From: Jeff Garzik <jgarzik@pobox.com>
To: "Bagalkote, Sreenivas" <sreenib@lsil.com>
Cc: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
"'linux-scsi@vger.kernel.org'" <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH][RELEASE] megaraid 2.10.2 Driver
Date: Fri, 16 Apr 2004 22:15:18 -0400 [thread overview]
Message-ID: <40809336.2060302@pobox.com> (raw)
In-Reply-To: <0E3FA95632D6D047BA649F95DAB60E570230C77B@exa-atlanta.se.lsil.com>
Bagalkote, Sreenivas wrote:
>>>ummmm what??? uxferaddr is u32. why are you casting it to a pointer?
>
>
> Both copy_to_user and copy_from_user take pointers, don't they?
Yes, but consider on x86-64 a native pointer is _always_ 32-bit,
therefore the interface is broken if it assumes the input pointer is 32
bits.
Jeff
next prev parent reply other threads:[~2004-04-17 2:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-23 0:02 [PATCH][RELEASE] megaraid 2.10.2 Driver Bagalkote, Sreenivas
2004-03-23 0:45 ` Matthew Wilcox
2004-03-23 6:27 ` Christoph Hellwig
2004-03-23 13:30 ` Matthew Wilcox
2004-03-23 13:36 ` Christoph Hellwig
[not found] ` <20040324061553.GA13681@logos.cnet>
2004-03-24 20:39 ` Marcelo Tosatti
2004-04-17 2:15 ` Jeff Garzik [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-03-23 16:00 Bagalkote, Sreenivas
2004-03-22 22:56 Bagalkote, Sreenivas
2004-03-22 23:07 ` Jeff Garzik
2004-03-23 8:12 ` Arjan van de Ven
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