parisc: Report software alignment faults via perf

Signed-off-by: Helge Deller <[e-mail]>

arch/parisc/kernel/unaligned.c

···
 #include <linux/uaccess.h>
 #include <linux/sysctl.h>
 #include <linux/unaligned.h>
+#include <linux/perf_event.h>
 #include <asm/hardirq.h>
 #include <asm/traps.h>
 #include "unaligned.h"
···
 	int ret = ERR_NOTHANDLED;
 
 	__inc_irq_stat(irq_unaligned_count);
+	perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, regs->ior);
 
 	/* log a message with pacing */
 	if (user_mode(regs)) {