From: Mark Lord <liml@rtr.ca>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jeff Garzik <jgarzik@pobox.com>, Tejun Heo <htejun@gmail.com>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: [PATCH] libata-core Use more robust parsing for multi_count
Date: Wed, 18 Mar 2009 11:06:36 -0400 [thread overview]
Message-ID: <49C10DFC.2070206@rtr.ca> (raw)
In-Reply-To: <20090318143230.2b64e273@lxorguk.ukuu.org.uk>
Alan Cox wrote:
>> + switch (dev->id[59] & 0xff) {
>
> Umm surely...
>
> if (n & (n - 1))
..
????
Eg. for n = 5: (5 & 4) == "true", but not a power of two.
????
next prev parent reply other threads:[~2009-03-18 15:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-18 14:26 [PATCH] libata-core Use more robust parsing for multi_count Mark Lord
2009-03-18 14:32 ` Alan Cox
2009-03-18 15:06 ` Mark Lord [this message]
2009-03-18 15:13 ` Mark Lord
2009-03-18 17:09 ` Alan Cox
2009-03-18 15:58 ` Mark Lord
2009-03-18 16:18 ` [PATCH] libata-core More robust parsing for multi_count(v3) Mark Lord
2009-03-18 16:24 ` Mark Lord
2009-03-19 0:23 ` Tejun Heo
2009-03-19 0:25 ` Tejun Heo
2009-03-19 17:30 ` [PATCH] libata-core More robust parsing for multi_count(v4) Mark Lord
2009-03-19 17:32 ` [PATCH] libata-core More robust parsing for multi_count(v5) Mark Lord
2009-03-19 23:33 ` Tejun Heo
2009-03-20 3:37 ` Mark Lord
2009-03-20 13:13 ` Mark Lord
2009-03-20 13:14 ` Mark Lord
2009-03-20 14:07 ` Alan Cox
2009-03-20 15:36 ` Mark Lord
2009-03-20 23:14 ` Tejun Heo
2009-03-21 0:54 ` Jeff Garzik
2009-03-21 2:17 ` Tejun Heo
2009-03-21 13:54 ` Mark Lord
2009-03-21 14:02 ` Alan Cox
2009-03-21 14:59 ` Mark Lord
2009-03-20 13:38 ` Alan Cox
2009-04-12 15:10 ` Mark Lord
2009-04-12 15:18 ` Alan Cox
2009-04-12 15:31 ` Jeff Garzik
2009-03-25 2:40 ` Jeff Garzik
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