, 2018-04-05 at 16:25 +0200, Rasmus Villemoes wrote:
> > > > > > Even just git grep -1 -E '%p"$' finds %pt and %po
> > > > > > which should get fixed before somebody claims those extensions.
> > > > > 
> > > > > Neither %pt nor %po is used in a vsprintf
> > > > > in the kernel.
> > > > 
> > > > Nope, you are right, both are defectively used in the
> > > > kernel via string concatenation.
> > > 
> > > Ah, I see.
> > 
> > Yes, that was the point of that particular grep pattern with context. I
> > sent patches three years ago and several pings, but despite an email
> > telling me it would be picked up "for the next release" nothing has
> > happened, so I've just been waiting for someone to implement a %po.
> > 
> > > Otherwise, the changes make perfect sense. Are you going to send
> > > them as proper patches, please?
> > 
> > Good luck. Unless Petr will be taking them through the printk tree?
> 
> As the trivial maintainer seems to use a leaky bucket algorithm
> for most trivial patches, I'll just retry and send actual
> patches through Andrew Morton as patches through his quilt tree
> seem to get upstream faster.

I could take them via printk.git. But Andrew is a good choice
as well.

Best Regards,
Petr