linux-kernel - Re: [PATCH] bitops: Add missing parentheses to new get

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Message-Id: <201202241510.52609.arnd@arndb.de>
Date:	Fri, 24 Feb 2012 15:10:52 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Joerg Roedel <joerg.roedel@....com>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	David Howells <dhowells@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] bitops: Add missing parentheses to new get_order macro

On Friday 24 February 2012, Joerg Roedel wrote:
>         d66acc39c7cee323733c8503b9de1821a56dff7e
> 
> does not use parentheses around all uses of the parameter n.
> This causes new compile warnings, for example in the
> amd_iommu_init.c function:
> 
> drivers/iommu/amd_iommu_init.c:561:6: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]
> drivers/iommu/amd_iommu_init.c:561:6: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]
> 
> Fix those warnings by adding the missing parentheses.
> 
> Reported-by: Ingo Molnar <mingo@...e.hu>
> Cc: Ingo Molnar <mingo@...e.hu>
> Cc: David Howells <dhowells@...hat.com>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: H. Peter Anvin <hpa@...or.com>
> Signed-off-by: Joerg Roedel <joerg.roedel@....com>

Acked-by: Arnd Bergmann <arnd@...db.de>
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