From: Jens Axboe <axboe@kernel.dk>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Mike Galbraith <umgwanakikbuti@gmail.com>,
Minchan Kim <minchan@kernel.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Thomas Gleixner <tglx@linutronix.de>,
Alexander Lobakin <aleksander.lobakin@intel.com>
Subject: Re: [PATCH v4 0/3] zram: Replace bit spinlocks with a spinlock_t.
Date: Fri, 6 Sep 2024 08:31:23 -0600 [thread overview]
Message-ID: <feb77bdc-512a-4f59-8a9e-1dc7751a2fa7@kernel.dk> (raw)
In-Reply-To: <20240906141520.730009-1-bigeasy@linutronix.de>
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@kernel.dk>
--
Jens Axboe
next prev parent reply other threads:[~2024-09-06 14:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-06 14:14 [PATCH v4 0/3] zram: Replace bit spinlocks with a spinlock_t Sebastian Andrzej Siewior
2024-09-06 14:14 ` [PATCH v4 1/3] " Sebastian Andrzej Siewior
2024-09-06 14:14 ` [PATCH v4 2/3] zram: Remove ZRAM_LOCK Sebastian Andrzej Siewior
2024-09-06 14:14 ` [PATCH v4 3/3] zram: Shrink zram_table_entry::flags Sebastian Andrzej Siewior
2024-09-06 14:31 ` Jens Axboe [this message]
2024-09-06 14:48 ` [PATCH v4 0/3] zram: Replace bit spinlocks with a spinlock_t Sebastian Andrzej Siewior
2024-09-06 14:50 ` Jens Axboe
2024-09-06 14:51 ` Jens Axboe
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