From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Muli Ben-Yehuda <muli@il.ibm.com>
Cc: Borislav Petkov <bbpetkov@yahoo.de>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] unify DMA_..BIT_MASK definitions: v1
Date: Mon, 17 Sep 2007 23:01:21 -0700 [thread overview]
Message-ID: <46EF69B1.8020801@goop.org> (raw)
In-Reply-To: <20070918055803.GB4640@rhun.haifa.ibm.com>
Muli Ben-Yehuda wrote:
>> +#define DMA_64BIT_MASK DMA_BIT_MASK(64)
>>
>
> This one does not do what you mean. You need an explicit mask or a
> ~0ULL here.
Yeah, I was just about to comment on it. Its possible the compiler
might decide to shift by x%64 = 0.
J
next prev parent reply other threads:[~2007-09-18 6:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-18 4:29 [PATCH 0/2] unify DMA_..BIT_MASK definitions: v1 Borislav Petkov
2007-09-18 5:58 ` Muli Ben-Yehuda
2007-09-18 6:01 ` Jeremy Fitzhardinge [this message]
2007-09-18 6:08 ` Borislav Petkov
2007-09-18 6:16 ` Satyam Sharma
2007-09-18 6:34 ` Borislav Petkov
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