[MODERATED] Re: [PATCH v7 0/5] NX 0
Paolo Bonzini <[email protected]>
| Newsgroups | org.kernel.lore.historical-speck |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]> >> Subject: [PATCH v7 0/5] NX 0 >> >> >> v6->v7: tell nested hypervisors to disable the mitigation > > 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. > >> 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(-) >>