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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 12:04:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 12:04:37 -0700
commit88ed86fee6651033de9b7038dac7869a9f19775a (patch)
tree38b638d2e7cba110ec271275738f221feb7e0a37 /fs/proc/interrupts.c
parent3856d30ded1fe43c6657927ebad402d25cd128f4 (diff)
parent59c7572e82d69483a66eaa67b46548baeb69ecf4 (diff)
Merge branch 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc
* 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc: (35 commits) proc: remove fs/proc/proc_misc.c proc: move /proc/vmcore creation to fs/proc/vmcore.c proc: move pagecount stuff to fs/proc/page.c proc: move all /proc/kcore stuff to fs/proc/kcore.c proc: move /proc/schedstat boilerplate to kernel/sched_stats.h proc: move /proc/modules boilerplate to kernel/module.c proc: move /proc/diskstats boilerplate to block/genhd.c proc: move /proc/zoneinfo boilerplate to mm/vmstat.c proc: move /proc/vmstat boilerplate to mm/vmstat.c proc: move /proc/pagetypeinfo boilerplate to mm/vmstat.c proc: move /proc/buddyinfo boilerplate to mm/vmstat.c proc: move /proc/vmallocinfo to mm/vmalloc.c proc: move /proc/slabinfo boilerplate to mm/slub.c, mm/slab.c proc: move /proc/slab_allocators boilerplate to mm/slab.c proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c proc: move /proc/stat to fs/proc/stat.c proc: move rest of /proc/partitions code to block/genhd.c proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c proc: move /proc/devices code to fs/proc/devices.c proc: move rest of /proc/locks to fs/locks.c ...
Diffstat (limited to 'fs/proc/interrupts.c')
-rw-r--r--fs/proc/interrupts.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c
new file mode 100644
index 00000000000..05029c0e2f2
--- /dev/null
+++ b/fs/proc/interrupts.c
@@ -0,0 +1,53 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irqnr.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+/*
+ * /proc/interrupts
+ */
+static void *int_seq_start(struct seq_file *f, loff_t *pos)
+{
+ return (*pos <= nr_irqs) ? pos : NULL;
+}
+
+static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
+{
+ (*pos)++;
+ if (*pos > nr_irqs)
+ return NULL;
+ return pos;
+}
+
+static void int_seq_stop(struct seq_file *f, void *v)
+{
+ /* Nothing to do */
+}
+
+static const struct seq_operations int_seq_ops = {
+ .start = int_seq_start,
+ .next = int_seq_next,
+ .stop = int_seq_stop,
+ .show = show_interrupts
+};
+
+static int interrupts_open(struct inode *inode, struct file *filp)
+{
+ return seq_open(filp, &int_seq_ops);
+}
+
+static const struct file_operations proc_interrupts_operations = {
+ .open = interrupts_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static int __init proc_interrupts_init(void)
+{
+ proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
+ return 0;
+}
+module_init(proc_interrupts_init);