[PATCH v2 8/8] selftests/livepatch: Add RISC-V syscall wrapper prefix

[Marcos Paulo de Souza]

On Thu, 2026-05-28 at 16:23 +0800, Wang Han wrote:
> The syscall livepatch selftest resolves and patches a syscall wrapper
> symbol. To use that test for RISC-V livepatch validation, add the
> RISC-V FN_PREFIX definition for ARCH_HAS_SYSCALL_WRAPPER.
> 
> Without this macro, the syscall livepatch selftest cannot resolve the
> RISC-V target symbol, and the syscall-related livepatch test fails on
> RISC-V.
> 
> Signed-off-by: Wang Han <wanghan at linux.alibaba.com>

Reviewed-by: Marcos Paulo de Souza <mpdesouza at suse.com>

> ---
>  .../testing/selftests/livepatch/test_modules/test_klp_syscall.c | 2
> ++
>  1 file changed, 2 insertions(+)
> 
> diff --git
> a/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c
> b/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c
> index dd802783ea84..275e4b10cf59 100644
> ---
> a/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c
> +++
> b/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c
> @@ -18,6 +18,8 @@
>  #define FN_PREFIX __s390x_
>  #elif defined(__aarch64__)
>  #define FN_PREFIX __arm64_
> +#elif defined(__riscv)
> +#define FN_PREFIX __riscv_
>  #else
>  /* powerpc does not select ARCH_HAS_SYSCALL_WRAPPER */
>  #define FN_PREFIX