Commit-ID: 512f09801b356c54baef62543e51169f03b2e642 Gitweb: http://git.kernel.org/tip/512f09801b356c54baef62543e51169f03b2e642 Author: Boris Ostrovsky <boris.ostrov...@oracle.com> AuthorDate: Thu, 15 Dec 2016 10:00:57 -0500 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Thu, 15 Dec 2016 17:48:20 +0100
cpu/hotplug: Clarify description of __cpuhp_setup_state() return value When invoked 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.ostrov...@oracle.com> Cc: linux...@vger.kernel.org Cc: viresh.ku...@linaro.org Cc: bige...@linutronix.de Cc: r...@rjwysocki.net Cc: xen-de...@lists.xenproject.org Link: http://lkml.kernel.org/r/1481814058-4799-2-git-send-email-boris.ostrov...@oracle.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- kernel/cpu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) 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 @@ EXPORT_SYMBOL_GPL(__cpuhp_state_add_instance); * @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,
