linux-kernel - Re: [RFC PATCH 3/3] Convert mce

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Date:	Fri, 12 Oct 2012 13:56:28 +0200
From:	Borislav Petkov <bp@...64.org>
To:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Cc:	Tony Luck <tony.luck@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <borislav.petkov@....com>
Subject: Re: [RFC PATCH 3/3] Convert mce_disabled

On Fri, Oct 12, 2012 at 04:20:40PM +0530, Naveen N. Rao wrote:
> Hi Boris, Thanks for getting to this before I could!

Ah ok, I thought you wasn't interested in doing this anymore :).

> I had a look but I still feel boolean is a better way to go. With
> bool, we can get rid of the #defines above and more importantly, the
> aux field in dev_ext_attribute since that is used in other places
> too. Further, I suspect we'll still end up using the same or less
> memory since we don't have that many boolean members within the MCA
> code.

My main intention was to have all those in a single struct and use a
single store_bit/show_bit function.

Sure, you can do bools but this'll still be single variables spread
around in mce.c instead of one single struct mca_config which nicely
encapsulates all the configuration we do in the MCA code.

Or, you can modify the mca_config I have there and use bools and pass a
pointer to each actual bool member in each DEVICE_BIT_ATTR invocation
(and rename it to DEVICE_BOOL_ATTR). Yeah, that could work, unless I'm
missing something else, of course.

Thanks.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
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