From: "Yang, Weijiang" <weijiang.yang@intel.com>
To: Mike Rapoport <rppt@kernel.org>
Cc: <seanjc@google.com>, <pbonzini@redhat.com>,
<peterz@infradead.org>, <john.allen@amd.com>,
<kvm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<rick.p.edgecombe@intel.com>
Subject: Re: [PATCH v2 00/21] Enable CET Virtualization
Date: Sun, 23 Apr 2023 13:37:24 +0800 [thread overview]
Message-ID: <b9d8632d-7b42-58bf-5849-0291909f3819@intel.com> (raw)
In-Reply-To: <ZEMGA2uUfpJL4rMH@kernel.org>
On 4/22/2023 5:54 AM, Mike Rapoport wrote:
> Hi,
>
> On Fri, Apr 21, 2023 at 09:45:54AM -0400, Yang Weijiang wrote:
>> [...]
>>
>> [1]: linux-next: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/?h=next-20230420
>> [2]: QEMU patch: https://lore.kernel.org/all/20230421041227.90915-1-weijiang.yang@intel.com/
>> [3]: v1 patchset: https://lore.kernel.org/all/20220616084643.19564-1-weijiang.yang@intel.com/
>> [4]: Rebase branch: https://github.com/kvm-x86/linux.git, commit: 7b632f72528d (tag: kvm-x86-next-2023.04.14)
>
> I played a bit with KVM support for shadow stacks on AMD machines and I
> rebased v1 patches along with John's SVM series
>
> https://lore.kernel.org/kvm/20221012203910.204793-1-john.allen@amd.com/
>
> on top of v6.3-rc4 and Rick's series for host shadow stack support. I've
> put this at
>
> https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/log/?h=shstk/kvm
>
> if anybody is interested. With this I could successfully run shadow stack
> self test in a guest on an AMD Zen3 machine.
>
> One thing I've noticed while rebasing is that John's patches move
> cet_is_msr_accessible() from vmx/ to x86.c and I also had to make such move
> for cet_is_ssp_msr_accessible().
>
> Would make sense to have them available for both VMX and SVM from the
> start.
Hi, Mike,
Yes, it makes sense to do so. I'll include the change in next version so
that John's patchset can
omit the work, thanks!
[...]
next prev parent reply other threads:[~2023-04-23 5:37 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-21 13:45 Yang Weijiang
2023-04-21 13:45 ` [PATCH v2 01/21] x86/shstk: Add Kconfig option for shadow stack Yang Weijiang
2023-04-21 13:45 ` [PATCH v2 02/21] x86/cpufeatures: Add CPU feature flags for shadow stacks Yang Weijiang
2023-04-21 13:45 ` [PATCH v2 03/21] x86/cpufeatures: Enable CET CR4 bit for shadow stack Yang Weijiang
2023-04-21 13:45 ` [PATCH v2 04/21] x86/fpu/xstate: Introduce CET MSR and XSAVES supervisor states Yang Weijiang
2023-04-21 13:45 ` [PATCH v2 05/21] x86/fpu: Add helper for modifying xstate Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 06/21] KVM:x86: Report XSS as to-be-saved if there are supported features Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 07/21] KVM:x86: Refresh CPUID on write to guest MSR_IA32_XSS Yang Weijiang
2023-04-24 1:38 ` Binbin Wu
2023-04-24 6:15 ` Yang, Weijiang
2023-04-21 13:46 ` [PATCH v2 08/21] KVM:x86: Init kvm_caps.supported_xss with supported feature bits Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 09/21] KVM:x86: Load guest FPU state when accessing xsaves-managed MSRs Yang Weijiang
2023-04-27 3:46 ` Binbin Wu
2023-04-27 15:57 ` Yang, Weijiang
2023-04-21 13:46 ` [PATCH v2 10/21] KVM:x86: Add #CP support in guest exception classification Yang Weijiang
2023-04-28 6:09 ` Binbin Wu
2023-05-04 3:41 ` Yang, Weijiang
2023-05-04 5:36 ` Binbin Wu
2023-05-04 6:59 ` Yang, Weijiang
2023-04-21 13:46 ` [PATCH v2 11/21] KVM:VMX: Introduce CET VMCS fields and control bits Yang Weijiang
2023-05-05 2:18 ` Binbin Wu
2023-05-05 2:22 ` Binbin Wu
2023-05-05 7:07 ` Yang, Weijiang
2023-04-21 13:46 ` [PATCH v2 12/21] KVM:x86: Add fault checks for guest CR4.CET setting Yang Weijiang
2023-05-05 5:01 ` Binbin Wu
2023-05-05 7:24 ` Yang, Weijiang
2023-04-21 13:46 ` [PATCH v2 13/21] KVM:VMX: Emulate reads and writes to CET MSRs Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 14/21] KVM:VMX: Add a synthetic MSR to allow userspace VMM to access GUEST_SSP Yang Weijiang
2023-05-03 17:08 ` Edgecombe, Rick P
2023-05-04 1:30 ` Yang, Weijiang
2023-04-21 13:46 ` [PATCH v2 15/21] KVM:x86: Report CET MSRs as to-be-saved if CET is supported Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 16/21] KVM:x86: Save/Restore GUEST_SSP to/from SMM state save area Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 17/21] KVM:VMX: Pass through user CET MSRs to the guest Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 18/21] KVM:x86: Enable CET virtualization for VMX and advertise to userspace Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 19/21] KVM:nVMX: Enable user CET support for nested VMX Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 20/21] KVM:x86: Enable supervisor IBT support for guest Yang Weijiang
2023-04-21 13:46 ` [PATCH v2 21/21] KVM:x86: Support CET supervisor shadow stack MSR access Yang Weijiang
2023-05-03 17:06 ` Edgecombe, Rick P
2023-05-04 1:11 ` Yang, Weijiang
2023-05-03 17:07 ` Edgecombe, Rick P
2023-05-04 1:20 ` Yang, Weijiang
2023-05-04 4:17 ` Edgecombe, Rick P
2023-05-04 6:51 ` Yang, Weijiang
2023-04-21 21:54 ` [PATCH v2 00/21] Enable CET Virtualization Mike Rapoport
2023-04-23 5:37 ` Yang, Weijiang [this message]
2023-04-24 18:22 ` John Allen
2023-04-22 13:02 ` Peter Zijlstra
2023-04-23 6:12 ` Yang, Weijiang
2023-04-23 8:30 ` Binbin Wu
2023-04-24 6:12 ` Yang, Weijiang
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