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() --- drivers/cpufreq/cpufreq_powersave.c | 39 +++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 drivers/cpufreq/cpufreq_powersave.c (limited to 'drivers/cpufreq/cpufreq_powersave.c') diff --git a/drivers/cpufreq/cpufreq_powersave.c b/drivers/cpufreq/cpufreq_powersave.c new file mode 100644 index 000000000..8d830d860 --- /dev/null +++ b/drivers/cpufreq/cpufreq_powersave.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/drivers/cpufreq/cpufreq_powersave.c + * + * Copyright (C) 2002 - 2003 Dominik Brodowski + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include +#include +#include + +static void cpufreq_gov_powersave_limits(struct cpufreq_policy *policy) +{ + pr_debug("setting to %u kHz\n", policy->min); + __cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L); +} + +static struct cpufreq_governor cpufreq_gov_powersave = { + .name = "powersave", + .limits = cpufreq_gov_powersave_limits, + .owner = THIS_MODULE, + .flags = CPUFREQ_GOV_STRICT_TARGET, +}; + +MODULE_AUTHOR("Dominik Brodowski "); +MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'"); +MODULE_LICENSE("GPL"); + +#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE +struct cpufreq_governor *cpufreq_default_governor(void) +{ + return &cpufreq_gov_powersave; +} +#endif + +cpufreq_governor_init(cpufreq_gov_powersave); +cpufreq_governor_exit(cpufreq_gov_powersave); -- cgit v1.3.1