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authorJohn W. Linville <linville@tuxdriver.com>2012-02-15 16:24:37 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-02-15 16:24:37 -0500
commitca994a36f585432458ead9133fcfe05440edbb7b (patch)
treebe05512153a9cd5cbe1f1234bc09fd9cd388ec58 /arch/mips/kernel/traps.c
parent12325280dfeba18164f9c47e226a40ab34e23ee7 (diff)
parent2504a6423b9ab4c36df78227055995644de19edb (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts: net/mac80211/debugfs_sta.c net/mac80211/sta_info.h
Diffstat (limited to 'arch/mips/kernel/traps.c')
-rw-r--r--arch/mips/kernel/traps.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index bbddb86c1fa1..cc4a3f120f54 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -91,6 +91,7 @@ int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
void (*board_nmi_handler_setup)(void);
void (*board_ejtag_handler_setup)(void);
void (*board_bind_eic_interrupt)(int irq, int regset);
+void (*board_ebase_setup)(void);
static void show_raw_backtrace(unsigned long reg29)
@@ -400,7 +401,7 @@ void __noreturn die(const char *str, struct pt_regs *regs)
panic("Fatal exception in interrupt");
if (panic_on_oops) {
- printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n");
+ printk(KERN_EMERG "Fatal exception: panic in 5 seconds");
ssleep(5);
panic("Fatal exception");
}
@@ -1150,7 +1151,7 @@ asmlinkage void do_mt(struct pt_regs *regs)
asmlinkage void do_dsp(struct pt_regs *regs)
{
if (cpu_has_dsp)
- panic("Unexpected DSP exception\n");
+ panic("Unexpected DSP exception");
force_sig(SIGILL, current);
}
@@ -1339,9 +1340,18 @@ void ejtag_exception_handler(struct pt_regs *regs)
/*
* NMI exception handler.
+ * No lock; only written during early bootup by CPU 0.
*/
+static RAW_NOTIFIER_HEAD(nmi_chain);
+
+int register_nmi_notifier(struct notifier_block *nb)
+{
+ return raw_notifier_chain_register(&nmi_chain, nb);
+}
+
void __noreturn nmi_exception_handler(struct pt_regs *regs)
{
+ raw_notifier_call_chain(&nmi_chain, 0, regs);
bust_spinlocks(1);
printk("NMI taken!!!!\n");
die("NMI", regs);
@@ -1682,6 +1692,8 @@ void __init trap_init(void)
ebase += (read_c0_ebase() & 0x3ffff000);
}
+ if (board_ebase_setup)
+ board_ebase_setup();
per_cpu_trap_init();
/*