linux-kernel - Re: [PATCH 1/2] lockdep: Introduce CROSSRELEASE_STACK

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Message-ID: <20171019080553.s22nd7j2t22cimyx@gmail.com>
Date:   Thu, 19 Oct 2017 10:05:53 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Byungchul Park <byungchul.park@....com>
Cc:     peterz@...radead.org, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        kernel-team@....com, Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 1/2] lockdep: Introduce CROSSRELEASE_STACK_TRACE and make
 it not unwind as default


* Byungchul Park <byungchul.park@....com> wrote:

> On Thu, Oct 19, 2017 at 08:22:12AM +0200, Ingo Molnar wrote:
> > There's no current crash regression that I know of - I'm just outlining the 
> > conditions of getting all this re-enabled in the next merge window.
> > 
> > Instead of sending two series, could you please send a series that includes both 
> > these fixing + re-enabling patches, plus the false positive fixes?
> > 
> > In particular I think the cross-release re-enabling should be done as the last 
> > patch, so that any future bisections of new false positives won't be made more 
> > difficult by re-introducing the old false positives near the end of the bisection.
> 
> I agree. But I already sent v2 before you told me..
> 
> Do you want me to send patches fixing false positives in the thread
> fixing performance regression?

No need, I'll reorder them and let you know if there's any problem left.

Thanks,

	Ingo