linux-kernel - Re: [PATCH] sound: oss: waveartist: Convert timers to use timer

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Date:   Wed, 25 Oct 2017 03:17:25 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Jaroslav Kysela <perex@...ex.cz>,
        David Howells <dhowells@...hat.com>,
        moderated for non-subscribers <alsa-devel@...a-project.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sound: oss: waveartist: Convert timers to use timer_setup()

On Wed, Oct 25, 2017 at 3:06 AM, Takashi Iwai <tiwai@...e.de> wrote:
> On Tue, 24 Oct 2017 22:07:34 +0200,
> Kees Cook wrote:
>>
>> On Tue, Oct 24, 2017 at 12:25 PM, Takashi Iwai <tiwai@...e.de> wrote:
>> > On Tue, 24 Oct 2017 17:35:21 +0200,
>> > Kees Cook wrote:
>> >>
>> >> In preparation for unconditionally passing the struct timer_list pointer to
>> >> all timer callbacks, switch to using the new timer_setup() and from_timer()
>> >> to pass the timer pointer explicitly.
>> >>
>> >> Cc: Jaroslav Kysela <perex@...ex.cz>
>> >> Cc: Takashi Iwai <tiwai@...e.com>
>> >> Cc: David Howells <dhowells@...hat.com>
>> >> Cc: alsa-devel@...a-project.org
>> >> Signed-off-by: Kees Cook <keescook@...omium.org>
>> >
>> > I'll skip this as sound/oss/* is already disabled in recent kernels in
>> > kbuild, and we're going to remove the whole code soon later.
>>
>> At the end of these conversions, the old init_timer() and
>> setup_timer() APIs will be removed, which would break anything still
>> trying to use it (obviously). But if sound/oss/* is _already_
>> unbuildable, then sure, this is fine by me to leave out. :)
>
> I see a few still remaining users of setup_timer() in sound/*.
> Do you already have conversion patches?  They are all trivial, so I
> can cook up in minutes, too.

I haven't sent the trivial ones (since I am expecting to do a treewide
mechanical change for those). I can send you the rest as a patch
instead, if you want?

-Kees

-- 
Kees Cook
Pixel Security