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| author | Greg KH <gregkh@suse.de> | 2005-09-12 12:10:59 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-12 12:10:59 -0700 |
| commit | ad2c10f8f00d3fe2e37dd8a107e7cf4ac0459489 (patch) | |
| tree | 5571f6a5784f51efddf9c1ee0408894cd63a460f /arch/ppc64/kernel/pSeries_smp.c | |
| parent | 6b7839007098a6b5612d31690e11277d4242e6ae (diff) | |
| parent | 2ade81473636b33aaac64495f89a7dc572c529f0 (diff) | |
| download | linux-ad2c10f8f00d3fe2e37dd8a107e7cf4ac0459489.tar.bz2 | |
Merge ../torvalds-2.6/
Diffstat (limited to 'arch/ppc64/kernel/pSeries_smp.c')
| -rw-r--r-- | arch/ppc64/kernel/pSeries_smp.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/ppc64/kernel/pSeries_smp.c b/arch/ppc64/kernel/pSeries_smp.c index 79c7f3223665..d2c7e2c4733b 100644 --- a/arch/ppc64/kernel/pSeries_smp.c +++ b/arch/ppc64/kernel/pSeries_smp.c @@ -272,6 +272,7 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) unsigned long start_here = __pa((u32)*((unsigned long *) pSeries_secondary_smp_init)); unsigned int pcpu; + int start_cpu; if (cpu_isset(lcpu, of_spin_map)) /* Already started by OF and sitting in spin loop */ @@ -282,12 +283,20 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) /* Fixup atomic count: it exited inside IRQ handler. */ paca[lcpu].__current->thread_info->preempt_count = 0; - status = rtas_call(rtas_token("start-cpu"), 3, 1, NULL, - pcpu, start_here, lcpu); + /* + * If the RTAS start-cpu token does not exist then presume the + * cpu is already spinning. + */ + start_cpu = rtas_token("start-cpu"); + if (start_cpu == RTAS_UNKNOWN_SERVICE) + return 1; + + status = rtas_call(start_cpu, 3, 1, NULL, pcpu, start_here, lcpu); if (status != 0) { printk(KERN_ERR "start-cpu failed: %i\n", status); return 0; } + return 1; } |