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Message-ID: <20240811232208.234261-1-mail@florommel.de>
Date: Mon, 12 Aug 2024 01:22:06 +0200
From: Florian Rommel <mail@...rommel.de>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>,
"H . Peter Anvin" <hpa@...or.com>,
Jason Wessel <jason.wessel@...driver.com>,
Daniel Thompson <daniel.thompson@...aro.org>,
Douglas Anderson <dianders@...omium.org>,
Lorena Kretzschmar <qy15sije@....cs.fau.de>,
Stefan Saecherl <stefan.saecherl@....de>,
Peter Zijlstra <peterz@...radead.org>,
Christophe JAILLET <christophe.jaillet@...adoo.fr>,
Randy Dunlap <rdunlap@...radead.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Geert Uytterhoeven <geert+renesas@...der.be>,
kgdb-bugreport@...ts.sourceforge.net,
x86@...nel.org,
linux-kernel@...r.kernel.org
Cc: Florian Rommel <mail@...rommel.de>
Subject: [PATCH 0/2] kgdb: x86: fix breakpoint removal problems
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.
Florian Rommel (2):
x86/kgdb: convert early breakpoints to poke breakpoints
x86/kgdb: fix hang on failed breakpoint removal
arch/x86/kernel/kgdb.c | 38 ++++++++++++++++++++++++++++++++++++++
include/linux/kgdb.h | 3 +++
init/main.c | 1 +
kernel/debug/debug_core.c | 7 ++++++-
4 files changed, 48 insertions(+), 1 deletion(-)
--
2.46.0
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