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| author | Borislav Petkov <bp@alien8.de> | 2013-09-30 11:56:24 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-01 10:52:30 +0200 |
| commit | a17bce4d1dce8f3cf714bc2e5d8e4bac009dc077 (patch) | |
| tree | 82ad633278bb4cca203e07811af6bfa49a753a5c /kernel/smp.c | |
| parent | 646e29a1789a3a936871008c15199c50367bf291 (diff) | |
| download | lwn-a17bce4d1dce8f3cf714bc2e5d8e4bac009dc077.tar.gz lwn-a17bce4d1dce8f3cf714bc2e5d8e4bac009dc077.zip | |
x86/boot: Further compress CPUs bootup message
Turn it into (for example):
[ 0.073380] x86: Booting SMP configuration:
[ 0.074005] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7
[ 0.603005] .... node #1, CPUs: #8 #9 #10 #11 #12 #13 #14 #15
[ 1.200005] .... node #2, CPUs: #16 #17 #18 #19 #20 #21 #22 #23
[ 1.796005] .... node #3, CPUs: #24 #25 #26 #27 #28 #29 #30 #31
[ 2.393005] .... node #4, CPUs: #32 #33 #34 #35 #36 #37 #38 #39
[ 2.996005] .... node #5, CPUs: #40 #41 #42 #43 #44 #45 #46 #47
[ 3.600005] .... node #6, CPUs: #48 #49 #50 #51 #52 #53 #54 #55
[ 4.202005] .... node #7, CPUs: #56 #57 #58 #59 #60 #61 #62 #63
[ 4.811005] .... node #8, CPUs: #64 #65 #66 #67 #68 #69 #70 #71
[ 5.421006] .... node #9, CPUs: #72 #73 #74 #75 #76 #77 #78 #79
[ 6.032005] .... node #10, CPUs: #80 #81 #82 #83 #84 #85 #86 #87
[ 6.648006] .... node #11, CPUs: #88 #89 #90 #91 #92 #93 #94 #95
[ 7.262005] .... node #12, CPUs: #96 #97 #98 #99 #100 #101 #102 #103
[ 7.865005] .... node #13, CPUs: #104 #105 #106 #107 #108 #109 #110 #111
[ 8.466005] .... node #14, CPUs: #112 #113 #114 #115 #116 #117 #118 #119
[ 9.073006] .... node #15, CPUs: #120 #121 #122 #123 #124 #125 #126 #127
[ 9.679901] x86: Booted up 16 nodes, 128 CPUs
and drop useless elements.
Change num_digits() to hpa's division-avoiding, cell-phone-typed
version which he went at great lengths and pains to submit on a
Saturday evening.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: huawei.libin@huawei.com
Cc: wangyijing@huawei.com
Cc: fenghua.yu@intel.com
Cc: guohanjun@huawei.com
Cc: paul.gortmaker@windriver.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20130930095624.GB16383@pd.tnic
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/smp.c')
| -rw-r--r-- | kernel/smp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/smp.c b/kernel/smp.c index 0564571dcdf7..f5768b0c816a 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -524,6 +524,11 @@ 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) { @@ -540,7 +545,7 @@ void __init smp_init(void) } /* Any cleanup work */ - printk(KERN_INFO "Brought up %ld CPUs\n", (long)num_online_cpus()); + smp_announce(); smp_cpus_done(setup_max_cpus); } |