[S390] ftrace: dont trace machine check handler

The ftrace code is currently not reentrant, so we better don't trace our machine check handler. Machine checks are handled like NMIs on s390. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
git-mirror · Mar 26, 2009 · cc54c1e · cc54c1e
1 parent 92e6ecf
commit cc54c1e
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
@@ -357,8 +357,7 @@ s390_revalidate_registers(struct mci *mci)
 /*
  * machine check handler.
  */
-void
-s390_do_machine_check(struct pt_regs *regs)
+void notrace s390_do_machine_check(struct pt_regs *regs)
 {
 	static DEFINE_SPINLOCK(ipd_lock);
 	static unsigned long long last_ipd;