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From: Doug Anderson <dianders@chromium.org>
To: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Jason Wessel <jason.wessel@windriver.com>,
	kgdb-bugreport@lists.sourceforge.net,
	Christophe Leroy <christophe.leroy@c-s.fr>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 3/4] kdb: Fix "btc <cpu>" crash if the CPU didn't round up
Date: Thu, 10 Oct 2019 09:38:04 -0700	[thread overview]
Message-ID: <CAD=FV=VuOVpvEB60-prMxuPyjcrJ-9O2hyaLKf86c-r9BVocdg@mail.gmail.com> (raw)
In-Reply-To: <20191010150735.dhrj3pbjgmjrdpwr@holly.lan>

Hi,

On Thu, Oct 10, 2019 at 8:07 AM Daniel Thompson
<daniel.thompson@linaro.org> wrote:
> > Reading through other control flows of the various backtrace commands,
> > it looks like it is intentional to leave the current task changed when
> > you explicitly do an action on that task (or a CPU).
> >
> > Actually, though, it wasn't clear to me that it ever made sense for
> > any of these commands to implicitly leave the current task changed.
> > If you agree, I can send a follow-up patch to change this behavior.
>
> Personally I don't like implicit changes of state but I might need a bit
> more thinking to agree (or disagree ;-) ).

I can post up a followup after this series lands and change it.  I
have a feeling nobody is relying on the old behavior and thus nobody
will notice but it would be nice to get this cleaner.

BTW: if you want me to spin to fix the commit message typo that Will
found or add his Ack to the series, let me know.  Otherwise I'll
assume that the typo can be fixed and Acks added when the patch is
applied.

-Doug

  reply	other threads:[~2019-10-10 16:38 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-25 20:02 [PATCH v3 0/4] kdb: Fixes for btc Douglas Anderson
2019-09-25 20:02 ` [PATCH v3 1/4] kgdb: Remove unused DCPU_SSTEP definition Douglas Anderson
2019-09-25 20:08   ` Jason Wessel
2019-09-25 20:02 ` [PATCH v3 2/4] kdb: Remove unused "argcount" param from kdb_bt1(); make btaprompt bool Douglas Anderson
2019-09-25 20:02 ` [PATCH v3 3/4] kdb: Fix "btc <cpu>" crash if the CPU didn't round up Douglas Anderson
2019-10-03 21:09   ` Will Deacon
2019-10-07 13:54   ` Daniel Thompson
2019-10-07 23:34     ` Doug Anderson
2019-10-10 15:07       ` Daniel Thompson
2019-10-10 16:38         ` Doug Anderson [this message]
2019-11-09 19:20           ` Doug Anderson
2019-09-25 20:02 ` [PATCH v3 4/4] kdb: Fix stack crawling on 'running' CPUs that aren't the master Douglas Anderson
2019-10-03 21:11 ` [PATCH v3 0/4] kdb: Fixes for btc Will Deacon
2019-10-10 16:51 ` Daniel Thompson

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