summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/ftrace_64.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/ftrace_64.S')
-rw-r--r--arch/x86/kernel/ftrace_64.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S
index 60e3b64f5ea6..0d54099c2a3a 100644
--- a/arch/x86/kernel/ftrace_64.S
+++ b/arch/x86/kernel/ftrace_64.S
@@ -157,6 +157,10 @@ SYM_INNER_LABEL(ftrace_caller_op_ptr, SYM_L_GLOBAL)
SYM_INNER_LABEL(ftrace_call, SYM_L_GLOBAL)
call ftrace_stub
+ /* Handlers can change the RIP */
+ movq RIP(%rsp), %rax
+ movq %rax, MCOUNT_REG_SIZE(%rsp)
+
restore_mcount_regs
/*