linux-kernel - [PATCH v2 0/2] x86: KVM: Add missing AMD features

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Message-Id: <20241126094424.943192-1-davydov-max@yandex-team.ru>
Date: Tue, 26 Nov 2024 12:44:22 +0300
From: Maksim Davydov <davydov-max@...dex-team.ru>
To: kvm@...r.kernel.org
Cc: davydov-max@...dex-team.ru,
	linux-kernel@...r.kernel.org,
	x86@...nel.org,
	babu.moger@....com,
	seanjc@...gle.com,
	mingo@...hat.com,
	bp@...en8.de,
	tglx@...utronix.de,
	dave.hansen@...ux.intel.com,
	hpa@...or.com,
	jmattson@...gle.com,
	pbonzini@...hat.com
Subject: [PATCH v2 0/2] x86: KVM: Add missing AMD features

This series adds definition of some missing AMD features in
0x80000008_EBX and 0x80000021_EAX functions. It also gives an opportunity
to expose these features to userspace. 

Related discussion in QEMU:
https://lore.kernel.org/kvm/24462567-e486-4b7f-b869-a1fab48d739c@yandex-team.ru/

v2 -> v1:
* fixed the bug in the FSRC definition

v1:
https://lore.kernel.org/kvm/20241113133042.702340-1-davydov-max@yandex-team.ru/

Maksim Davydov (2):
  x86: KVM: Advertise FSRS and FSRC on AMD to userspace
  x86: KVM: Advertise AMD's speculation control features

 arch/x86/include/asm/cpufeatures.h | 5 +++++
 arch/x86/kvm/cpuid.c               | 9 +++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

-- 
2.34.1