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2e0f239457
* kvm-arm64/nv-at-pan:
: .
: Add NV support for the AT family of instructions, which mostly results
: in adding a page table walker that deals with most of the complexity
: of the architecture.
:
: From the cover letter:
:
: "Another task that a hypervisor supporting NV on arm64 has to deal with
: is to emulate the AT instruction, because we multiplex all the S1
: translations on a single set of registers, and the guest S2 is never
: truly resident on the CPU.
:
: So given that we lie about page tables, we also have to lie about
: translation instructions, hence the emulation. Things are made
: complicated by the fact that guest S1 page tables can be swapped out,
: and that our shadow S2 is likely to be incomplete. So while using AT
: to emulate AT is tempting (and useful), it is not going to always
: work, and we thus need a fallback in the shape of a SW S1 walker."
: .
KVM: arm64: nv: Add support for FEAT_ATS1A
KVM: arm64: nv: Plumb handling of AT S1* traps from EL2
KVM: arm64: nv: Make AT+PAN instructions aware of FEAT_PAN3
KVM: arm64: nv: Sanitise SCTLR_EL1.EPAN according to VM configuration
KVM: arm64: nv: Add SW walker for AT S1 emulation
KVM: arm64: nv: Make ps_to_output_size() generally available
KVM: arm64: nv: Add emulation of AT S12E{0,1}{R,W}
KVM: arm64: nv: Add basic emulation of AT S1E2{R,W}
KVM: arm64: nv: Add basic emulation of AT S1E1{R,W}P
KVM: arm64: nv: Add basic emulation of AT S1E{0,1}{R,W}
KVM: arm64: nv: Honor absence of FEAT_PAN2
KVM: arm64: nv: Turn upper_attr for S2 walk into the full descriptor
KVM: arm64: nv: Enforce S2 alignment when contiguous bit is set
arm64: Add ESR_ELx_FSC_ADDRSZ_L() helper
arm64: Add system register encoding for PSTATE.PAN
arm64: Add PAR_EL1 field description
arm64: Add missing APTable and TCR_ELx.HPD masks
KVM: arm64: Make kvm_at() take an OP_AT_*
Signed-off-by: Marc Zyngier <maz@kernel.org>
# Conflicts:
# arch/arm64/kvm/nested.c
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Linux kernel
============
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