linux-kernel - RE: [PATCH 2/3] [SCSI] mvsas: fix shift in mvs_94xx_free_reg

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Message-ID: <F766E4F80769BD478052FB6533FA745D25EA94A704@SC-VEXCH4.marvell.com>
Date:	Thu, 15 Nov 2012 23:39:47 -0800
From:	Xiangliang Yu <yuxiangl@...vell.com>
To:	Xi Wang <xi.wang@...il.com>
CC:	James Bottomley <James.Bottomley@...senPartnership.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 2/3] [SCSI] mvsas: fix shift in mvs_94xx_free_reg_set()

Hi, Xi

> > About patch 3, I check the ffz code and found it will check ~0 conditions.
> 
> Can you point me to the ~0 check in ffz code?  I also feel like using
> __ffs64 makes the code simpler.
Yes, it seem to be ok

> 
> Does patch 1 look good to you?  Thanks.
> 
Yes

Thanks!

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