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From: Tom Lendacky <thomas.lendacky@amd.com>
To: <kvm@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <x86@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Ingo Molnar <mingo@redhat.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	Babu Moger <babu.moger@amd.com>
Subject: [PATCH 0/2] SEV-ES TSC_AUX virtualization fix and optimization
Date: Thu, 14 Sep 2023 14:50:43 -0500	[thread overview]
Message-ID: <cover.1694721045.git.thomas.lendacky@amd.com> (raw)

This patch series provides a fix to the TSC_AUX virtualization support
and an optimization to reduce the number of WRMSRs to TSC_AUX when
it is virtualized.

---

Patches based on https://git.kernel.org/pub/scm/virt/kvm/kvm.git master
and commit:
  7c7cce2cf7ee ("Merge tag 'kvmarm-fixes-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD")

Tom Lendacky (2):
  KVM: SVM: Fix TSC_AUX virtualization setup
  KVM: SVM: Do not use user return MSR support for virtualized TSC_AUX

 arch/x86/kvm/svm/sev.c | 41 ++++++++++++++++++++++++++++++++---------
 arch/x86/kvm/svm/svm.c | 29 +++++++++++++++++++----------
 arch/x86/kvm/svm/svm.h |  5 ++++-
 3 files changed, 55 insertions(+), 20 deletions(-)

-- 
2.41.0


             reply	other threads:[~2023-09-14 19:51 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-14 19:50 Tom Lendacky [this message]
2023-09-14 19:50 ` [PATCH 1/2] KVM: SVM: Fix TSC_AUX virtualization setup Tom Lendacky
2023-09-14 20:28   ` Sean Christopherson
2023-09-14 20:48     ` Tom Lendacky
2023-09-14 21:13       ` Sean Christopherson
2023-09-15 14:26         ` Tom Lendacky
2023-09-15 14:32           ` Sean Christopherson
2023-09-15 16:52       ` Tom Lendacky
2023-09-15 17:32         ` Sean Christopherson
2023-09-15 20:54           ` Tom Lendacky
2023-09-14 19:50 ` [PATCH 2/2] KVM: SVM: Do not use user return MSR support for virtualized TSC_AUX Tom Lendacky
2023-09-15 14:43   ` Sean Christopherson
2023-09-15 14:51     ` Sean Christopherson
2023-09-15 15:08       ` Tom Lendacky

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