make SYSCALL_DEFINE<n>-generated wrappers do asmlinkage_protect

... and switch i386 to HAVE_SYSCALL_WRAPPERS, killing open-coded
uses of asmlinkage_protect() in a bunch of syscalls.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 5 insertions, 9 deletions

diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c
index 9d9d2f9e77a5..f7fec09e3e3a 100644
--- a/arch/x86/kernel/tls.c
+++ b/arch/x86/kernel/tls.c
@@ -3,13 +3,13 @@
 #include <linux/sched.h>
 #include <linux/user.h>
 #include <linux/regset.h>
+#include <linux/syscalls.h>
 
 #include <asm/uaccess.h>
 #include <asm/desc.h>
 #include <asm/ldt.h>
 #include <asm/processor.h>
 #include <asm/proto.h>
-#include <asm/syscalls.h>
 
 #include "tls.h"
 
@@ -89,11 +89,9 @@ int do_set_thread_area(struct task_struct *p, int idx,
         return 0;
 }
 
-asmlinkage int sys_set_thread_area(struct user_desc __user *u_info)
+SYSCALL_DEFINE1(set_thread_area, struct user_desc __user *, u_info)
 {
-        int ret = do_set_thread_area(current, -1, u_info, 1);
-        asmlinkage_protect(1, ret, u_info);
-        return ret;
+        return do_set_thread_area(current, -1, u_info, 1);
 }
 
 
@@ -139,11 +137,9 @@ int do_get_thread_area(struct task_struct *p, int idx,
         return 0;
 }
 
-asmlinkage int sys_get_thread_area(struct user_desc __user *u_info)
+SYSCALL_DEFINE1(get_thread_area, struct user_desc __user *, u_info)
 {
-        int ret = do_get_thread_area(current, -1, u_info);
-        asmlinkage_protect(1, ret, u_info);
-        return ret;
+        return do_get_thread_area(current, -1, u_info);
 }
 
 int regset_tls_active(struct task_struct *target,