cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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irq.c (854B)

      1/*
      2 * irq.c
      3 *
      4 * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
      5 *
      6 * This file is subject to the terms and conditions of the GNU General Public
      7 * License.  See the file COPYING in the main directory of this archive
      8 * for more details.
      9 */
     10
     11#include <linux/types.h>
     12#include <linux/init.h>
     13#include <linux/kernel.h>
     14#include <linux/kernel_stat.h>
     15#include <linux/interrupt.h>
     16#include <linux/irq.h>
     17#include <linux/seq_file.h>
     18#include <asm/traps.h>
     19
     20asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
     21{
     22	struct pt_regs *oldregs = set_irq_regs(regs);
     23
     24	irq_enter();
     25	generic_handle_irq(irq);
     26	irq_exit();
     27
     28	set_irq_regs(oldregs);
     29}
     30
     31
     32/* The number of spurious interrupts */
     33atomic_t irq_err_count;
     34
     35int arch_show_interrupts(struct seq_file *p, int prec)
     36{
     37	seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
     38	return 0;
     39}