Commit 7963b3f1 authored by Petri Gynther's avatar Petri Gynther Committed by Ralf Baechle
Browse files

MIPS: add nmi_enter() + nmi_exit() to nmi_exception_handler() 



We need to enter NMI context when NMI interrupt fires.

Signed-off-by: default avatarPetri Gynther <pgynther@google.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11323/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 1b4a5ddb

arch/mips/kernel/traps.c

+2 −0
Original line number Diff line number Diff line
@@ -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 */