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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-09-16 23:45:06 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-09-16 23:45:06 +0200 |
| commit | 8a177c4f17c691c2c9a08a54709d37c6db481a0b (patch) | |
| tree | 3cee80b12a57e7b83d501e5a73c2d856ce89615b /arch | |
| parent | [SPARC64]: Fix lockdep, particularly on SMP. (diff) | |
| download | linux-8a177c4f17c691c2c9a08a54709d37c6db481a0b.tar.xz linux-8a177c4f17c691c2c9a08a54709d37c6db481a0b.zip | |
[SPARC64]: Warn user if cpu is ignored.
When NR_CPUS is smaller than the cpu probed, let the user
know that the cpu won't be used.
Suggested by Al Viro.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc64/kernel/mdesc.c | 6 | ||||
| -rw-r--r-- | arch/sparc64/kernel/prom.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c index 9f22e4ff6015..856659bb1311 100644 --- a/arch/sparc64/kernel/mdesc.c +++ b/arch/sparc64/kernel/mdesc.c @@ -777,8 +777,12 @@ void __devinit mdesc_fill_in_cpu_data(cpumask_t mask) cpuid = *id; #ifdef CONFIG_SMP - if (cpuid >= NR_CPUS) + if (cpuid >= NR_CPUS) { + printk(KERN_WARNING "Ignoring CPU %d which is " + ">= NR_CPUS (%d)\n", + cpuid, NR_CPUS); continue; + } if (!cpu_isset(cpuid, mask)) continue; #else diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c index d1a78c976cef..0614dff63d7c 100644 --- a/arch/sparc64/kernel/prom.c +++ b/arch/sparc64/kernel/prom.c @@ -1583,8 +1583,12 @@ static void __init of_fill_in_cpu_data(void) ncpus_probed++; #ifdef CONFIG_SMP - if (cpuid >= NR_CPUS) + if (cpuid >= NR_CPUS) { + printk(KERN_WARNING "Ignoring CPU %d which is " + ">= NR_CPUS (%d)\n", + cpuid, NR_CPUS); continue; + } #else /* On uniprocessor we only want the values for the * real physical cpu the kernel booted onto, however |