linux-kernel - Re: [PATCH] kernel/signal: Remove no longer required irqsave/restore

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Message-ID: <20180504170459.624e7vkro5fn2bgw@linutronix.de>
Date:   Fri, 4 May 2018 19:04:59 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        "Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
        Anna-Maria Gleixner <anna-maria@...utronix.de>
Subject: Re: [PATCH] kernel/signal: Remove no longer required irqsave/restore

On 2018-05-04 11:59:08 [-0500], Eric W. Biederman wrote:
> Sebastian Andrzej Siewior <bigeasy@...utronix.de> writes:
> > From: Anna-Maria Gleixner <anna-maria@...utronix.de>
…
> > This long-term fix has been made in commit 4abf91047cf ("rtmutex: Make >
> > wait_lock irq safe") for different reason.
> 
> Which tree has this change been made in?  I am not finding the commit
> you mention above in Linus's tree.

I'm sorry, it should have been commit b4abf91047cf ("rtmutex: Make
wait_lock irq safe").

> > Therefore revert commit a841796f11c9 ("signal: align >
> > __lock_task_sighand() irq disabling and RCU") as the interrupt disable
> > dance is not longer required.
> 
> Which tree is change aimed at?

tip -> Linus' tree

> Eric

Sebastian