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From: Thomas Gleixner <tglx@linutronix.de>
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To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, LKML
 <linux-kernel@vger.kernel.org>
Cc: "Paul E. McKenney" <paulmck@kernel.org>, Boqun Feng
 <boqun.feng@gmail.com>, Jonathan Corbet <corbet@lwn.net>, Prakash Sangappa
 <prakash.sangappa@oracle.com>, Madadi Vineeth Reddy
 <vineethr@linux.ibm.com>, K Prateek Nayak <kprateek.nayak@amd.com>, Steven
 Rostedt <rostedt@goodmis.org>, Sebastian Andrzej Siewior
 <bigeasy@linutronix.de>, Arnd Bergmann <arnd@arndb.de>,
 linux-arch@vger.kernel.org, Randy Dunlap <rdunlap@infradead.org>, Peter
 Zijlstra <peterz@infradead.org>, Ron Geva <rongevarg@gmail.com>, Waiman
 Long <longman@redhat.com>
Subject: Re: [patch V6 09/11] rseq: Implement rseq_grant_slice_extension()
In-Reply-To: <0cb26892-c68e-4a57-8029-8c582f868505@efficios.com>
References: <20251215155615.870031952@linutronix.de>
 <20251215155709.195303303@linutronix.de>
 <0cb26892-c68e-4a57-8029-8c582f868505@efficios.com>
Date: Fri, 19 Dec 2025 00:28:50 +0100
Message-ID: <87bjjvbc99.ffs@tglx>
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On Tue, Dec 16 2025 at 10:25, Mathieu Desnoyers wrote:
> On 2025-12-15 13:24, Thomas Gleixner wrote:
> [...]
>> In case that the user space access faults or invalid state is detected, the
>> task is terminated with SIGSEGV.
>
> It appears that only access faults trigger SIGSEGV. Perhaps removing
> "or invalid state is detected" should be removed, or the code is missing
> some state validation ?

Seems I dropped a debug path somewhere down the road.