linux-kernel - Re: [PATCH] x86, mce: disable MCE if cpu has no MCE banks

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Message-ID: <adar5sns8f8.fsf@cisco.com>
Date:	Wed, 28 Oct 2009 11:03:07 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	Mike Travis <travis@....com>
Cc:	Andi Kleen <ak@...ux.intel.com>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	x86@...nel.org
Subject: Re: [PATCH] x86, mce: disable MCE if cpu has no MCE banks


 > > But would we want to accumulate all the different combinations of banks
 > > along with a CPU mask and then print something like:
 > >
 > >  CPUs 0 4: MCA banks CMCI:2 CMCI:3 CMCI:5 CMCI:6 SHD:8
 > >  CPUs 1 2 3 5 6 7: MCA banks CMCI:2 CMCI:3 CMCI:5 SHD:6 SHD:8
 > >  CPUs 8 9 10 11 12 13 14 15: MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8
 > 
 > Or use a cpumask and cpulist_scnprintf which condenses the cpu list nicely.

Thanks!  I didn't know about that API.

However with that said I think the real issue is whether that style of
output is a good idea, no matter how nicely the CPU list is formatted :)

 - R.
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