From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "pbonzini@redhat.com" <pbonzini@redhat.com>,
"kas@kernel.org" <kas@kernel.org>,
"seanjc@google.com" <seanjc@google.com>
Cc: "jthoughton@google.com" <jthoughton@google.com>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"binbin.wu@linux.intel.com" <binbin.wu@linux.intel.com>,
"Li, Xiaoyao" <xiaoyao.li@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Zhao, Yan Y" <yan.y.zhao@intel.com>,
"sashiko-bot@kernel.org" <sashiko-bot@kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"linux-coco@lists.linux.dev" <linux-coco@lists.linux.dev>,
"ackerleytng@google.com" <ackerleytng@google.com>,
"Annapurve, Vishal" <vannapurve@google.com>
Subject: Re: [PATCH v2 0/3] KVM: TDX: Syntehsize SHUTDOWN on unhandled EPT Violation
Date: Wed, 30 Sep 2026 00:32:32 +0000 [thread overview]
Message-ID: <3c0ee89f560b0235f293b32019327186785aa795.camel@intel.com> (raw)
In-Reply-To: <20260930001127.3170009-1-seanjc@google.com>
On Tue, 2026-09-29 at 17:11 -0700, Sean Christopherson wrote:
> Signal SHUTDOWN instead of -EIO if the guest accesses an unaccepted page and
> has disabled EPT Violation #VEs on such accesses. Returning -EIO is all but
> guaranteed to mislead the VMM into thinking KVM (or the VMM) messed up, and
> will likely result in the VM being terminated instead of rebooted.
I'm pretty sure Yan had a test for this path, and I'd love to see it actually
exercised. What is the urgency on getting this fix upstream? Can we wait a week?
next prev parent reply other threads:[~2026-09-30 0:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 0:11 Sean Christopherson
2026-09-30 0:11 ` [PATCH v2 1/3] KVM: x86: Add a helper to prepare vcpu->run for a SHUTDOWN exit to userspace Sean Christopherson
2026-09-30 3:04 ` Binbin Wu
2026-09-30 0:11 ` [PATCH v2 2/3] KVM: TDX: Synthesize SHUTDOWN instead of returning -EIO on unhandled EPT violation Sean Christopherson
2026-09-30 4:58 ` Binbin Wu
2026-09-30 0:11 ` [PATCH v2 3/3] KVM: TDX: Ratelimit the "EPT Violation on pending acceptance page" warning Sean Christopherson
2026-09-30 5:01 ` Binbin Wu
2026-09-30 0:32 ` Edgecombe, Rick P [this message]
2026-09-30 0:55 ` [PATCH v2 0/3] KVM: TDX: Syntehsize SHUTDOWN on unhandled EPT Violation Sean Christopherson
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