From: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
To: Rick Stevens <rstevens@vitalstream.com>, linux-kernel@vger.kernel.org
Subject: Re: 2.5.8-dj1 : arch/i386/kernel/smpboot.c error
Date: Wed, 17 Apr 2002 13:53:55 -0700 [thread overview]
Message-ID: <1831780000.1019076835@flay> (raw)
In-Reply-To: <3CBDCD8D.1090802@vitalstream.com>
>>>> Even though clustered_apic_mode is 0, the compiler still complains
>>>> about the second one and the first one doesn't depend on
>>>> clustered_apic_mode at all.
>>>>
>>> Hmmm ... not sure why the compiler complains about the second one,
>>> that's very strange ;-)
>>>
>>
>> I agree. The cpp ouput clealy shows
>>
>> if ((0) && (numnodes > 1)) {
>>
>> so I'm not sure why there's a problem.
>
> Is the thing generating the "(0)" a macro? If so, then the rules
#define clustered_apic_mode (0)
> of C and the "&&" operator say that "if the first is false, the
> second needn't even be evaluated".
That's what I would have thought.
But I don't think it's the second part that causes the warning,
it's the thing *inside* the if clause.
> Could that be what's causing the warning?
To my mind, that's why we should *not* be getting a warning ?
M.
next prev parent reply other threads:[~2002-04-17 19:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-16 2:19 2.5.8-dj1 : arch/i386/kernel/smpboot.c error Frank Davis
2002-04-17 2:47 ` Adam Kropelin
2002-04-17 4:59 ` Martin J. Bligh
2002-04-17 12:30 ` Adam Kropelin
2002-04-17 12:40 ` Adam Kropelin
2002-04-17 15:28 ` Martin J. Bligh
2002-04-17 19:17 ` Adam Kropelin
2002-04-17 19:31 ` Rick Stevens
2002-04-17 20:53 ` Martin J. Bligh [this message]
2002-04-17 20:40 ` Adam Kropelin
2002-04-17 21:17 ` Rick Stevens
2002-04-17 21:49 ` Adam Kropelin
2002-04-17 22:06 ` J.A. Magallon
2002-04-18 0:34 ` Martin J. Bligh
2002-04-18 2:16 ` Stevie O
2002-04-17 20:49 ` Martin J. Bligh
2002-04-17 22:56 ` Stevie O
2002-04-18 0:29 ` Martin J. Bligh
2002-04-21 13:37 ` [PATCH] " Brian Gerst
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