linux-kernel - Re: [patch 2.6.19-rc6] Stop gcc 4.1.0 optimizing wait_hpet

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Message-ID: <jehcwflrv4.fsf@sykes.suse.de>
Date:	Fri, 01 Dec 2006 13:31:43 +0100
From:	Andreas Schwab <schwab@...e.de>
To:	davids@...master.com
Cc:	<mrmacman_g4@....com>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: [patch 2.6.19-rc6] Stop gcc 4.1.0 optimizing wait_hpet_tick away

"David Schwartz" <davids@...master.com> writes:

> The problem is that '*(volatile unsigned int *)' results in a 'volatile
> unsigned int'.

No, it doesn't.  Values don't have qualifiers, only objects have.
Qualifiers on rvalues are meaningless.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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