ftrace/x86: Add save_regs for i386 function calls

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / ftrace.c

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index b90eb1a13071bcf4aab93855101b0c6865176ae7..1d414029f1d800ff67ae21bd2e74794ad06efa32 100644 (file)
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -206,7 +206,6 @@ static int
 ftrace_modify_code(unsigned long ip, unsigned const char *old_code,
                   unsigned const char *new_code);
 
-#ifdef ARCH_SUPPORTS_FTRACE_SAVE_REGS
 /*
  * Should never be called:
  *  As it is only called by __ftrace_replace_code() which is called by
@@ -221,7 +220,6 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
        WARN_ON(1);
        return -EINVAL;
 }
-#endif
 
 int ftrace_update_ftrace_func(ftrace_func_t func)
 {
@@ -237,7 +235,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
 
        ret = ftrace_modify_code(ip, old, new);
 
-#ifdef ARCH_SUPPORTS_FTRACE_SAVE_REGS
        /* Also update the regs callback function */
        if (!ret) {
                ip = (unsigned long)(&ftrace_regs_call);
@@ -245,7 +242,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
                new = ftrace_call_replace(ip, (unsigned long)func);
                ret = ftrace_modify_code(ip, old, new);
        }
-#endif
 
        atomic_dec(&modifying_ftrace_code);