[PATCH 0/9] Rework hyp vector handling

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Hi all,

This small series reworks the hyp vector handling for the vectors
installed when running a guest so that they are more amenable to the
ongoing "Protected KVM" efforts. Most of the patches here are cosmetic,
with the bulk of the changes living in patch seven.

The idea is to allocate the vector slots statically, and then refer to
them using an enumerated type which can later be used as a hypercall
parameter to identify the vectors that are required.

The series also results in cleaner, simpler code with a slightly negative
diffstat.

Cheers,

Will

--->8

Will Deacon (9):
  KVM: arm64: Remove redundant Spectre-v2 code from kvm_map_vector()
  KVM: arm64: Tidy up kvm_map_vector()
  KVM: arm64: Move kvm_get_hyp_vector() out of header file
  KVM: arm64: Make BP hardening globals static instead
  KVM: arm64: Move BP hardening helpers into spectre.h
  KVM: arm64: Re-jig logic when patching hardened hyp vectors
  KVM: arm64: Allocate hyp vectors statically
  arm64: spectre: Rename ARM64_HARDEN_EL2_VECTORS to ARM64_SPECTRE_V3A
  arm64: spectre: Consolidate spectre-v3a detection

 Documentation/arm64/memory.rst   |  2 +-
 arch/arm64/include/asm/cpucaps.h |  2 +-
 arch/arm64/include/asm/kvm_asm.h |  5 --
 arch/arm64/include/asm/kvm_mmu.h | 46 -----------------
 arch/arm64/include/asm/mmu.h     | 29 -----------
 arch/arm64/include/asm/spectre.h | 63 +++++++++++++++++++++++
 arch/arm64/kernel/cpu_errata.c   | 19 +++----
 arch/arm64/kernel/proton-pack.c  | 84 ++++++++++++------------------
 arch/arm64/kvm/arm.c             | 87 ++++++++++++++++++++------------
 arch/arm64/kvm/hyp/Makefile      |  2 +-
 arch/arm64/kvm/hyp/hyp-entry.S   | 72 ++++++++++++++------------
 arch/arm64/kvm/hyp/smccc_wa.S    | 32 ------------
 arch/arm64/kvm/va_layout.c       | 23 +--------
 13 files changed, 204 insertions(+), 262 deletions(-)
 delete mode 100644 arch/arm64/kvm/hyp/smccc_wa.S

-- 
2.29.0.rc2.309.g374f81d7ae-goog

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