[SPARC]: Wire up sys_unshare().

Also, the Solaris syscall table is sized differrently,
and does not go beyond entry 255, so trim off the excess
entries.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/entry.S

@@ -38,7 +38,7 @@
 
 #define curptr      g6
 
-#define NR_SYSCALLS 299      /* Each OS is different... */
+#define NR_SYSCALLS 300      /* Each OS is different... */
 
 /* These are just handy. */
 #define _SV	save	%sp, -STACKFRAME_SZ, %sp

arch/sparc/kernel/systbls.S

@@ -78,7 +78,7 @@ sys_call_table:
 /*280*/	.long sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat
 /*285*/	.long sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_newfstatat
 /*290*/	.long sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
-/*295*/	.long sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll
+/*295*/	.long sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare
 
 #ifdef CONFIG_SUNOS_EMUL
 	/* Now the SunOS syscall table. */
@@ -190,5 +190,6 @@ sunos_sys_table:
 /*290*/	.long sunos_nosys, sunos_nosys, sunos_nosys
 	.long sunos_nosys, sunos_nosys, sunos_nosys
 	.long sunos_nosys, sunos_nosys, sunos_nosys
+	.long sunos_nosys
 
 #endif

arch/sparc64/kernel/entry.S

@@ -25,7 +25,7 @@
 
 #define curptr      g6
 
-#define NR_SYSCALLS 299      /* Each OS is different... */
+#define NR_SYSCALLS 300      /* Each OS is different... */
 
 	.text
 	.align		32

arch/sparc64/kernel/systbls.S

@@ -79,7 +79,7 @@ sys_call_table32:
 /*280*/	.word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat
 	.word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_newfstatat
 /*285*/	.word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
-	.word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll
+	.word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare
 
 #endif /* CONFIG_COMPAT */
 
@@ -148,7 +148,7 @@ sys_call_table:
 /*280*/	.word sys_nis_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat
 	.word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, compat_sys_newfstatat
 /*285*/	.word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
-	.word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll
+	.word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare
 
 #if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \
     defined(CONFIG_SOLARIS_EMUL_MODULE)
@@ -261,4 +261,5 @@ sunos_sys_table:
 /*290*/	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
+	.word sunos_nosys
 #endif

arch/sparc64/solaris/systbl.S

@@ -283,32 +283,3 @@ solaris_sys_table:
 	.word solaris_unimplemented	/* 			253	*/
 	.word solaris_unimplemented	/* 			254	*/
 	.word solaris_unimplemented	/* 			255	*/
-	.word solaris_unimplemented	/* 			256	*/
-	.word solaris_unimplemented	/* 			257	*/
-	.word solaris_unimplemented	/* 			258	*/
-	.word solaris_unimplemented	/* 			259	*/
-	.word solaris_unimplemented	/* 			260	*/
-	.word solaris_unimplemented	/* 			261	*/
-	.word solaris_unimplemented	/* 			262	*/
-	.word solaris_unimplemented	/* 			263	*/
-	.word solaris_unimplemented	/* 			264	*/
-	.word solaris_unimplemented	/* 			265	*/
-	.word solaris_unimplemented	/* 			266	*/
-	.word solaris_unimplemented	/* 			267	*/
-	.word solaris_unimplemented	/* 			268	*/
-	.word solaris_unimplemented	/* 			269	*/
-	.word solaris_unimplemented	/* 			270	*/
-	.word solaris_unimplemented	/* 			271	*/
-	.word solaris_unimplemented	/* 			272	*/
-	.word solaris_unimplemented	/* 			273	*/
-	.word solaris_unimplemented	/* 			274	*/
-	.word solaris_unimplemented	/* 			275	*/
-	.word solaris_unimplemented	/* 			276	*/
-	.word solaris_unimplemented	/* 			277	*/
-	.word solaris_unimplemented	/* 			278	*/
-	.word solaris_unimplemented	/* 			279	*/
-	.word solaris_unimplemented	/* 			280	*/
-	.word solaris_unimplemented	/* 			281	*/
-	.word solaris_unimplemented	/* 			282	*/
-	.word solaris_unimplemented	/* 			283	*/
-

include/asm-sparc/unistd.h

@@ -315,11 +315,12 @@
 #define __NR_faccessat		296
 #define __NR_pselect6		297
 #define __NR_ppoll		298
+#define __NR_unshare		299
 
-/* WARNING: You MAY NOT add syscall numbers larger than 298, since
+/* WARNING: You MAY NOT add syscall numbers larger than 299, since
  *          all of the syscall tables in the Sparc kernel are
- *          sized to have 298 entries (starting at zero).  Therefore
- *          find a free slot in the 0-298 range.
+ *          sized to have 299 entries (starting at zero).  Therefore
+ *          find a free slot in the 0-299 range.
  */
 
 #define _syscall0(type,name) \

include/asm-sparc64/unistd.h

@@ -317,11 +317,12 @@
 #define __NR_faccessat		296
 #define __NR_pselect6		297
 #define __NR_ppoll		298
+#define __NR_unshare		299
 
-/* WARNING: You MAY NOT add syscall numbers larger than 298, since
+/* WARNING: You MAY NOT add syscall numbers larger than 299, since
  *          all of the syscall tables in the Sparc kernel are
- *          sized to have 298 entries (starting at zero).  Therefore
- *          find a free slot in the 0-298 range.
+ *          sized to have 299 entries (starting at zero).  Therefore
+ *          find a free slot in the 0-299 range.
  */
 
 #define _syscall0(type,name) \