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[Xen-ia64-devel] Re: [Patch] Stop all cpus at panic time (take 2)

from [Alex Williamson]

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To:	Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Subject:	[Xen-ia64-devel] Re: [Patch] Stop all cpus at panic time (take 2)
From:	Alex Williamson <alex.williamson@xxxxxx>
Date:	Tue, 11 Dec 2007 12:12:12 -0700
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On Tue, 2007-12-11 at 21:42 +0900, Akio Takebe wrote:
> Hi,
> 
> Current panic() of hypervisor doesn't stop all cpus.
> So domains can work after hypervisor panic.
> (but this issue happens at only using noreboot option)
> If dom0 works after Hypervisor panic,
> the system may get a serious problem.
> 
> This patch fix the issue.
> 
> Changelog:
>  - I choosed cpu_halt() to stop other cpus by smp_send_stop().
>    I think it should work fine for kexec.
>    machine_halt() is only spinloop for leaving the panic CallTrace.
>    What do you think about it, Horms and Alex?

   Looks good to me, I was hoping cpu_halt() would work.  Applied.
Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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