On 11/23/21 5:38 AM, Naresh Kamboju wrote:

While building Linux next 20211123 tag for sh with gcc-11
following warnings / errors noticed.

make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=sh
CROSS_COMPILE=sh4-linux-gnu- 'CC=sccache sh4-linux-gnu-gcc'
'HOSTCC=sccache gcc'
  Generating include/generated/machtypes.h
<stdin>:1517:2: warning: #warning syscall clone3 not implemented [-Wcpp]
<stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp]

Here's a fix for those first two:

From: Rob Landley <redacted>

Wire up clone3 and futex_waitv syscalls for arch/sh

Signed-off-by: Rob Landley <redacted>
---

 arch/sh/kernel/syscalls/syscall.tbl |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/sh/kernel/syscalls/syscall.tbl

b/arch/sh/kernel/syscalls/syscall.tbl
index 208f131659c5..65c3a94bff48 100644

--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl

@@ -437,7 +437,7 @@
 432	common	fsmount				sys_fsmount
 433	common	fspick				sys_fspick
 434	common	pidfd_open			sys_pidfd_open
-# 435 reserved for clone3
+435	common	clone3				sys_clone3
 436	common	close_range			sys_close_range
 437	common	openat2				sys_openat2
 438	common	pidfd_getfd			sys_pidfd_getfd

@@ -451,3 +451,4 @@
 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

Rob