From: Florian Rommel <mail@florommel.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H . Peter Anvin" <hpa@zytor.com>,
Jason Wessel <jason.wessel@windriver.com>,
Daniel Thompson <daniel.thompson@linaro.org>,
Douglas Anderson <dianders@chromium.org>,
Lorena Kretzschmar <qy15sije@cip.cs.fau.de>,
Stefan Saecherl <stefan.saecherl@fau.de>,
Peter Zijlstra <peterz@infradead.org>,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
Randy Dunlap <rdunlap@infradead.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Geert Uytterhoeven <geert+renesas@glider.be>,
kgdb-bugreport@lists.sourceforge.net, x86@kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] kgdb: x86: fix breakpoint removal problems
Date: Wed, 14 Aug 2024 02:33:29 +0200 [thread overview]
Message-ID: <d5c8fdfbdfa096c9c1215a2ccd1cabefc63f1ec8.camel@florommel.de> (raw)
In-Reply-To: <20240813171055.f8805c1db539dfa18e80026b@linux-foundation.org>
On Tue, 2024-08-13 at 17:10 -0700, Andrew Morton wrote:
> On Mon, 12 Aug 2024 01:22:06 +0200 Florian Rommel <mail@florommel.de> wrote:
>
> > This series fixes two problems with KGDB on x86 concerning the removal
> > of breakpoints, causing the kernel to hang. Note that breakpoint
> > removal is not only performed when explicitly deleting a breakpoint,
> > but also happens before continuing execution or single stepping.
>
> Neat. It would be nice to fix earlier kernels; for that it is
> desirable to identify a Fixes: target. From a quick look it appears
> this issue is more than a decade old, in which case I don't believe a
> Fixes: is needed - our request becomes "please backport to everything".
>
Thanks. There is already a v2 (due to my negligence on the details) and
a bit of discussion:
https://lore.kernel.org/all/20240812174338.363838-1-mail@florommel.de/
Rgeards,
Florian
prev parent reply other threads:[~2024-08-14 0:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-11 23:22 Florian Rommel
2024-08-11 23:22 ` [PATCH 1/2] x86/kgdb: convert early breakpoints to poke breakpoints Florian Rommel
2024-08-11 23:22 ` [PATCH 2/2] x86/kgdb: fix hang on failed breakpoint removal Florian Rommel
2024-08-14 0:10 ` [PATCH 0/2] kgdb: x86: fix breakpoint removal problems Andrew Morton
2024-08-14 0:33 ` Florian Rommel [this message]
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