[VIRT-262 # ARMv8.1-PAN ] [VIRT-273 # ARMv8.2-ATS1E1 ] [VIRT-276 # ARMv8.2-UAO ]

All three now merged.

[VIRT-349 # QEMU SVE2 Support ]

Refreshed an old patch set tidying up pmul.

[VIRT-327 # Richard's upstream QEMU work ]

Patch review: - ARMv8.1-PMU - riscv vector extension, partial - cpu_exec_step_atomic race

Refresh x86_64 vsyscall implementation Refresh aa64_va_parameter optimization Refresh vfp feature and decodetree cleanup Refresh tcg/arm epilogue expansion Refresh arm vector improvements Pass sve fmla arguments by value. Fix some advsimd vs sve extension errors

r~