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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-13 18:23:19 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-13 18:23:19 -0800 |
| commit | 7d58e1c9059eefe0066c5acf2ffa582f6f0180e3 (patch) | |
| tree | 265d08c51c7f303f49b792b2362ee5f943e1c2e2 /include/linux/cpu.h | |
| parent | 2bcc673101268dc50e52b83226c5bbf38391e16d (diff) | |
| parent | f4c09f87adfe31587aa4b2aea2cb2dbde2150f54 (diff) | |
| download | lwn-7d58e1c9059eefe0066c5acf2ffa582f6f0180e3.tar.gz lwn-7d58e1c9059eefe0066c5acf2ffa582f6f0180e3.zip | |
Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp/hotplug updates from Thomas Gleixner:
"No functional changes, just removal of obsolete and outdated defines,
macros and documentation"
* 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Get rid of CPU hotplug notifier leftovers
cpu/hotplug: Remove obsolete notifier macros
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 938ea8ae0ba4..a04ef7c15c6a 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -56,27 +56,17 @@ extern void unregister_cpu(struct cpu *cpu); extern ssize_t arch_cpu_probe(const char *, size_t); extern ssize_t arch_cpu_release(const char *, size_t); #endif -struct notifier_block; - -#define CPU_ONLINE 0x0002 /* CPU (unsigned)v is up */ -#define CPU_UP_PREPARE 0x0003 /* CPU (unsigned)v coming up */ -#define CPU_DEAD 0x0007 /* CPU (unsigned)v dead */ -#define CPU_POST_DEAD 0x0009 /* CPU (unsigned)v dead, cpu_hotplug - * lock is dropped */ -#define CPU_BROKEN 0x000B /* CPU (unsigned)v did not die properly, - * perhaps due to preemption. */ - -/* Used for CPU hotplug events occurring while tasks are frozen due to a suspend - * operation in progress + +/* + * These states are not related to the core CPU hotplug mechanism. They are + * used by various (sub)architectures to track internal state */ -#define CPU_TASKS_FROZEN 0x0010 - -#define CPU_ONLINE_FROZEN (CPU_ONLINE | CPU_TASKS_FROZEN) -#define CPU_UP_PREPARE_FROZEN (CPU_UP_PREPARE | CPU_TASKS_FROZEN) -#define CPU_UP_CANCELED_FROZEN (CPU_UP_CANCELED | CPU_TASKS_FROZEN) -#define CPU_DOWN_PREPARE_FROZEN (CPU_DOWN_PREPARE | CPU_TASKS_FROZEN) -#define CPU_DOWN_FAILED_FROZEN (CPU_DOWN_FAILED | CPU_TASKS_FROZEN) -#define CPU_DEAD_FROZEN (CPU_DEAD | CPU_TASKS_FROZEN) +#define CPU_ONLINE 0x0002 /* CPU is up */ +#define CPU_UP_PREPARE 0x0003 /* CPU coming up */ +#define CPU_DEAD 0x0007 /* CPU dead */ +#define CPU_DEAD_FROZEN 0x0008 /* CPU timed out on unplug */ +#define CPU_POST_DEAD 0x0009 /* CPU successfully unplugged */ +#define CPU_BROKEN 0x000B /* CPU did not die properly */ #ifdef CONFIG_SMP extern bool cpuhp_tasks_frozen; |