Subject: Re: [PATCH 1/1] futex: Wireup futex_waitv syscall

From: Michael Ellerman <[email-masked]>
Date: Thu, 25 Nov 2021 10:07:23 +1100

André Almeida <[email-masked]> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index 7bef917cc84e..15109af9d075 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -528,3 +528,4 @@
>  446	common	landlock_restrict_self		sys_landlock_restrict_self
>  # 447 reserved for memfd_secret
>  448	common	process_mrelease		sys_process_mrelease
> +449	common  futex_waitv                     sys_futex_waitv

Tested-by: Michael Ellerman <[email-masked]> (powerpc)

The selftest doesn't build with old headers, I needed this:

diff --git a/tools/testing/selftests/futex/include/futex2test.h b/tools/testing/selftests/futex/include/futex2test.h
index 9d305520e849..e6422321e9d0 100644
--- a/tools/testing/selftests/futex/include/futex2test.h
+++ b/tools/testing/selftests/futex/include/futex2test.h
@@ -8,6 +8,10 @@

 #define u64_to_ptr(x) ((void *)(uintptr_t)(x))

+#ifndef __NR_futex_waitv
+#define __NR_futex_waitv 449
+#endif
+
 /**
  * futex_waitv - Wait at multiple futexes, wake on any
  * @waiters:    Array of waiters

cheers