Re: [Xen-devel] [RFC v4 0/2] x86/xen: add xen hypercall preemption

From: David Vrabel
Date: Fri Jan 23 2015 - 06:51:18 EST


On 23/01/15 00:29, Luis R. Rodriguez wrote:
> From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx>
>
> This v4 addresses some of the cleanups recommended and adds
> tracing option for when we do actually preempt a hypercall.
> I kept the NOKPROBE_SYMBOL() for now but did remove the 'notrace'
> stuff.
>
> This goes out as RFC still as I have not been able to test 32-bit.
> Can anyone test that or at least confirm that the 32-bit point
> we do the upcall is definitely not on the IRQ stack?

You can omit fixing this for 32-bit guests (provided you note as such in
the commit message).

David
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