linux-kernel - Re: [PATCH v3 3/6] ANDROID: binder: improve priority inheritance.

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Message-ID: <20171115130341.bnyjytpdjnvqw637@hirez.programming.kicks-ass.net>
Date:   Wed, 15 Nov 2017 14:03:41 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Martijn Coenen <maco@...roid.com>
Cc:     gregkh@...uxfoundation.org, john.stultz@...aro.org,
        tkjos@...gle.com, arve@...roid.com, sherryy@...roid.com,
        tglx@...utronix.de, amit.pundir@...aro.org,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        maco@...gle.com
Subject: Re: [PATCH v3 3/6] ANDROID: binder: improve priority inheritance.

On Thu, Oct 26, 2017 at 04:07:47PM +0200, Martijn Coenen wrote:
> By raising the priority of a thread selected for
> a transaction *before* we wake it up.
> 
> Delay restoring the priority when doing a reply
> until after we wake-up the process receiving
> the reply.

What happens if a thread dies?