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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 10:02:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 10:02:01 -0800
commit9ad1aeecdbbf002637f0466e8935a3248d1843ad (patch)
tree01f884f3a62331273c2b07a16a5deb5b58174c1f /kernel
parent718c0ddd6aa911fd2a6fb1b6e050fbaee8060e61 (diff)
parent51111dce2509506d16efd321939895ff7ffe1dc2 (diff)
Merge branch 'core-smp-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP bootup updates from Ingo Molnar: "Three changes to unify/standardize some of the bootup message printing in kernel/smp.c between architectures" * 'core-smp-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: kernel/smp: Tell the user we're bringing up secondary CPUs kernel/smp: Make the SMP boot message common on all arches kernel/smp: Define pr_fmt() for smp.c
Diffstat (limited to 'kernel')
-rw-r--r--kernel/smp.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/kernel/smp.c b/kernel/smp.c
index bba3b201668d..77fcdb9f2775 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -3,6 +3,9 @@
*
* (C) Jens Axboe <jens.axboe@oracle.com> 2008
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/irq_work.h>
#include <linux/rcupdate.h>
#include <linux/rculist.h>
@@ -543,19 +546,17 @@ void __init setup_nr_cpu_ids(void)
nr_cpu_ids = find_last_bit(cpumask_bits(cpu_possible_mask),NR_CPUS) + 1;
}
-void __weak smp_announce(void)
-{
- printk(KERN_INFO "Brought up %d CPUs\n", num_online_cpus());
-}
-
/* Called by boot processor to activate the rest. */
void __init smp_init(void)
{
+ int num_nodes, num_cpus;
unsigned int cpu;
idle_threads_init();
cpuhp_threads_init();
+ pr_info("Bringing up secondary CPUs ...\n");
+
/* FIXME: This should be done in userspace --RR */
for_each_present_cpu(cpu) {
if (num_online_cpus() >= setup_max_cpus)
@@ -564,8 +565,13 @@ void __init smp_init(void)
cpu_up(cpu);
}
+ num_nodes = num_online_nodes();
+ num_cpus = num_online_cpus();
+ pr_info("Brought up %d node%s, %d CPU%s\n",
+ num_nodes, (num_nodes > 1 ? "s" : ""),
+ num_cpus, (num_cpus > 1 ? "s" : ""));
+
/* Any cleanup work */
- smp_announce();
smp_cpus_done(setup_max_cpus);
}