2021-06-09 16:58:48

by Paolo Bonzini

Subject: [GIT PULL] KVM fixes for 5.13-rc6

Linus,

The following changes since commit 000ac42953395a4f0a63d5db640c5e4c88a548c5:

selftests: kvm: fix overlapping addresses in memslot_perf_test (2021-05-29 06:28:06 -0400)

are available in the Git repository at:

https://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus

for you to fetch changes up to da27a83fd6cc7780fea190e1f5c19e87019da65c:

kvm: avoid speculation-based attacks from out-of-range memslot accesses (2021-06-08 17:12:05 -0400)

----------------------------------------------------------------
Bugfixes, including a TLB flush fix that affects processors
without nested page tables.

----------------------------------------------------------------
Ashish Kalra (1):
KVM: SVM: Fix SEV SEND_START session length & SEND_UPDATE_DATA query length after commit 238eca821cee

Christian Borntraeger (1):
KVM: selftests: introduce P47V64 for s390x

Lai Jiangshan (3):
KVM: X86: MMU: Use the correct inherited permissions to get shadow page
KVM: x86: Ensure PV TLB flush tracepoint reflects KVM behavior
KVM: x86: Unload MMU on guest TLB flush if TDP disabled to force MMU sync

Paolo Bonzini (1):
kvm: avoid speculation-based attacks from out-of-range memslot accesses

Sean Christopherson (1):
KVM: x86: Ensure liveliness of nested VM-Enter fail tracepoint message

Wanpeng Li (1):
KVM: LAPIC: Write 0 to TMICT should also cancel vmx-preemption timer

Zhenzhong Duan (1):
selftests: kvm: Add support for customized slot0 memory size

Documentation/virt/kvm/mmu.rst | 4 +-
arch/x86/kvm/lapic.c | 17 +++++---
arch/x86/kvm/mmu/paging_tmpl.h | 14 +++---
arch/x86/kvm/svm/sev.c | 6 +--
arch/x86/kvm/trace.h | 6 +--
arch/x86/kvm/x86.c | 19 ++++++++-
include/linux/kvm_host.h | 10 ++++-
tools/testing/selftests/kvm/include/kvm_util.h | 10 +++--
tools/testing/selftests/kvm/kvm_page_table_test.c | 2 +-
tools/testing/selftests/kvm/lib/kvm_util.c | 52 +++++++++++++++++++----
tools/testing/selftests/kvm/lib/perf_test_util.c | 2 +-
tools/testing/selftests/kvm/memslot_perf_test.c | 2 +-
12 files changed, 105 insertions(+), 39 deletions(-)

2021-06-09 22:02:35

by pr-tracker-bot

Subject: Re: [GIT PULL] KVM fixes for 5.13-rc6

The pull request you sent on Tue, 8 Jun 2021 20:07:43 -0400:

> https://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/4422829e8053068e0225e4d0ef42dc41ea7c9ef5

Thank you!

--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/prtracker.html

2021-06-10 12:10:15

by Maciej S. Szmigiero

Subject: __gfn_to_hva_memslot Spectre patch for stable (Was: Re: [GIT PULL] KVM fixes for 5.13-rc6)

On 09.06.2021 02:07, Paolo Bonzini wrote:
(..)
> Paolo Bonzini (1):
> kvm: avoid speculation-based attacks from out-of-range memslot accesses
>

That commit looks like something that stable kernels might benefit from, too -
any plans to submit it for stable?

Responding to the pull request since I can't find that patch posted on
a mailing list.

Thanks,
Maciej