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From: ebiederm@xmission.com (Eric W. Biederman)
To: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de,
	bigeasy@linutronix.de, paulmck@linux.vnet.ibm.com
Subject: Re: [PATCH v2 0/2] rtmutex wait_lock is irq safe
Date: Fri, 25 May 2018 15:02:41 -0500	[thread overview]
Message-ID: <877enrwljy.fsf@xmission.com> (raw)
In-Reply-To: <20180525090507.22248-1-anna-maria@linutronix.de> (Anna-Maria Gleixner's message of "Fri, 25 May 2018 11:05:05 +0200")

Anna-Maria Gleixner <anna-maria@linutronix.de> writes:

> Since commit b4abf91047cf ("rtmutex: Make wait_lock irq safe") the rtmutex
> wait_lock is irq safe. Therefore the irqsave/restore in kernel/signal is no
> longer required (see Patch 2/2). During discussions about v1 of this patch,
> Eric Biederman noticed, that there is a no longer valid rcu_read_unlock()
> documentation.
>
> Therefore sending a short queue: fixing first the documentation of
> rcu_read_unlock() and afterwards removing irqsave/restore in
> kernel/signal.

Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>

>
> v1..v2:
>
>  - Add new patch updating rcu documentation as suggested by Eric Biederman
>  - Udpate commit message of kernel/signal patch
>
> Thanks,
>
> 	Anna-Maria
>
>
> Anna-Maria Gleixner (2):
>   rcu: Update documentation of rcu_read_unlock()
>   signal: Remove no longer required irqsave/restore
>
>  include/linux/rcupdate.h |  4 +---
>  kernel/signal.c          | 24 +++++++-----------------
>  2 files changed, 8 insertions(+), 20 deletions(-)

      parent reply	other threads:[~2018-05-25 20:02 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-25  9:05 [PATCH v2 0/2] rtmutex wait_lock is irq safe Anna-Maria Gleixner
2018-05-25  9:05 ` [PATCH v2 1/2] rcu: Update documentation of rcu_read_unlock() Anna-Maria Gleixner
2018-05-25 14:19   ` Paul E. McKenney
2018-05-28  9:49     ` Anna-Maria Gleixner
2018-06-10  4:18   ` [tip:core/urgent] " tip-bot for Anna-Maria Gleixner
2018-05-25  9:05 ` [PATCH v2 2/2] signal: Remove no longer required irqsave/restore Anna-Maria Gleixner
2018-06-10  4:19   ` [tip:core/urgent] " tip-bot for Anna-Maria Gleixner
2018-05-25 20:02 ` Eric W. Biederman [this message]

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