linux-kernel - Re: [RFC][PATCH 3/3] x86: make MP a required-feature on 64-bit

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Message-ID: <20140620203507.GM11391@pd.tnic>
Date:	Fri, 20 Jun 2014 22:35:07 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Dave Hansen <dave@...1.net>, linux-kernel@...r.kernel.org,
	x86@...nel.org, Andi Kleen <ak@...ux.intel.com>,
	Dave Jones <davej@...hat.com>
Subject: Re: [RFC][PATCH 3/3] x86: make MP  a required-feature on 64-bit

On Fri, Jun 20, 2014 at 01:22:55PM -0700, H. Peter Anvin wrote:
> Because the whole point is testing each CPU and warn if it is
> unsuitable.
>
> static-anything is just plain useless, because we test this once for
> each CPU and patching a branch that we are never going to cross again
> is just wasted effort.

Ah, I see. :-)

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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