From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Minchan Kim <minchan@kernel.org>
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Jens Axboe <axboe@kernel.dk>,
Thomas Gleixner <tglx@linutronix.de>,
Mike Galbraith <umgwanakikbuti@gmail.com>
Subject: Re: [PATCH v2 0/3] zram: Replace bit spinlocks with a spinlock_t.
Date: Thu, 4 Jul 2024 18:39:03 +0900 [thread overview]
Message-ID: <20240704093903.GC3232210@google.com> (raw)
In-Reply-To: <20240620153556.777272-1-bigeasy@linutronix.de>
On (24/06/20 17:28), Sebastian Andrzej Siewior wrote:
> 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.
Sorry for the delay.
I guess this works for me, FWIW:
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Minchan, any objections?
prev parent reply other threads:[~2024-07-04 9:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-20 15:28 [PATCH v2 0/3] zram: Replace bit spinlocks with a spinlock_t Sebastian Andrzej Siewior
2024-06-20 15:28 ` [PATCH v2 1/3] " Sebastian Andrzej Siewior
2024-07-04 11:38 ` Alexander Lobakin
2024-07-04 12:19 ` Sebastian Andrzej Siewior
2024-07-05 12:02 ` Alexander Lobakin
2024-07-05 12:23 ` Sebastian Andrzej Siewior
2024-07-08 3:03 ` Sergey Senozhatsky
2024-07-08 3:32 ` Sergey Senozhatsky
2024-06-20 15:28 ` [PATCH v2 2/3] zram: Remove ZRAM_LOCK Sebastian Andrzej Siewior
2024-06-20 15:28 ` [PATCH v2 3/3] zram: Shrink zram_table_entry::flags Sebastian Andrzej Siewior
2024-07-04 9:39 ` Sergey Senozhatsky [this message]
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