diff options
Diffstat (limited to 'arch/powerpc/kernel/cacheinfo.c')
| -rw-r--r-- | arch/powerpc/kernel/cacheinfo.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c index 862e2890bd3d..470336277c67 100644 --- a/arch/powerpc/kernel/cacheinfo.c +++ b/arch/powerpc/kernel/cacheinfo.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Processor cache information made available to userspace via sysfs; * intended to be compatible with x86 intel_cacheinfo implementation. * * Copyright 2008 IBM Corporation * Author: Nathan Lynch - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/cpu.h> @@ -353,8 +350,6 @@ static int cache_is_unified_d(const struct device_node *np) CACHE_TYPE_UNIFIED_D : CACHE_TYPE_UNIFIED; } -/* - */ static struct cache *cache_do_one_devnode_unified(struct device_node *node, int level) { pr_debug("creating L%d ucache for %pOF\n", level, node); @@ -896,4 +891,25 @@ void cacheinfo_cpu_offline(unsigned int cpu_id) if (cache) cache_cpu_clear(cache, cpu_id); } + +void cacheinfo_teardown(void) +{ + unsigned int cpu; + + lockdep_assert_cpus_held(); + + for_each_online_cpu(cpu) + cacheinfo_cpu_offline(cpu); +} + +void cacheinfo_rebuild(void) +{ + unsigned int cpu; + + lockdep_assert_cpus_held(); + + for_each_online_cpu(cpu) + cacheinfo_cpu_online(cpu); +} + #endif /* (CONFIG_PPC_PSERIES && CONFIG_SUSPEND) || CONFIG_HOTPLUG_CPU */ |