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| author | Ingo Molnar <mingo@kernel.org> | 2018-01-30 17:08:27 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-01-30 17:08:27 +0300 |
| commit | 7e86548e2cc8d308cb75439480f428137151b0de (patch) | |
| tree | fa3bcdedb64f4642a21080bc2b4ddc69ce2b2285 /include/linux/cpu.h | |
| parent | 64e16720ea0879f8ab4547e3b9758936d483909b (diff) | |
| parent | d8a5b80568a9cb66810e75b182018e9edb68e8ff (diff) | |
| download | linux-7e86548e2cc8d308cb75439480f428137151b0de.tar.xz | |
Merge tag 'v4.15' into x86/pti, to be able to merge dependent changes
Time has come to switch PTI development over to a v4.15 base - we'll still
try to make sure that all PTI fixes backport cleanly to v4.14 and earlier.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 c816e6f2730c..7b01bc11c692 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -63,27 +63,17 @@ 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; |