From bdab18633a302c82b5e5d5dbc4e38b0baf9c0837 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 20 Sep 2026 08:15:23 -0700 Subject: Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull futex fix from Ingo Molnar: - Also allocate a default private futex hash on vfork() as well, to avoid races with (private) futex waiters (Peter Zijlstra) * tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Also allocate private hash on vfork() --- fs/proc/softirqs.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 fs/proc/softirqs.c (limited to 'fs/proc/softirqs.c') diff --git a/fs/proc/softirqs.c b/fs/proc/softirqs.c new file mode 100644 index 000000000..04bb29721 --- /dev/null +++ b/fs/proc/softirqs.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include +#include +#include "internal.h" + +/* + * /proc/softirqs ... display the number of softirqs + */ +static int show_softirqs(struct seq_file *p, void *v) +{ + int i, j; + + seq_puts(p, " "); + for_each_possible_cpu(i) + seq_printf(p, "CPU%-8d", i); + seq_putc(p, '\n'); + + for (i = 0; i < NR_SOFTIRQS; i++) { + seq_printf(p, "%12s:", softirq_to_name[i]); + for_each_possible_cpu(j) + seq_put_decimal_ull_width(p, " ", kstat_softirqs_cpu(i, j), 10); + seq_putc(p, '\n'); + } + return 0; +} + +static int __init proc_softirqs_init(void) +{ + struct proc_dir_entry *pde; + + pde = proc_create_single("softirqs", 0, NULL, show_softirqs); + pde_make_permanent(pde); + return 0; +} +fs_initcall(proc_softirqs_init); -- cgit v1.3.1