linux-kernel - Re: Using random in interrupts for RT

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Message-ID: <alpine.LFD.2.02.1208141716170.32033@ionos>
Date:	Tue, 14 Aug 2012 17:17:07 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Steven Rostedt <rostedt@...dmis.org>
cc:	LKML <linux-kernel@...r.kernel.org>,
	Ben Hutchings <ben@...adent.org.uk>,
	RT <linux-rt-users@...r.kernel.org>
Subject: Re: Using random in interrupts for RT

On Tue, 14 Aug 2012, Steven Rostedt wrote:
> Ben Hutchings asked me if we still need "genirq: Disable random call on
> preempt-rt" for -rt? With commit 902c098a366 "random: use lockless
> techniques in the interrupt path" there is no more locks used. But does
> it still produce high latencies?

Haven't tested it. Will put it on my ever growing todo list....
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