linux-kernel - Re: [PATCH v3 1/1] Input: serio

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Message-ID: <1350552439.3072.65.camel@joe-AO722>
Date:	Thu, 18 Oct 2012 02:27:19 -0700
From:	Joe Perches <joe@...ches.com>
To:	Mischa Jonker <Mischa.Jonker@...opsys.com>
Cc:	"dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
	"m.d.s.x.jonker@...il.com" <m.d.s.x.jonker@...il.com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"arc-linux-dev@...opsys.com" <arc-linux-dev@...opsys.com>
Subject: Re: [PATCH v3 1/1] Input: serio - Add ARC PS/2 driver

On Thu, 2012-10-18 at 09:05 +0000, Mischa Jonker wrote:
> Hi Joe,
> 
> >> +	while (1) {
> >infinite loop with bad hardware?
> >Perhaps a jiffies timeout?
> 
> What do you suggest? Add a counter and limit the maximum number of iterations to an arbitrary number (say 1000)?

Yes, something like that.
Or something like:

	unsigned long timeout = jiffies + somevalue;
	while (time_before(jiffies, timeout) {
		etc...
	}

cheers, Joe

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