[PATCH 2/2] KVM: arm64: selftests: Test empty SMCCC filter range at base 0

[Steffen Eiden]

On Sat, Aug 29, 2026 at 07:48:56AM +0200, Karl Mehltretter wrote:
> test_invalid_nr_functions() only checks an empty range at
> PSCI_0_2_FN64_CPU_ON, which KVM's end < start check happens to catch.
> It never exercised base 0, where the inclusive end wraps to U32_MAX
> instead.
> 
> Add the base 0 case. Without the preceding fix it fails with EEXIST.
> 
> Assisted-by: LLM
> Signed-off-by: Karl Mehltretter <kmehltretter at gmail.com>

Reviewed-by: Steffen Eiden <seiden at linux.ibm.com>