linux-kernel - Re: [PATCH] KVM: nVMX: Fix IRQs inject to L2 which belong to L1 since race

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Date:	Mon, 07 Jul 2014 19:34:59 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Bandan Das <bsd@...hat.com>
CC:	Wanpeng Li <wanpeng.li@...ux.intel.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Gleb Natapov <gleb@...nel.org>,
	Hu Robert <robert.hu@...el.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: nVMX: Fix IRQs inject to L2 which belong to L1 since
 race

Il 07/07/2014 19:31, Bandan Das ha scritto:
>> >
>> > Which patch?  Yours or Bandan's?
> Why don't we hold off on Wanpeng's patch and instead apply the one I proposed
> to call check_nested_events() when checking for interrupt in inject_pending_event() ?

Exactly, yours seemed better to apply as a quick regression fix.

Can you post it as a toplevel patch, so that the commit message explains 
what's happening?  Perhaps add a comment in the code as well.

Paolo

> I think that will take care of https://bugzilla.kernel.org/show_bug.cgi?id=72381
> too. Once, we figure out what's causing hangs under certain conditions with his
> patch, we can apply that and revert this change.
>
>

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