linux-kernel - Re: [PATCH V1 resend] dcookies: Make dcookies depend on CONFIG

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Message-ID: <20210112043724.3pbpsmxn7yl65psk@vireshk-i7>
Date:   Tue, 12 Jan 2021 10:07:24 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>, Christoph Hellwig <hch@....de>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V1 resend] dcookies: Make dcookies depend on
 CONFIG_OPROFILE

On 11-01-21, 11:28, Linus Torvalds wrote:
> On Sun, Jan 10, 2021 at 10:02 PM Viresh Kumar <viresh.kumar@...aro.org> wrote:
> >
> > From: Arnd Bergmann <arnd@...db.de>
> >
> > The dcookies stuff is used only with OPROFILE and there is no need to
> > build it if CONFIG_OPROFILE isn't enabled. Build it depending on
> > CONFIG_OPROFILE instead of CONFIG_PROFILING.
> 
> Umm. I think we should remove CONFIG_OPROFILE entirely, and then
> dcookies as part of it.
> 
> We discussed removing CONFIG_OPROFILE for 5.9 (I htink) already - the
> oprofile user land tools don't use the kernel OPROFILE support any
> more, and haven't in a long time. User land has been converted to the
> perf interfaces.

Right, I followed that discussion but I wasn't sure if this patch will
go in first and then the later ones will follow. And since I couldn't
see a reply from Alexander for it, I thought it is best to resend it
to get merged first.

Okay, I will try to send some patches to get rid of OPROFILE and
dcookies now.

Thanks.

-- 
viresh