[PATCH] MIPS: add nmi_enter() + nmi_exit() to nmi_exception_handler()
From: Petri Gynther <hidden>
Date: 2015-10-19 18:50:26
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
We need to enter NMI context when NMI interrupt fires. Signed-off-by: Petri Gynther <redacted> --- arch/mips/kernel/traps.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index fdb392b..efcedd4 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c@@ -1856,12 +1856,14 @@ void __noreturn nmi_exception_handler(struct pt_regs *regs) { char str[100]; + nmi_enter(); raw_notifier_call_chain(&nmi_chain, 0, regs); bust_spinlocks(1); snprintf(str, 100, "CPU%d NMI taken, CP0_EPC=%lx\n", smp_processor_id(), regs->cp0_epc); regs->cp0_epc = read_c0_errorepc(); die(str, regs); + nmi_exit(); } #define VECTORSPACING 0x100 /* for EI/VI mode */
--
2.6.0.rc2.230.g3dd15c0