@@ -158,4 +158,11 @@ config HAVE_PERF_EVENTS_NMI
subsystem. Also has support for calculating CPU cycle events
to determine how many clock cycles in a given period.
+config HAVE_COMPAT_FTRACE_SYSCALLS
+ bool
+
+config COMPAT_FTRACE_SYSCALLS
+ def_bool y
+ depends on COMPAT && FTRACE_SYSCALLS && HAVE_COMPAT_FTRACE_SYSCALLS
+
source "kernel/gcov/Kconfig"
@@ -40,6 +40,7 @@ config X86
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
select HAVE_SYSCALL_TRACEPOINTS
+ select HAVE_COMPAT_FTRACE_SYSCALLS
select HAVE_KVM
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
@@ -16,10 +16,6 @@
#include <linux/sched.h>
#include <linux/err.h>
-#if defined(CONFIG_COMPAT) && defined(CONFIG_FTRACE_SYSCALLS)
- #define __HAVE_ARCH_FTRACE_COMPAT_SYSCALLS
-#endif
-
extern const unsigned long sys_call_table[];
extern const unsigned long *ia32_sys_call_table;
@@ -512,7 +512,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
}
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
-#ifdef __HAVE_ARCH_FTRACE_COMPAT_SYSCALLS
+#ifdef CONFIG_COMPAT_FTRACE_SYSCALLS
unsigned long __init arch_compat_syscall_addr(int nr)
{
return (unsigned long)(&ia32_sys_call_table)[nr];
@@ -222,7 +222,7 @@ extern struct trace_event_functions exit_syscall_print_funcs;
#define COMPAT_SYSCALL_DEFINE5(name, ...) COMPAT_SYSCALL_DEFINEx(5, compat_sys_##name, name, __VA_ARGS__)
#define COMPAT_SYSCALL_DEFINE6(name, ...) COMPAT_SYSCALL_DEFINEx(6, compat_sys_##name, name, __VA_ARGS__)
-#ifdef CONFIG_FTRACE_SYSCALLS
+#ifdef CONFIG_COMPAT_FTRACE_SYSCALLS
#define COMPAT_SYSCALL_DEFINEx(x, syscall, sname, ...) \
static const char *types_compat_sys_##sname[] = { \
__SC_STR_TDECL##x(__VA_ARGS__) \
@@ -519,7 +519,7 @@ int __init init_ftrace_syscalls(void)
meta->syscall_nr = i;
syscalls_metadata[i] = meta;
}
-#ifdef __HAVE_ARCH_FTRACE_COMPAT_SYSCALLS
+#ifdef CONFIG_COMPAT_FTRACE_SYSCALLS
if (NR_syscalls_compat) {
int match;
struct ftrace_event_call *ftrace_event;