From: "Maciej W. Rozycki" <macro@linux-mips.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
mingo@elte.hu, torvalds@linux-foundation.org
Subject: Re: Looks broken to me: x86, cyrix: debug
Date: Sat, 11 Oct 2008 21:52:18 +0100 (BST) [thread overview]
Message-ID: <alpine.LFD.1.10.0810112146400.1984@ftp.linux-mips.org> (raw)
In-Reply-To: <20081011214043.283a3330@lxorguk.ukuu.org.uk>
On Sat, 11 Oct 2008, Alan Cox wrote:
> > +#define getCx86_old(reg) ({ outb((reg), 0x22); inb(0x23); })
>
> Doesn't expand to any kind of returned value.
Well, actually it returns the value of the inb() expression -- cf the
semantics of compound statements. The rest looks suspicious indeed.
Maciej
next prev parent reply other threads:[~2008-10-11 20:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200810112003.m9BK3Wwu025556@hera.kernel.org>
2008-10-11 20:40 ` Looks broken to me: x86, cyrix: debug Alan Cox
2008-10-11 20:52 ` Maciej W. Rozycki [this message]
2008-10-11 20:58 ` Ingo Molnar
2008-10-11 22:48 ` Willy Tarreau
2008-10-11 22:55 ` Maciej W. Rozycki
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