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| author | David S. Miller <davem@davemloft.net> | 2017-01-28 18:33:06 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-28 18:33:06 +0300 |
| commit | 4e8f2fc1a55d543717efb70e170b09e773d0542b (patch) | |
| tree | 30df1d7fc9dfa24fe2916711a17656682c3f7ec9 /kernel/cpu.c | |
| parent | 158f323b9868b59967ad96957c4ca388161be321 (diff) | |
| parent | 1b1bc42c1692e9b62756323c675a44cb1a1f9dbd (diff) | |
| download | linux-4e8f2fc1a55d543717efb70e170b09e773d0542b.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two trivial overlapping changes conflicts in MPLS and mlx5.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index f75c4d031eeb..0a5f630f5c54 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -764,7 +764,6 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen, { struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu); int prev_state, ret = 0; - bool hasdied = false; if (num_online_cpus() == 1) return -EBUSY; @@ -809,7 +808,6 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen, cpuhp_kick_ap_work(cpu); } - hasdied = prev_state != st->state && st->state == CPUHP_OFFLINE; out: cpu_hotplug_done(); return ret; @@ -1302,10 +1300,24 @@ static int cpuhp_cb_check(enum cpuhp_state state) */ static int cpuhp_reserve_state(enum cpuhp_state state) { - enum cpuhp_state i; + enum cpuhp_state i, end; + struct cpuhp_step *step; - for (i = CPUHP_AP_ONLINE_DYN; i <= CPUHP_AP_ONLINE_DYN_END; i++) { - if (!cpuhp_ap_states[i].name) + switch (state) { + case CPUHP_AP_ONLINE_DYN: + step = cpuhp_ap_states + CPUHP_AP_ONLINE_DYN; + end = CPUHP_AP_ONLINE_DYN_END; + break; + case CPUHP_BP_PREPARE_DYN: + step = cpuhp_bp_states + CPUHP_BP_PREPARE_DYN; + end = CPUHP_BP_PREPARE_DYN_END; + break; + default: + return -EINVAL; + } + + for (i = state; i <= end; i++, step++) { + if (!step->name) return i; } WARN(1, "No more dynamic states available for CPU hotplug\n"); @@ -1323,7 +1335,7 @@ static int cpuhp_store_callbacks(enum cpuhp_state state, const char *name, mutex_lock(&cpuhp_state_mutex); - if (state == CPUHP_AP_ONLINE_DYN) { + if (state == CPUHP_AP_ONLINE_DYN || state == CPUHP_BP_PREPARE_DYN) { ret = cpuhp_reserve_state(state); if (ret < 0) goto out; |