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From: Sean Christopherson <sean.j.christopherson@intel.com>
To: Yang Weijiang <weijiang.yang@intel.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	pbonzini@redhat.com, jmattson@google.com,
	yu.c.zhang@linux.intel.com
Subject: Re: [PATCH v13 00/11] Introduce support for guest CET feature
Date: Mon, 13 Jul 2020 11:13:26 -0700
Message-ID: <20200713181326.GC29725@linux.intel.com> (raw)
In-Reply-To: <20200701080411.5802-1-weijiang.yang@intel.com>

On Wed, Jul 01, 2020 at 04:04:00PM +0800, Yang Weijiang wrote:
> Control-flow Enforcement Technology (CET) provides protection against
> Return/Jump-Oriented Programming (ROP/JOP) attack. There're two CET
> sub-features: Shadow Stack (SHSTK) and Indirect Branch Tracking (IBT).
> SHSTK is to prevent ROP programming and IBT is to prevent JOP programming.
> 
> Several parts in KVM have been updated to provide VM CET support, including:
> CPUID/XSAVES config, MSR pass-through, user space MSR access interface, 
> vmentry/vmexit config, nested VM etc. These patches have dependency on CET
> kernel patches for xsaves support and CET definitions, e.g., MSR and related
> feature flags.
> 
> CET kernel patches are here:
> https://lkml.kernel.org/r/20200429220732.31602-1-yu-cheng.yu@intel.com
> 
> v13:
> - Added CET definitions as a separate patch to facilitate KVM test.
> - Disabled CET support in KVM if unrestricted_guest is turned off since
>   in this case CET related instructions/infrastructure cannot be emulated
>   well.

This needs to be rebased, I can't get it to apply on any kvm branch nor on
any 5.8 rc.  And when you send series, especially large series that touch
lots of code, please explicitly state what commit the series is based on to
make it easy for reviewers to apply the patches, even if the series needs a
rebase.

  parent reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01  8:04 Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 01/11] KVM: x86: Include CET definitions for KVM test purpose Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 02/11] KVM: VMX: Introduce CET VMCS fields and flags Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 03/11] KVM: VMX: Set guest CET MSRs per KVM and host configuration Yang Weijiang
2020-07-02 15:13   ` Xiaoyao Li
2020-07-03 15:02     ` Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 04/11] KVM: VMX: Configure CET settings upon guest CR0/4 changing Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 05/11] KVM: x86: Refresh CPUID once guest changes XSS bits Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 06/11] KVM: x86: Load guest fpu state when access MSRs managed by XSAVES Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 07/11] KVM: x86: Add userspace access interface for CET MSRs Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 08/11] KVM: VMX: Enable CET support for nested VM Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 09/11] KVM: VMX: Add VMCS dump and sanity check for CET states Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 10/11] KVM: x86: Add #CP support in guest exception dispatch Yang Weijiang
2020-07-01  8:04 ` [PATCH v13 11/11] KVM: x86: Enable CET virtualization and advertise CET to userspace Yang Weijiang
2020-07-13 18:13 ` Sean Christopherson [this message]
2020-07-15  0:40   ` [PATCH v13 00/11] Introduce support for guest CET feature Yang Weijiang

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