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7f3225fe8b
* kvm-arm64/nv-nv: : . : Flick the switch on the NV support by adding the missing piece : in the form of the VNCR page management. From the cover letter: : : "This is probably the most interesting bit of the whole NV adventure. : So far, everything else has been a walk in the park, but this one is : where the real fun takes place. : : With FEAT_NV2, most of the NV support revolves around tricking a guest : into accessing memory while it tries to access system registers. The : hypervisor's job is to handle the context switch of the actual : registers with the state in memory as needed." : . KVM: arm64: nv: Release faulted-in VNCR page from mmu_lock critical section KVM: arm64: nv: Handle TLBI S1E2 for VNCR invalidation with mmu_lock held KVM: arm64: nv: Hold mmu_lock when invalidating VNCR SW-TLB before translating KVM: arm64: Document NV caps and vcpu flags KVM: arm64: Allow userspace to request KVM_ARM_VCPU_EL2* KVM: arm64: nv: Remove dead code from ERET handling KVM: arm64: nv: Plumb TLBI S1E2 into system instruction dispatch KVM: arm64: nv: Add S1 TLB invalidation primitive for VNCR_EL2 KVM: arm64: nv: Program host's VNCR_EL2 to the fixmap address KVM: arm64: nv: Handle VNCR_EL2 invalidation from MMU notifiers KVM: arm64: nv: Handle mapping of VNCR_EL2 at EL2 KVM: arm64: nv: Handle VNCR_EL2-triggered faults KVM: arm64: nv: Add userspace and guest handling of VNCR_EL2 KVM: arm64: nv: Add pseudo-TLB backing VNCR_EL2 KVM: arm64: nv: Don't adjust PSTATE.M when L2 is nesting KVM: arm64: nv: Move TLBI range decoding to a helper KVM: arm64: nv: Snapshot S1 ASID tagging information during walk KVM: arm64: nv: Extract translation helper from the AT code KVM: arm64: nv: Allocate VNCR page when required arm64: sysreg: Add layout for VNCR_EL2 Signed-off-by: Marc Zyngier <maz@kernel.org> |
History
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| .. | ||
| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| cxl | ||
| drm | ||
| dt-bindings | ||
| hyperv | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rv | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| ufs | ||
| vdso | ||
| video | ||
| xen | ||
| Kbuild | ||