From: Sean Christopherson <seanjc@google.com>
To: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>,
Peter Zijlstra <peterz@infradead.org>,
Josh Poimboeuf <jpoimboe@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Paolo Bonzini <pbonzini@redhat.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Tao Zhang <tao1.zhang@intel.com>,
Jim Mattson <jmattson@google.com>,
Brendan Jackman <jackmanb@google.com>
Subject: Re: [PATCH 0/3] Unify VERW mitigation for guests
Date: Wed, 29 Oct 2025 17:29:08 -0700 [thread overview]
Message-ID: <aQKxVLoS2MzBiSIm@google.com> (raw)
In-Reply-To: <20251029-verw-vm-v1-0-babf9b961519@linux.intel.com>
On Wed, Oct 29, 2025, Pawan Gupta wrote:
> ---
> Pawan Gupta (3):
> x86/bugs: Use VM_CLEAR_CPU_BUFFERS in VMX as well
> x86/mmio: Rename cpu_buf_vm_clear to cpu_buf_vm_clear_mmio_only
> x86/mmio: Unify VERW mitigation for guests
>
> arch/x86/include/asm/nospec-branch.h | 2 +-
> arch/x86/kernel/cpu/bugs.c | 17 +++++++++++------
> arch/x86/kvm/mmu/spte.c | 2 +-
> arch/x86/kvm/vmx/run_flags.h | 12 ++++++------
> arch/x86/kvm/vmx/vmenter.S | 8 +++++++-
> arch/x86/kvm/vmx/vmx.c | 26 ++++++++++----------------
> 6 files changed, 36 insertions(+), 31 deletions(-)
> ---
Any objection to taking these through the KVM tree when they're ready? There
will be a conflict in vmx.c with an L1TF related cleanup, and that conflict is
actually helpful in that the two series feed off each other a little bit.
next prev parent reply other threads:[~2025-10-30 0:29 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-29 21:26 [PATCH 0/3] Unify VERW mitigation for guests Pawan Gupta
2025-10-29 21:26 ` [PATCH 1/3] x86/bugs: Use VM_CLEAR_CPU_BUFFERS in VMX as well Pawan Gupta
2025-10-29 22:13 ` Pawan Gupta
2025-10-30 12:28 ` Brendan Jackman
2025-10-30 18:43 ` Pawan Gupta
2025-10-31 11:25 ` Brendan Jackman
2025-10-29 21:26 ` [PATCH 2/3] x86/mmio: Rename cpu_buf_vm_clear to cpu_buf_vm_clear_mmio_only Pawan Gupta
2025-10-30 0:18 ` Sean Christopherson
2025-10-30 5:40 ` Pawan Gupta
2025-10-30 12:29 ` Brendan Jackman
2025-10-30 16:56 ` Pawan Gupta
2025-10-29 21:26 ` [PATCH 3/3] x86/mmio: Unify VERW mitigation for guests Pawan Gupta
2025-10-30 0:27 ` Sean Christopherson
2025-10-30 6:11 ` Pawan Gupta
2025-10-30 0:33 ` Pawan Gupta
2025-10-30 5:52 ` Yao Yuan
2025-10-30 6:17 ` Pawan Gupta
2025-10-30 12:52 ` Brendan Jackman
2025-10-30 16:06 ` Sean Christopherson
2025-10-30 16:26 ` Brendan Jackman
2025-10-30 18:06 ` Pawan Gupta
2025-10-30 17:54 ` Pawan Gupta
2025-10-30 17:28 ` Pawan Gupta
2025-10-30 18:21 ` Sean Christopherson
2025-10-30 19:11 ` Pawan Gupta
2025-10-30 0:29 ` Sean Christopherson [this message]
2025-10-30 10:28 ` [PATCH 0/3] " Borislav Petkov
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