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From: Peter Zijlstra <peterz@infradead.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de,
	Ingo Molnar <mingo@redhat.com>,
	linux-mm@kvack.org, Shaohua Li <shli@kernel.org>,
	linux-raid@vger.kernel.org
Subject: Re: Introduce atomic_dec_and_lock_irqsave()
Date: Fri, 4 May 2018 17:54:46 +0200	[thread overview]
Message-ID: <20180504155446.GP12217@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180504154533.8833-1-bigeasy@linutronix.de>

On Fri, May 04, 2018 at 05:45:28PM +0200, Sebastian Andrzej Siewior wrote:
> This series introduces atomic_dec_and_lock_irqsave() and converts a few
> users to use it. They were using local_irq_save() +
> atomic_dec_and_lock() before that series.

Should not all these users be converted to refcount_t, and thus, should
we not introduce refcount_dec_and_lock_irqsave() instead?

  parent reply	other threads:[~2018-05-04 15:54 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-04 15:45 Introduce atomic_dec_and_lock_irqsave() Sebastian Andrzej Siewior
2018-05-04 15:45 ` [PATCH 1/5] spinlock: atomic_dec_and_lock: Add an irqsave variant Sebastian Andrzej Siewior
2018-06-04 10:25   ` [PATCH 1/5 v2] " Sebastian Andrzej Siewior
2018-06-04 10:25     ` Sebastian Andrzej Siewior
2018-06-04 10:27     ` [PATCH 1.5/5] alpha: atomic: provide asm for the fastpath for _atomic_dec_and_lock_irqsave Sebastian Andrzej Siewior
2018-06-04 11:48       ` Peter Zijlstra
2018-06-04 12:55         ` Sebastian Andrzej Siewior
2018-06-06 11:18         ` [PATCH 0.5/5] alpha: remove custom dec_and_lock() implementation Sebastian Andrzej Siewior
2018-06-06 11:21           ` Sebastian Andrzej Siewior
2018-06-06 11:59           ` Peter Zijlstra
2018-06-12 21:36             ` [tip:locking/urgent] alpha: Remove " tip-bot for Sebastian Andrzej Siewior
2018-05-04 15:45 ` [PATCH 2/5] mm/backing-dev: Use irqsave variant of atomic_dec_and_lock() Sebastian Andrzej Siewior
2018-05-04 15:45 ` [PATCH 3/5] kernel/user: " Sebastian Andrzej Siewior
2018-05-04 15:45 ` [PATCH 4/5] drivers/md/raid5: " Sebastian Andrzej Siewior
2018-05-04 15:45 ` [PATCH 5/5] drivers/md/raid5: Do not disable irq on release_inactive_stripe_list() call Sebastian Andrzej Siewior
2018-05-04 15:54 ` Peter Zijlstra [this message]
2018-05-04 16:07   ` Introduce atomic_dec_and_lock_irqsave() Sebastian Andrzej Siewior
2018-05-04 16:21     ` Peter Zijlstra
2018-05-04 16:26       ` Al Viro
2018-05-04 16:38         ` Peter Zijlstra
2018-05-23 13:02 ` Peter Zijlstra
2018-05-30  9:26   ` Sebastian Andrzej Siewior

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