From: Philippe Gerum <rpm@xenomai.org>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Florian Bezdeka <florian.bezdeka@siemens.com>, xenomai@xenomai.org
Subject: Re: [dovetail][PATCH v2 0/4] ARM trap fixes and generic handling of trap nesting
Date: Thu, 12 Nov 2026 11:31:32 +0100 [thread overview]
Message-ID: <87cxsa2vej.fsf@xenomai.org> (raw)
In-Reply-To: <cover.1794399047.git.jan.kiszka@siemens.com> (Jan Kiszka's message of "Wed, 11 Nov 2026 13:10:43 +0100")
Jan Kiszka <jan.kiszka@siemens.com> writes:
>
> I will share the lengthy test case as well once I'm done with stripping
> it down further (if possible). What the tests already demonstrated is
> that unpatched kernels crash.
>
> These patches here are almost completely generated. One of my few
> contributions was to encode _TLF_OOBTRAP into oob_trap_regs. The idea
> of having oob_trap_regs as a nesting detector came from the AI, though.
>
> As usual, AI is still rather verbose in descriptions and comments. Some
> of them I already shortened, but most is still left. We can cut down
> further, but I would first of all like to have another review round.
>
> While doing that, keep in mind that AI tends to ignore issues left and
> right when being told to do a specific task. It may have simply missed
> further preexisting issues or even created new ones now. Watch out!
>
It looks like patches 1-3 have landed into v6.18.Y already, which means
that you are confident with those changes eventually.
--
Philippe.
next prev parent reply other threads:[~2026-11-12 10:31 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 12:10 [dovetail][PATCH v2 0/4] ARM trap fixes and generic handling of trap nesting Jan Kiszka
2026-11-11 12:10 ` [dovetail][PATCH v2 1/4] dovetail: Track the owner of a trap notification by exception frame Jan Kiszka
2026-11-11 23:11 ` Florian Bezdeka
2026-11-11 12:10 ` [dovetail][PATCH v2 2/4] ARM: dovetail: Fix trap unwind condition in __und_svc Jan Kiszka
2026-11-11 12:10 ` [dovetail][PATCH v2 3/4] ARM: dovetail: Notify the core about undefined instruction traps from user mode Jan Kiszka
2026-11-11 12:10 ` [dovetail][PATCH v2 4/4] ARM: dovetail: Fix VFP exception trap notification Jan Kiszka
2026-11-11 23:21 ` [dovetail][PATCH v2 0/4] ARM trap fixes and generic handling of trap nesting Florian Bezdeka
2026-11-12 6:11 ` Jan Kiszka
2026-11-12 10:31 ` Philippe Gerum [this message]
2026-11-12 11:05 ` Florian Bezdeka
2026-11-12 11:16 ` Jan Kiszka
2026-11-12 11:25 ` Florian Bezdeka
2026-11-12 11:30 ` Jan Kiszka
2026-11-12 11:39 ` Florian Bezdeka
2026-11-12 12:04 ` Jan Kiszka
2026-11-12 12:59 ` Philippe Gerum
2026-11-12 13:29 ` Jan Kiszka
2026-11-12 13:49 ` Philippe Gerum
2026-11-12 14:03 ` Jan Kiszka
2026-11-12 14:43 ` Philippe Gerum
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