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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interrupts.c (841B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/fs.h>
      3#include <linux/init.h>
      4#include <linux/interrupt.h>
      5#include <linux/irqnr.h>
      6#include <linux/proc_fs.h>
      7#include <linux/seq_file.h>
      8
      9/*
     10 * /proc/interrupts
     11 */
     12static void *int_seq_start(struct seq_file *f, loff_t *pos)
     13{
     14	return (*pos <= nr_irqs) ? pos : NULL;
     15}
     16
     17static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
     18{
     19	(*pos)++;
     20	if (*pos > nr_irqs)
     21		return NULL;
     22	return pos;
     23}
     24
     25static void int_seq_stop(struct seq_file *f, void *v)
     26{
     27	/* Nothing to do */
     28}
     29
     30static const struct seq_operations int_seq_ops = {
     31	.start = int_seq_start,
     32	.next  = int_seq_next,
     33	.stop  = int_seq_stop,
     34	.show  = show_interrupts
     35};
     36
     37static int __init proc_interrupts_init(void)
     38{
     39	proc_create_seq("interrupts", 0, NULL, &int_seq_ops);
     40	return 0;
     41}
     42fs_initcall(proc_interrupts_init);