parisc: Wire up clone3 syscall

Signed-off-by: Helge Deller <deller@gmx.de>
Tested-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Christian Brauner <christian@brauner.io>

arch/parisc/include/asm/unistd.h

@@ -166,6 +166,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)	\
 #define __ARCH_WANT_SYS_FORK
 #define __ARCH_WANT_SYS_VFORK
 #define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_SYS_CLONE3
 #define __ARCH_WANT_COMPAT_SYS_SENDFILE
 
 #ifdef CONFIG_64BIT

arch/parisc/kernel/entry.S

@@ -1732,6 +1732,7 @@ ENDPROC_CFI(sys_\name\()_wrapper)
 	.endm
 
 fork_like clone
+fork_like clone3
 fork_like fork
 fork_like vfork
 

arch/parisc/kernel/syscalls/syscall.tbl

@@ -431,4 +431,4 @@
 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_wrapper