linux-kernel - Re: [PATCH v4 0/3] zram: Replace bit spinlocks with a spinlock

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Message-ID: <20240906144849.HrQCoqvn@linutronix.de>
Date: Fri, 6 Sep 2024 16:48:49 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Jens Axboe <axboe@...nel.dk>
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	Minchan Kim <minchan@...nel.org>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alexander Lobakin <aleksander.lobakin@...el.com>
Subject: Re: [PATCH v4 0/3] zram: Replace bit spinlocks with a spinlock_t.

On 2024-09-06 08:31:23 [-0600], Jens Axboe wrote:
> On 9/6/24 8:14 AM, Sebastian Andrzej Siewior wrote:
> > Hi,
> > 
> > this is follow up to the previous posting, making the lock
> > unconditionally. The original problem with bit spinlock is that it
> > disabled preemption and the following operations (within the atomic
> > section) perform operations that may sleep on PREEMPT_RT. Mike expressed
> > that he would like to keep using zram on PREEMPT_RT.
> 
> Looks good to me:
> 
> Reviewed-by: Jens Axboe <axboe@...nel.dk>
Thank you.
This is routed via your tree, right?

Sebastian