From: John Allen <john.allen@amd.com>
To: Sean Christopherson <seanjc@google.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
x86@kernel.org, pbonzini@redhat.com, dave.hansen@intel.com,
rick.p.edgecombe@intel.com, mlevitsk@redhat.com,
weijiang.yang@intel.com, chao.gao@intel.com, bp@alien8.de,
dave.hansen@linux.intel.com, hpa@zytor.com, mingo@redhat.com,
tglx@linutronix.de, thomas.lendacky@amd.com
Subject: Re: [PATCH v4 0/5] Enable Shadow Stack Virtualization for SVM
Date: Mon, 15 Sep 2025 09:52:08 -0500 [thread overview]
Message-ID: <aMgoGLL65vUPGYW0@AUSJOHALLEN.amd.com> (raw)
In-Reply-To: <aMSkp7e7IryG2ZAj@google.com>
On Fri, Sep 12, 2025 at 03:54:31PM -0700, Sean Christopherson wrote:
> On Mon, Sep 08, 2025, John Allen wrote:
> > This series adds support for shadow stack in SVM guests
> ^
> |
> some
>
> I mean, who cares about nested, right?
>
> Sorry for being snippy, but I am more than a bit peeved that we're effectively
> on revision 6 of this series, and apparently no one has thought to do even basic
> tested of nested SVM.
Hi Sean,
I have been testing nested with this feature (or so I thought). Can you
explain what you did to test and what wasn't working?
Apologies, and thanks for taking the time to look into the problem.
Thanks,
John
next prev parent reply other threads:[~2025-09-15 14:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-08 20:17 [PATCH v4 0/5] Enable Shadow Stack Virtualization for SVM John Allen
2025-09-08 20:17 ` [PATCH v4 1/5] KVM: x86: SVM: Emulate reads and writes to shadow stack MSRs John Allen
2025-09-12 22:55 ` Sean Christopherson
2025-09-08 20:17 ` [PATCH v4 2/5] KVM: x86: SVM: Update dump_vmcb with shadow stack save area additions John Allen
2025-09-08 20:17 ` [PATCH v4 3/5] KVM: x86: SVM: Pass through shadow stack MSRs John Allen
2025-09-08 20:17 ` [PATCH v4 4/5] KVM: SVM: Add MSR_IA32_XSS to the GHCB for hypervisor kernel John Allen
2025-09-10 21:24 ` Sean Christopherson
2025-09-11 15:23 ` John Allen
2025-09-08 20:17 ` [PATCH v4 5/5] KVM: SVM: Enable shadow stack virtualization for SVM John Allen
2025-09-12 22:54 ` [PATCH v4 0/5] Enable Shadow Stack Virtualization " Sean Christopherson
2025-09-15 14:52 ` John Allen [this message]
2025-09-15 16:46 ` Sean Christopherson
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