Messages in this thread Patch in this message | | | From | Boris Ostrovsky <> | Subject | [PATCH 1/2] cpu/hotplug: Clarify description of __cpuhp_setup_state() return value | Date | Thu, 15 Dec 2016 10:00:57 -0500 |
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When ivoked with CPUHP_AP_ONLINE_DYN state __cpuhp_setup_state() is expected to return positive value which is the hotplug state that the routine assigns.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> ---
kernel/cpu.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/kernel/cpu.c b/kernel/cpu.c index 217fd2e..5339aca 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -1586,7 +1586,11 @@ int __cpuhp_state_add_instance(enum cpuhp_state state, struct hlist_node *node, * @startup: startup callback function * @teardown: teardown callback function * - * Returns 0 if successful, otherwise a proper error code + * Returns: + * On success: + * Positive state number if @state is CPUHP_AP_ONLINE_DYN + * 0 for all other states + * On failure: proper (negative) error code */ int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke, -- 1.7.1
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