From: Jamie Lokier <jamie@shareable.org>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: "Randy.Dunlap" <rddunlap@osdl.org>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: asm (lidt) question
Date: Tue, 22 Jul 2003 18:27:22 +0100 [thread overview]
Message-ID: <20030722172722.GC3267@mail.jlokier.co.uk> (raw)
In-Reply-To: <Pine.LNX.4.55.0307171615580.4845@bigblue.dev.mcafeelabs.com>
Davide Libenzi wrote:
> IMHO, since "var" is really an output parameter.
"var" is read, not written.
I think you are confusing "lidt" with "sidt".
Therefore
> __asm__ __volatile__("lidt %0": :"m" (var));
is the better choice, and that's why I wrote it in reboot.c :)
-- Jamie
next prev parent reply other threads:[~2003-07-22 17:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-17 22:28 Randy.Dunlap
2003-07-17 22:36 ` Davide Libenzi
2003-07-17 23:18 ` Davide Libenzi
2003-07-17 23:31 ` Randy.Dunlap
2003-07-17 23:36 ` Davide Libenzi
2003-07-22 17:27 ` Jamie Lokier [this message]
2003-07-22 17:31 ` Davide Libenzi
2003-07-22 17:50 ` Richard B. Johnson
2003-07-22 17:54 ` Davide Libenzi
2003-07-22 18:58 ` Randy.Dunlap
2003-07-22 18:58 ` Davide Libenzi
2003-07-22 19:04 ` Randy.Dunlap
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