linux-kernel - Re: [PATCH 4/4] x86: Replace xxx_pda() operations with x86_xx

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Message-ID: <484DBCE7.9030008@goop.org>
Date:	Tue, 10 Jun 2008 00:29:43 +0100
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Christoph Lameter <clameter@....com>
CC:	Mike Travis <travis@....com>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <dada1@...mosbay.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] x86: Replace xxx_pda() operations with x86_xx_percpu().

Christoph Lameter wrote:
> Paravirt support is on. We have seen an issue with that in the past. Why 
> was that again?
>   

I'm not aware of any paravirt-related percpu bugs (other than the fact 
that the last major revision of per-cpu variables was done under the 
aegis of paravirt-ops).

But booting on bare hardware with pvops enabled should be exactly the 
same as non-pvops with respect to percpu.

    J
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