It's been recently pointed out that the NV timer code that is
(hopefully) on its way upstream is marginally sub-optimal (read:
terminally broken). This short series attempts to fix things:

- Correctly arm a background timer in all situations

- Avoid corrupting the EL2 state by shoving the EL1 state into it, and
  simplify the handling of emulated timers

- Drop the weird HV timer offset dance dance on E2H switch that never
  happens and make HV timer correctly UNDEF on E2H==0.

Thanks to Volodymyr Babchuk and Wei-Lin Chang for their help.

Patches on top of kvmarm/fixes, and merged back on top of my
kvm-arm64/nv-next branch.

Marc Zyngier (3):
  KVM: arm64: timer: Always evaluate the need for a soft timer
  KVM: arm64: timer: Correctly handle EL1 timer emulation when !FEAT_ECV
  KVM: arm64: timer: Don't adjust the EL2 virtual timer offset

 arch/arm64/kvm/arch_timer.c | 49 +++++++++----------------------------
 arch/arm64/kvm/sys_regs.c   | 16 +++++++++---
 2 files changed, 24 insertions(+), 41 deletions(-)

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2.39.2