From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linutronix.de (193.142.43.55:993) by crypto-ml.lab.linutronix.de with IMAP4-SSL for ; 24 Oct 2019 18:56:32 -0000 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120] helo=us-smtp-1.mimecast.com) by Galois.linutronix.de with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1iNiHe-0006qb-QB for speck@linutronix.de; Thu, 24 Oct 2019 20:56:31 +0200 Received: by mail-wr1-f71.google.com with SMTP id s9so13264708wrw.23 for ; Thu, 24 Oct 2019 11:56:26 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:302c:998e:a769:c583? ([2001:b07:6468:f312:302c:998e:a769:c583]) by smtp.gmail.com with ESMTPSA id z189sm4093063wmc.25.2019.10.24.11.56.24 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Oct 2019 11:56:24 -0700 (PDT) Subject: [MODERATED] Re: [PATCH v7 0/5] NX 0 References: <1571934870-34323-1-git-send-email-pbonzini@redhat.com> From: Paolo Bonzini Message-ID: <1ba3f78a-3edf-43a8-98b1-24176c7cbf81@redhat.com> Date: Thu, 24 Oct 2019 20:56:23 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/mixed; boundary="SbM3d64nHPPZnF6lRC3jD5Hl3mZGBy5ym"; protected-headers="v1" To: speck@linutronix.de List-ID: This is an OpenPGP/MIME encrypted message (RFC 4880 and 3156) --SbM3d64nHPPZnF6lRC3jD5Hl3mZGBy5ym Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 24/10/19 20:27, speck for Ben Hutchings wrote: > On Thu, 2019-10-24 at 18:34 +0200, speck for Paolo Bonzini wrote: >> From: Paolo Bonzini >> Subject: [PATCH v7 0/5] NX 0 >> >> >> v6->v7: tell nested hypervisors to disable the mitigation >=20 > Does that eliminate the need to patch qemu? No, it *introduces* the need to patch QEMU (because QEMU now can choose to enable that bit in MSR_IA32_ARCH_CAPABILITIES; before, it need not know about the bit). Paolo > Ben. >=20 >> Junaid Shahid (2): >> kvm: Add helper function for creating VM worker threads >> kvm: x86: mmu: Recovery of shattered NX large pages >> >> Paolo Bonzini (1): >> kvm: mmu: ITLB_MULTIHIT mitigation >> >> Pawan Gupta (2): >> x86: Add ITLB_MULTIHIT bug infrastructure >> x86/cpu: Add Tremont to the cpu vulnerability whitelist >> >> Documentation/ABI/testing/sysfs-devices-system-cpu | 1 + >> Documentation/admin-guide/kernel-parameters.txt | 17 ++ >> arch/x86/include/asm/cpufeatures.h | 1 + >> arch/x86/include/asm/kvm_host.h | 6 + >> arch/x86/include/asm/msr-index.h | 7 + >> arch/x86/kernel/cpu/bugs.c | 24 ++ >> arch/x86/kernel/cpu/common.c | 73 +++--- >> arch/x86/kvm/mmu.c | 264 ++++++++++++= ++++++++- >> arch/x86/kvm/mmu.h | 4 + >> arch/x86/kvm/paging_tmpl.h | 29 ++- >> arch/x86/kvm/x86.c | 20 ++ >> drivers/base/cpu.c | 8 + >> include/linux/cpu.h | 2 + >> include/linux/kvm_host.h | 6 + >> virt/kvm/kvm_main.c | 114 ++++++++- >> 15 files changed, 530 insertions(+), 46 deletions(-) >> --SbM3d64nHPPZnF6lRC3jD5Hl3mZGBy5ym--