Commit cc54c1e6 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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[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: default avatarHeiko Carstens <>
Signed-off-by: default avatarMartin Schwidefsky <>
parent 92e6ecf3
......@@ -357,8 +357,7 @@ s390_revalidate_registers(struct mci *mci)
* machine check handler.
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;
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