linux-kernel - Re: [PATCH] x86: Don't use NOPL on 32-bit cpu's because not all systems support it.

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Message-ID: <20080916180022.5f57368b@lxorguk.ukuu.org.uk>
Date:	Tue, 16 Sep 2008 18:00:22 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux@...dersweb.net, the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] x86: Don't use NOPL on 32-bit cpu's because not all
 systems support it.

> Given that, we should either just rip this code out, or detect VPC 
> (how?).  The latter option can be done post-.27, of course; if so, we 

Make the user pass a "vpcworkarounds" boot option...

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