summaryrefslogtreecommitdiff
path: root/arch/mips/kernel/traps.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/kernel/traps.c')
-rw-r--r--arch/mips/kernel/traps.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index fdb392b27..886cb1976 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -37,6 +37,7 @@
#include <linux/irq.h>
#include <linux/perf_event.h>
+#include <asm/addrspace.h>
#include <asm/bootinfo.h>
#include <asm/branch.h>
#include <asm/break.h>
@@ -1856,12 +1857,14 @@ 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 */
@@ -2204,12 +2207,8 @@ void __init trap_init(void)
ebase = (unsigned long)
__alloc_bootmem(size, 1 << fls(size), 0);
} else {
-#ifdef CONFIG_KVM_GUEST
-#define KVM_GUEST_KSEG0 0x40000000
- ebase = KVM_GUEST_KSEG0;
-#else
- ebase = CKSEG0;
-#endif
+ ebase = CAC_BASE;
+
if (cpu_has_mips_r2_r6)
ebase += (read_c0_ebase() & 0x3ffff000);
}