linux-kernel - Re: [PATCH 3/10] I386 mcheck p4 grotesque and needless warning fix.patch

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Date:	Tue, 10 Apr 2007 10:06:09 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Zachary Amsden <zach@...are.com>
CC:	Andrew Morton <akpm@...l.org>, Andi Kleen <ak@....de>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Chris Wright <chrisw@...s-sol.org>,
	Virtualization Mailing List <virtualization@...ts.osdl.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/10] I386 mcheck p4 grotesque and needless warning fix.patch

Zachary Amsden wrote:
> No, just no.  You do not use goto to skip a code block.  You do not
> return an obvious variable from a singly-inlined function and give
> the function a return value.  You don't put unexplained comments
> about kmalloc in code which doesn't do dynamic allocation.  And
> you don't leave stray warnings around for no good reason.
> 
> Also, when possible, it is better to use block scoped variables
> because gcc can sometime generate better code.
> 
> Signed-off-by: Zachary Amsden <zach@...are.com>
> 
> diff -r ed741f57dae8 arch/i386/kernel/cpu/mcheck/p4.c
> --- a/arch/i386/kernel/cpu/mcheck/p4.c	Fri Apr 06 14:29:52 2007 -0700
> +++ b/arch/i386/kernel/cpu/mcheck/p4.c	Fri Apr 06 14:43:24 2007 -0700
> @@ -124,12 +124,9 @@ static void intel_init_thermal(struct cp
>  
>  
>  /* P4/Xeon Extended MCE MSR retrieval, return 0 if unsupported */
> -static inline int intel_get_extended_msrs(struct intel_mce_extended_msrs *r)
> +static inline void intel_get_extended_msrs(struct intel_mce_extended_msrs *r)
>  {

The comment needs fixing.


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