aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/syscall.h7
-rw-r--r--arch/s390/kernel/ftrace.c10
2 files changed, 7 insertions, 10 deletions
diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h
index e0a73d3eb837..8429686951f9 100644
--- a/arch/s390/include/asm/syscall.h
+++ b/arch/s390/include/asm/syscall.h
@@ -15,6 +15,13 @@
15#include <linux/sched.h> 15#include <linux/sched.h>
16#include <asm/ptrace.h> 16#include <asm/ptrace.h>
17 17
18/*
19 * The syscall table always contains 32 bit pointers since we know that the
20 * address of the function to be called is (way) below 4GB. So the "int"
21 * type here is what we want [need] for both 32 bit and 64 bit systems.
22 */
23extern const unsigned int sys_call_table[];
24
18static inline long syscall_get_nr(struct task_struct *task, 25static inline long syscall_get_nr(struct task_struct *task,
19 struct pt_regs *regs) 26 struct pt_regs *regs)
20{ 27{
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 5a82bc68193e..9e69449e77ad 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -200,13 +200,3 @@ out:
200 return parent; 200 return parent;
201} 201}
202#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ 202#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
203
204#ifdef CONFIG_FTRACE_SYSCALLS
205
206extern unsigned int sys_call_table[];
207
208unsigned long __init arch_syscall_addr(int nr)
209{
210 return (unsigned long)sys_call_table[nr];
211}
212#endif