Path: csiph.com!goblin2!goblin1!goblin.stu.neva.ru!feeds.phibee-telecom.net!news.panservice.it!bofh.it!news.nic.it!robomod From: Anna-Maria Gleixner Newsgroups: linux.kernel Subject: [patch 24/66] perf/x86/amd/power: Change hotplug notifier to a symmetric structure Date: Mon, 11 Jul 2016 14:50:02 +0200 Message-ID: References: User-Agent: quilt/0.63-1 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=perf-x86-amd-power--Change-hotplug-notifier-to-a-symmetric-structure.patch X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001,URIBL_BLOCKED=0.001 Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 31 Organization: linux.* mail to news gateway X-Original-Cc: Peter Zijlstra , Ingo Molnar , Anna-Maria Gleixner X-Original-Date: Mon, 11 Jul 2016 12:28:40 -0000 X-Original-Message-ID: <20160711122532.629606977@linutronix.de> X-Original-References: <20160711122450.923603742@linutronix.de> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1440585 From: Anna-Maria Gleixner To simplify the hotplug mechanism move the starting callback to online. There is no functional requirement that the cpumask bit has to be set in the starting callback. Signed-off-by: Anna-Maria Gleixner --- arch/x86/events/amd/power.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/x86/events/amd/power.c +++ b/arch/x86/events/amd/power.c @@ -255,7 +255,7 @@ static void power_cpu_init(int cpu) * 1) If any CPU is set at cpu_mask in the same compute unit, do * nothing. * 2) If no CPU is set at cpu_mask in the same compute unit, - * set current STARTING CPU. + * set current ONLINE CPU. * * Note: if there is a CPU aside of the new one already in the * sibling mask, then it is also in cpu_mask. @@ -272,7 +272,7 @@ power_cpu_notifier(struct notifier_block switch (action & ~CPU_TASKS_FROZEN) { case CPU_DOWN_FAILED: - case CPU_STARTING: + case CPU_ONLINE: power_cpu_init(cpu); break; case CPU_DOWN_PREPARE: