Microblaze patches for 4.7-rc1

- Wire-up new syscalls
 - Fix link error
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Merge tag 'microblaze-4.7-rc1' of git://git.monstr.eu/linux-2.6-microblaze

Pull Microblaze updates from Michal Simek:

 - Wire-up new syscalls

 - Fix link error

* tag 'microblaze-4.7-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: pci: export isa_io_base to fix link errors
  microblaze: Wire up userfaultfd, membarrier, mlock2 syscalls

arch/microblaze/include/asm/unistd.h

@@ -38,6 +38,6 @@
 
 #endif /* __ASSEMBLY__ */
 
-#define __NR_syscalls         389
+#define __NR_syscalls         392
 
 #endif /* _ASM_MICROBLAZE_UNISTD_H */

arch/microblaze/include/uapi/asm/unistd.h

@@ -404,5 +404,8 @@
 #define __NR_memfd_create	386
 #define __NR_bpf		387
 #define __NR_execveat		388
+#define __NR_userfaultfd	389
+#define __NR_membarrier		390
+#define __NR_mlock2		391
 
 #endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */

arch/microblaze/kernel/syscall_table.S

@@ -389,3 +389,6 @@ ENTRY(sys_call_table)
 	.long sys_memfd_create
 	.long sys_bpf
 	.long sys_execveat
+	.long sys_userfaultfd
+	.long sys_membarrier		/* 390 */
+	.long sys_mlock2

arch/microblaze/pci/pci-common.c

@@ -48,6 +48,8 @@ static int global_phb_number;		/* Global phb counter */
 resource_size_t isa_mem_base;
 
 unsigned long isa_io_base;
+EXPORT_SYMBOL(isa_io_base);
+
 static int pci_bus_count;
 
 struct pci_controller *pcibios_alloc_controller(struct device_node *dev)