ppc64: Add get/setaffinity syscalls, from sparc64

arch/ppc64/kernel/misc.S

@@ -722,7 +722,11 @@ _GLOBAL(sys_call_table32)
 	.llong .sys_lremovexattr
 	.llong .sys_fremovexattr	/* 220 */
 	.llong .sys_futex
-	.rept NR_syscalls-221
+	.llong .sys_ni_syscall		/* reserved for tux */
+	.llong .sys32_sched_setaffinity
+	.llong .sys32_sched_getaffinity
+
+	.rept NR_syscalls-224
 		.llong .sys_ni_syscall
 	.endr
 #endif
@@ -951,6 +955,10 @@ _GLOBAL(sys_call_table)
 	.llong .sys_lremovexattr
 	.llong .sys_fremovexattr	/* 220 */
 	.llong .sys_futex
-	.rept NR_syscalls-221
+	.llong .sys_ni_syscall		/* reserved for tux */
+	.llong .sys_sched_setaffinity
+	.llong .sys_sched_getaffinity
+
+	.rept NR_syscalls-224
 	.llong .sys_ni_syscall
 	.endr

arch/ppc64/kernel/sys_ppc32.c

@@ -4671,3 +4671,53 @@ asmlinkage long sys32_time(__kernel_time_t32* tloc)
 
 	return secs;
 }
+
+extern asmlinkage int sys_sched_setaffinity(pid_t pid, unsigned int len,
+					    unsigned long *user_mask_ptr);
+
+asmlinkage int sys32_sched_setaffinity(__kernel_pid_t32 pid, unsigned int len,
+				       u32 *user_mask_ptr)
+{
+	unsigned long kernel_mask;
+	mm_segment_t old_fs;
+	int ret;
+
+	if (get_user(kernel_mask, user_mask_ptr))
+		return -EFAULT;
+
+	old_fs = get_fs();
+	set_fs(KERNEL_DS);
+	ret = sys_sched_setaffinity(pid,
+				    /* XXX Nice api... */
+				    sizeof(kernel_mask),
+				    &kernel_mask);
+	set_fs(old_fs);
+
+	return ret;
+}
+
+extern asmlinkage int sys_sched_getaffinity(pid_t pid, unsigned int len,
+					    unsigned long *user_mask_ptr);
+
+asmlinkage int sys32_sched_getaffinity(__kernel_pid_t32 pid, unsigned int len,
+				       u32 *user_mask_ptr)
+{
+	unsigned long kernel_mask;
+	mm_segment_t old_fs;
+	int ret;
+
+	old_fs = get_fs();
+	set_fs(KERNEL_DS);
+	ret = sys_sched_getaffinity(pid,
+				    /* XXX Nice api... */
+				    sizeof(kernel_mask),
+				    &kernel_mask);
+	set_fs(old_fs);
+
+	if (ret == 0) {
+		if (put_user(kernel_mask, user_mask_ptr))
+			ret = -EFAULT;
+	}
+
+	return ret;
+}

include/asm-ppc64/unistd.h

@@ -230,6 +230,9 @@
 #define __NR_lremovexattr	219
 #define __NR_fremovexattr	220
 #define __NR_futex		221
+#define __NR_tux		222
+#define __NR_sched_setaffinity	223     
+#define __NR_sched_getaffinity	224
 
 #if 0
 /* Remind paulus to add these into ppc32 */