linux-kernel - Re: [PATCH 5/5] x86, MCA: Finish mca

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Date:	Wed, 17 Oct 2012 07:11:35 -0700
From:	Joe Perches <joe@...ches.com>
To:	Borislav Petkov <bp@...64.org>
Cc:	Tony Luck <tony.luck@...el.com>,
	Greg Kroah-Hartman <greg@...ah.com>,
	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <borislav.petkov@....com>
Subject: Re: [PATCH 5/5] x86, MCA: Finish mca_config conversion

On Wed, 2012-10-17 at 13:13 +0200, Borislav Petkov wrote:
> mce_ser, mce_bios_cmci_threshold and mce_disabled are the last three
> bools which need conversion. Move them to the mca_config struct and
> adjust usage sites accordingly.
[]
> diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
[]
> @@ -1009,6 +1004,7 @@ static void mce_clear_info(struct mce_info *mi)
>   */
>  void do_machine_check(struct pt_regs *regs, long error_code)
>  {
> +	struct mca_config *cfg = &mca_cfg;

trivia:

Why use cfg?
This indirection and the cfg-> uses just seem obfuscating.
Isn't mca_cfg. used everywhere else?
No line wrapping is saved by indirecting.

> @@ -1036,7 +1032,7 @@ void do_machine_check(struct pt_regs *regs, long error_code)
>  
>  	this_cpu_inc(mce_exception_count);
>  
> -	if (!mca_cfg.banks)
> +	if (!cfg->banks)



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