Re: [PATCH] kvm/ppc: interrupt disabling fixes

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On Tue, 2013-05-07 at 13:58 -0500, Scott Wood wrote:
> This will have to wait until book3s_hv disables interrupts as well.  If  
> this does eventually happen, then the  
> local_irq_enable()/kvmppc_lazy_ee_enable() should also probably go into  
> kvmppc_prepare_to_enter() -- though that could cause problems in  
> book3s_pr, if it's depending on the kvmppc_lazy_ee_enable() happening  
> as late as it does.

Is book3s calling prepare_to_enter at all ? It has its own things with
no interrupt disabling which afaik is racy vs. checking for signals & resched...

(CC'ing Paul).

BTW. Linus just pulled my tree which contains my changed to hard_irq_disable()
to do the trace_hardirqs_off() when neeed.

Cheers,
Ben.


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