Re: [PATCH v14 4/4] selftests: sud_test: Support aarch64

[Linus Walleij]

On Fri, Mar 20, 2026 at 11:41 AM Jinjie Ruan <ruanjinjie@xxxxxxxxxx> wrote:

> From: kemal <kmal@xxxxxxx>
>
> Support aarch64 to test "Syscall User Dispatch" feature with
> sud_test selftest testcase.
>
> On qemu-kvm machine, the sud_benchmark test results are as below:
>
>         # ./sud_benchmark
>         Calibrating test set to last ~5 seconds...
>         test iterations = 24500000
>         Avg syscall time 208ns.
>         Enabling syscall trapping.
>         Caught sys_1c2
>         trapped_call_count 1, native_call_count 0.
>         Avg syscall time 213ns.
>         Interception overhead: 2.5% (+5ns).
>
> Reviewed-by: Yeoreum Yun <yeoreum.yun@xxxxxxx>
> Signed-off-by: kemal <kmal@xxxxxxx>
> Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>

Reviewed-by: Linus Walleij <linusw@xxxxxxxxxx>

Yours,
Linus Walleij