[Apologies for the spam, I appear to have forgotten to Cc the lists in
my initial posting]
Hi Paolo,
It was good to see you (and everyone else) at KVM Forum this week!
And to celebrate, here's a first batch of fixes for KVM/arm64. A bunch
of them are addressing issues introduced by the invasive changes that
took place in the 5.10 merge window (MM, nVHE host entry). A few
others are addressing some older bugs (VFIO PTE mappings, AArch32
debug, composite huge pages), and a couple of improvements
(HYP-visible capabilities are made more robust).
Please pull,
M.
The following changes since commit 4e5dc64c43192b4fd4c96ac150a8f013065f5f5b:
Merge branches 'kvm-arm64/pt-new' and 'kvm-arm64/pmu-5.9' into kvmarm-master/next (2020-10-02 09:25:55 +0100)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.10-1
for you to fetch changes up to 22f553842b14a1289c088a79a67fb479d3fa2a4e:
KVM: arm64: Handle Asymmetric AArch32 systems (2020-10-30 16:06:22 +0000)
----------------------------------------------------------------
KVM/arm64 fixes for 5.10, take #1
- Force PTE mapping on device pages provided via VFIO
- Fix detection of cacheable mapping at S2
- Fallback to PMD/PTE mappings for composite huge pages
- Fix accounting of Stage-2 PGD allocation
- Fix AArch32 handling of some of the debug registers
- Simplify host HYP entry
- Fix stray pointer conversion on nVHE TLB invalidation
- Fix initialization of the nVHE code
- Simplify handling of capabilities exposed to HYP
- Nuke VCPUs caught using a forbidden AArch32 EL0
----------------------------------------------------------------
Gavin Shan (1):
KVM: arm64: Use fallback mapping sizes for contiguous huge page sizes
Marc Zyngier (4):
KVM: arm64: Don't corrupt tpidr_el2 on failed HVC call
KVM: arm64: Remove leftover kern_hyp_va() in nVHE TLB invalidation
KVM: arm64: Drop useless PAN setting on host EL1 to EL2 transition
KVM: arm64: Fix AArch32 handling of DBGD{CCINT,SCRext} and DBGVCR
Mark Rutland (3):
KVM: arm64: Factor out is_{vhe,nvhe}_hyp_code()
arm64: cpufeature: reorder cpus_have_{const, final}_cap()
arm64: cpufeature: upgrade hyp caps to final
Qais Yousef (1):
KVM: arm64: Handle Asymmetric AArch32 systems
Santosh Shukla (1):
KVM: arm64: Force PTE mapping on fault resulting in a device mapping
Will Deacon (2):
KVM: arm64: Allocate stage-2 pgd pages with GFP_KERNEL_ACCOUNT
KVM: arm64: Fix masks in stage2_pte_cacheable()
arch/arm64/include/asm/cpufeature.h | 40 ++++++++++++++++++++++++++++---------
arch/arm64/include/asm/kvm_host.h | 1 +
arch/arm64/include/asm/virt.h | 9 ++++-----
arch/arm64/kernel/image-vars.h | 1 -
arch/arm64/kvm/arm.c | 19 ++++++++++++++++++
arch/arm64/kvm/hyp/nvhe/host.S | 2 --
arch/arm64/kvm/hyp/nvhe/hyp-init.S | 23 ++++++++++++++-------
arch/arm64/kvm/hyp/nvhe/tlb.c | 1 -
arch/arm64/kvm/hyp/pgtable.c | 4 ++--
arch/arm64/kvm/mmu.c | 27 ++++++++++++++++++-------
arch/arm64/kvm/sys_regs.c | 6 +++---
11 files changed, 96 insertions(+), 37 deletions(-)
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