linux-kernel - Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IPI_mask

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Message-ID: <20080822111301.GA2321@x200.localdomain>
Date:	Fri, 22 Aug 2008 15:13:01 +0400
From:	adobriyan@...il.com
To:	Andi Kleen <andi@...stfloor.org>
Cc:	"H. Peter Anvin" <hpa@...nel.org>, Dave Jones <davej@...hat.com>,
	Vegard Nossum <vegard.nossum@...il.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123	send_IPI_mask_bitmask+0xc3/0xe0()

On Fri, Aug 22, 2008 at 04:28:41AM +0200, Andi Kleen wrote:
> > You may want to see if this patch fixes the problem; it does *NOT* have 
> > the correct error behaviour (some of the intervening layers don't 
> > propagate errors), but it should make the fault go away.
> 
> The alternative would be to just take out those msr_on_cpu() 
> interfaces again. Right now they are useless in the kernel,
> but still cause problems.
> 
> They were only added for OpenVZ's vCPUs which they back then
> promised me would hit mainline soon.

There were no such promises made. Reread thread.

> But that was some time  ago and there wasn't much progress on this.

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