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Message-ID: <ZuCFPIbLl9-AeXUb@google.com>
Date: Tue, 10 Sep 2024 10:43:24 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Nathan Chancellor <nathan@...nel.org>
Cc: Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
Chao Gao <chao.gao@...el.com>, Zeng Guang <guang.zeng@...el.com>
Subject: Re: [PATCH v2 0/7] KVM: nVMX: Fix IPIv vs. nested posted interrupts
On Tue, Sep 10, 2024, Nathan Chancellor wrote:
> On Mon, Sep 09, 2024 at 09:56:42PM -0700, Sean Christopherson wrote:
> > On Thu, 05 Sep 2024 21:34:06 -0700, Sean Christopherson wrote:
> > > Fix a bug where KVM injects L2's nested posted interrupt into L1 as a
> > > nested VM-Exit instead of triggering PI processing. The actual bug is
> > > technically a generic nested posted interrupts problem, but due to the
> > > way that KVM handles interrupt delivery, the issue is mostly limited to
> > > to IPI virtualization being enabled.
> > >
> > > Found by the nested posted interrupt KUT test on SPR.
> > >
> > > [...]
> >
> > Trying this again, hopefully with less awful testing this time...
>
> I meant to reply yesterday but I guess I lost track of time. This passed
> my testing on all my machines, so it is not as bad as last time :)
Mission Suck Less Accomplished!
Thanks much!
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