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RE: [Xen-ia64-devel] [Xen-devel] [PATCH]Make VTIdomain boot again

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Xu, Anthony" <anthony.xu@xxxxxxxxx>
Subject: RE: [Xen-ia64-devel] [Xen-devel] [PATCH]Make VTIdomain boot again
From: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Date: Thu, 9 Feb 2006 22:33:33 +0800
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Alex Williamson <alex.williamson@xxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
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Thread-topic: [Xen-ia64-devel] [Xen-devel] [PATCH]Make VTIdomain boot again
Keir Fraser wrote:
> On 9 Feb 2006, at 09:32, Xu, Anthony wrote:
>> Do_softirq is invoked at the path of ia64_leave_kernel instead of
>> being invoking in function irq_exit, which is aligned with XEN/X86
>> and avoids __enter_schedule being reentered. VTIdomain can boot
>> again after applying this patch. 
>> BTW, a small bug is fixed.
>> - (p6)       br.call.sptk.many b0=deliver_pending_interrupt
>> +(pUStk)     br.call.sptk.many b0=deliver_pending_interrupt
>> Since P6 is scratch register, after returning from
>> deliver_pending_interrupt, p6 may be changed. But p6 is also used by
>> subsequent code and should not be changed.
>> Signed-off-by Anthony Xu <anthony.xu@xxxxxxxxx>
> Should I check in this patch instead of your earlier one (which used
> xen_irq_exit instead or irq_exit?).
>   -- Keir
        This are 2 seperate one, so please check in both if possible.

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