From: Sean Christopherson <seanjc@google.com>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
syzbot+988d9efcdf137bc05f66@syzkaller.appspotmail.com,
Zheyu Ma <zheyuma97@gmail.com>,
Kishen Maloor <kishen.maloor@intel.com>
Subject: Re: [PATCH] KVM: x86: Forcibly leave nested if RSM to L2 hits shutdown
Date: Mon, 9 Sep 2024 21:56:30 -0700 [thread overview]
Message-ID: <172594250394.1552483.14960866497505256647.b4-ty@google.com> (raw)
In-Reply-To: <20240906161337.1118412-1-seanjc@google.com>
On Fri, 06 Sep 2024 09:13:37 -0700, Sean Christopherson wrote:
> Leave nested mode before synthesizing shutdown (a.k.a. TRIPLE_FAULT) if
> RSM fails when resuming L2 (a.k.a. guest mode). Architecturally, shutdown
> on RSM occurs _before_ the transition back to guest mode on both Intel and
> AMD.
>
> On Intel, per the SDM pseudocode, SMRAM state is loaded before critical
> VMX state:
>
> [...]
Applied to kvm-x86 misc, thanks!
[1/1] KVM: x86: Forcibly leave nested if RSM to L2 hits shutdown
https://github.com/kvm-x86/linux/commit/3f6821aa147b
--
https://github.com/kvm-x86/linux/tree/next
prev parent reply other threads:[~2024-09-10 4:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-06 16:13 Sean Christopherson
2024-09-06 18:30 ` Maxim Levitsky
2024-09-10 4:56 ` Sean Christopherson [this message]
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