Re: [kvm-devel] performance with guests running 2.4 kernels (specifically RHEL3)

[Avi K. <av...@qu...>]

Avi Kivity wrote:
> Avi Kivity wrote:
>>
>> I asked fo this thinking bypass_guest_pf may help show more 
>> information.  But thinking a bit more, it will not.
>>
>> I think I do know what the problem is.  I will try it out.  Is there 
>> a free clone (like centos) available somewhere?
>
> This patch tracks down emulated accesses to speculated ptes and marks 
> them as accessed, preventing the flooding on centos-3.1.  
> Unfortunately it also causes a host oops midway through the boot process.
>
> I believe the oops is merely exposed by the patch, not caused by it.
>

It was caused by the patch, please try the updated one attached.

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