From: Kalle Valo <kvalo@codeaurora.org>
To: b43-dev@lists.infradead.org
Subject: [1/2] b43: Remove unnecessary synchronize_irq() before free_irq()
Date: Thu, 25 Feb 2016 10:00:49 +0000 (UTC) [thread overview]
Message-ID: <20160225100049.E2EFC6089C@smtp.codeaurora.org> (raw)
In-Reply-To: <1454964073-25108-1-git-send-email-lars@metafoo.de>
> Calling synchronize_irq() right before free_irq() is quite useless. On one
> hand the IRQ can easily fire again before free_irq() is entered, on the
> other hand free_irq() itself calls synchronize_irq() internally (in a race
> condition free way), before any state associated with the IRQ is freed.
>
> Patch was generated using the following semantic patch:
> // <smpl>
> @@
> expression irq;
> @@
> -synchronize_irq(irq);
> free_irq(irq, ...);
> // </smpl>
>
> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Thanks, 2 patches applied to wireless-drivers-next.git:
10fbc7cf031d b43: Remove unnecessary synchronize_irq() before free_irq()
400b43c58269 rtlwifi: Remove unnecessary synchronize_irq() before free_irq()
Kalle Valo
next prev parent reply other threads:[~2016-02-25 10:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-08 20:41 [PATCH 1/2] b43: Remove unnecessary synchronize_irq() before free_irq() Lars-Peter Clausen
2016-02-08 20:41 ` [PATCH 2/2] rtlwifi: " Lars-Peter Clausen
2016-02-08 21:44 ` Larry Finger
2016-02-08 21:44 ` Larry Finger
2016-02-08 22:22 ` [PATCH 1/2] b43: " Michael Büsch
2016-02-08 22:22 ` Michael Büsch
2016-02-25 10:00 ` Kalle Valo [this message]
2016-02-25 10:00 ` [1/2] " Kalle Valo
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