[PATCH] selftests/arm64: Fix build warnings for abi

[Dev Jain]

On 8/27/24 18:03, Will Deacon wrote:
> On Tue, Aug 27, 2024 at 10:48:51AM +0530, Dev Jain wrote:
>> A "%s" is missing in ksft_exit_fail_msg(); instead, use the newly
>> introduced ksft_exit_fail_perror(). Also, uint64_t corresponds to
>> unsigned 64-bit integer, so use %lx instead of %llx.
> What's wrong with using %llx for a uint64_t? I think that part of the
> code is fine as-is.

I get a lot of warnings like these:
https://www.codedump.xyz/cpp/Zs6d7saC1IRuWV2O

>
> Will