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Diffstat (limited to 'arch/sh/kernel/traps_64.c')
-rw-r--r--arch/sh/kernel/traps_64.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c
index e67e140bf1f6..6713ca97e553 100644
--- a/arch/sh/kernel/traps_64.c
+++ b/arch/sh/kernel/traps_64.c
@@ -24,6 +24,7 @@
#include <linux/interrupt.h>
#include <linux/sysctl.h>
#include <linux/module.h>
+#include <linux/perf_event.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -50,7 +51,7 @@ asmlinkage void do_##name(unsigned long error_code, struct pt_regs *regs) \
do_unhandled_exception(trapnr, signr, str, __stringify(name), error_code, regs, current); \
}
-spinlock_t die_lock;
+static DEFINE_SPINLOCK(die_lock);
void die(const char * str, struct pt_regs * regs, long err)
{
@@ -433,6 +434,8 @@ static int misaligned_load(struct pt_regs *regs,
return error;
}
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, address);
+
destreg = (opcode >> 4) & 0x3f;
if (user_mode(regs)) {
__u64 buffer;
@@ -509,6 +512,8 @@ static int misaligned_store(struct pt_regs *regs,
return error;
}
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, address);
+
srcreg = (opcode >> 4) & 0x3f;
if (user_mode(regs)) {
__u64 buffer;
@@ -583,6 +588,8 @@ static int misaligned_fpu_load(struct pt_regs *regs,
return error;
}
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, address);
+
destreg = (opcode >> 4) & 0x3f;
if (user_mode(regs)) {
__u64 buffer;
@@ -658,6 +665,8 @@ static int misaligned_fpu_store(struct pt_regs *regs,
return error;
}
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, address);
+
srcreg = (opcode >> 4) & 0x3f;
if (user_mode(regs)) {
__u64 buffer;