linux-kernel - Re: [patch V6 19/31] rseq: Provide and use rseq_update_user

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Message-ID: <630304ec-f24f-4452-a804-463197d2b936@efficios.com>
Date: Tue, 28 Oct 2025 11:40:28 -0400
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>
Cc: Michael Jeanson <mjeanson@...icios.com>, Jens Axboe <axboe@...nel.dk>,
 Peter Zijlstra <peterz@...radead.org>, "Paul E. McKenney"
 <paulmck@...nel.org>, x86@...nel.org, Sean Christopherson
 <seanjc@...gle.com>, Wei Liu <wei.liu@...nel.org>
Subject: Re: [patch V6 19/31] rseq: Provide and use rseq_update_user_cs()

On 2025-10-27 04:44, Thomas Gleixner wrote:
[...]
>   
> +/*
> + * Check whether there is a valid critical section and whether the
> + * instruction pointer in @regs is inside the critical section.
> + *
> + *  - If the critical section is invalid, terminate the task.
> + *
> + *  - If valid and the instruction pointer is inside, set it to the abort IP

nit: "...to the abort IP."

Other than that:

Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>

-- 
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com