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Date: Fri, 22 Apr 2022 12:56:55 -0400
From: Paolo Bonzini <pbonzini@...hat.com>
To: torvalds@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: [GIT PULL] KVM fixes for Linux 5.18-rc4
Linus,
The following changes since commit b2d229d4ddb17db541098b83524d901257e93845:
Linux 5.18-rc3 (2022-04-17 13:57:31 -0700)
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 e852be8b148e117e25be1c98cf72ee489b05919e:
kvm: selftests: introduce and use more page size-related constants (2022-04-21 15:41:01 -0400)
The main and larger change here is a workaround for AMD's lack of cache
coherency for encrypted-memory guests.
I have another patch pending, but it's waiting for review from the
architecture maintainers.
----------------------------------------------------------------
RISC-V:
* Remove 's' & 'u' as valid ISA extension
* Do not allow disabling the base extensions 'i'/'m'/'a'/'c'
x86:
* Fix NMI watchdog in guests on AMD
* Fix for SEV cache incoherency issues
* Don't re-acquire SRCU lock in complete_emulated_io()
* Avoid NULL pointer deref if VM creation fails
* Fix race conditions between APICv disabling and vCPU creation
* Bugfixes for disabling of APICv
* Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume
selftests:
* Do not use bitfields larger than 32-bits, they differ between GCC and clang
----------------------------------------------------------------
Atish Patra (2):
RISC-V: KVM: Remove 's' & 'u' as valid ISA extension
RISC-V: KVM: Restrict the extensions that can be disabled
Like Xu (1):
KVM: x86/pmu: Update AMD PMC sample period to fix guest NMI-watchdog
Mingwei Zhang (2):
KVM: SVM: Flush when freeing encrypted pages even on SME_COHERENT CPUs
KVM: SEV: add cache flush to solve SEV cache incoherency issues
Paolo Bonzini (3):
Merge tag 'kvm-riscv-fixes-5.18-2' of https://github.com/kvm-riscv/linux into HEAD
kvm: selftests: do not use bitfields larger than 32-bits for PTEs
kvm: selftests: introduce and use more page size-related constants
Sean Christopherson (9):
KVM: x86: Don't re-acquire SRCU lock in complete_emulated_io()
KVM: RISC-V: Use kvm_vcpu.srcu_idx, drop RISC-V's unnecessary copy
KVM: Add helpers to wrap vcpu->srcu_idx and yell if it's abused
KVM: Initialize debugfs_dentry when a VM is created to avoid NULL deref
KVM: x86: Tag APICv DISABLE inhibit, not ABSENT, if APICv is disabled
KVM: nVMX: Defer APICv updates while L2 is active until L1 is active
KVM: x86: Pend KVM_REQ_APICV_UPDATE during vCPU creation to fix a race
KVM: x86: Skip KVM_GUESTDBG_BLOCKIRQ APICv update if APICv is disabled
KVM: SVM: Simplify and harden helper to flush SEV guest page(s)
Thomas Huth (1):
KVM: selftests: Silence compiler warning in the kvm_page_table_test
Tom Rix (1):
KVM: SPDX style and spelling fixes
Wanpeng Li (1):
x86/kvm: Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume
arch/powerpc/kvm/book3s_64_mmu_radix.c | 9 +-
arch/powerpc/kvm/book3s_hv_nested.c | 16 +-
arch/powerpc/kvm/book3s_rtas.c | 4 +-
arch/powerpc/kvm/powerpc.c | 4 +-
arch/riscv/include/asm/kvm_host.h | 3 -
arch/riscv/kvm/vcpu.c | 37 ++--
arch/riscv/kvm/vcpu_exit.c | 4 +-
arch/s390/kvm/interrupt.c | 4 +-
arch/s390/kvm/kvm-s390.c | 8 +-
arch/s390/kvm/vsie.c | 4 +-
arch/x86/include/asm/kvm-x86-ops.h | 1 +
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kernel/kvm.c | 13 ++
arch/x86/kvm/pmu.h | 9 +
arch/x86/kvm/svm/pmu.c | 1 +
arch/x86/kvm/svm/sev.c | 67 ++++---
arch/x86/kvm/svm/svm.c | 1 +
arch/x86/kvm/svm/svm.h | 2 +
arch/x86/kvm/vmx/nested.c | 5 +
arch/x86/kvm/vmx/pmu_intel.c | 8 +-
arch/x86/kvm/vmx/vmx.c | 5 +
arch/x86/kvm/vmx/vmx.h | 1 +
arch/x86/kvm/x86.c | 60 +++---
include/linux/kvm_host.h | 26 ++-
.../selftests/kvm/include/x86_64/processor.h | 17 ++
tools/testing/selftests/kvm/kvm_page_table_test.c | 2 +-
tools/testing/selftests/kvm/lib/x86_64/processor.c | 202 +++++++++------------
tools/testing/selftests/kvm/x86_64/amx_test.c | 1 -
.../selftests/kvm/x86_64/emulator_error_test.c | 1 -
tools/testing/selftests/kvm/x86_64/smm_test.c | 2 -
.../selftests/kvm/x86_64/vmx_tsc_adjust_test.c | 1 -
.../testing/selftests/kvm/x86_64/xen_shinfo_test.c | 1 -
.../testing/selftests/kvm/x86_64/xen_vmcall_test.c | 1 -
virt/kvm/dirty_ring.c | 2 +-
virt/kvm/kvm_main.c | 43 +++--
virt/kvm/kvm_mm.h | 2 +-
36 files changed, 316 insertions(+), 252 deletions(-)
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