linux-kernel - Re: [PATCH 3/3] drivers/scsi/NCR5380.c: Replacing yield() with a better alternative

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Message-Id: <1160589175.16513.58.camel@localhost.localdomain>
Date:	Wed, 11 Oct 2006 18:52:55 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Amol Lad <amol@...ismonetworks.com>
Cc:	linux kernel <linux-kernel@...r.kernel.org>,
	James.Bottomley@...eleye.com,
	kernel Janitors <kernel-janitors@...ts.osdl.org>
Subject: Re: [PATCH 3/3] drivers/scsi/NCR5380.c: Replacing yield() with a
	better alternative

Ar Mer, 2006-10-11 am 18:24 +0530, ysgrifennodd Amol Lad:
> For this driver schedule_timeout_schedule() seems to be a better
> alternative. 
> 
> *Please see if the function should be called with 1 jiffy delay or more
> is better*

You want cond_resched() for this driver as its polling the hardware for
a change that should occur very soon. (Actually you want to throw the
hardware in the bin)

Alan

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