linux-kernel - [PATCH 0/3 v4] x86: AMD: Don't flush cache if hardware enforces cache coherency across encryption domains

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Date:   Thu, 17 Sep 2020 21:20:35 +0000
From:   Krish Sadhukhan <krish.sadhukhan@...cle.com>
To:     kvm@...r.kernel.org
Cc:     pbonzini@...hat.com, jmattson@...gle.com, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, x86@...nel.org,
        sean.j.christopherson@...el.com, vkuznets@...hat.com,
        wanpengli@...cent.com, joro@...tes.org,
        dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.org,
        linux-kernel@...r.kernel.org, hpa@...or.com
Subject: [PATCH 0/3 v4] x86: AMD: Don't flush cache if hardware enforces cache coherency across encryption domains

v3 -> v4:
	1. Patch# 1 from v3 has been dropped.
	2. The CPUID feature for hardware-enforced cache coherency has been
	   renamed.

[PATCH 1/3 v4] x86: AMD: Add hardware-enforced cache coherency as a
[PATCH 2/3 v4] x86: AMD: Don't flush cache if hardware enforces cache
[PATCH 3/3 v4] KVM: SVM: Don't flush cache if hardware enforces cache

 arch/x86/include/asm/cpufeatures.h | 1 +
 arch/x86/kernel/cpu/scattered.c    | 1 +
 arch/x86/kvm/svm/sev.c             | 3 ++-
 arch/x86/mm/pat/set_memory.c       | 2 +-
 4 files changed, 5 insertions(+), 2 deletions(-)

Krish Sadhukhan (3):
      x86: AMD: Add hardware-enforced cache coherency as a CPUID feature
      x86: AMD: Don't flush cache if hardware enforces cache coherency across encryption domnains
      KVM: SVM: Don't flush cache if hardware enforces cache coherency across encryption domains