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: <200809161350.31521.linux@sandersweb.net>
Date:	Tue, 16 Sep 2008 13:50:30 -0400
From:	David Sanders <linux@...dersweb.net>
To:	linux-kernel@...r.kernel.org
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	"H. Peter Anvin" <hpa@...or.com>,
	the arch/x86 maintainers <x86@...nel.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.

On Tuesday 16 September 2008 13:00, Alan Cox wrote:
> > 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...
Actually, you can pass noreplace-paravirt, but that is non-obvious to the 
regular user.
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