Messages in this thread Patch in this message | | | Date | Thu, 15 Mar 2007 00:30:20 +0100 | From | Giuliano Pochini <> | Subject | Re: /sys/devices/system/cpu/cpuX/online are missing |
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On Tue, 13 Mar 2007 09:56:52 +0000 Russell King <rmk+lkml@arm.linux.org.uk> wrote:
> Right, here's the ARM fix which is now in the ARM tree: > [...]
The following patch seems to fix the issue (+ minor style fix). I'm not sure it's ok due to my poor knowledge of this code.
Signed-off-by: Giuliano Pochini <pochini@shiny.it>
--- linux-2.6.21rc3/arch/powerpc/kernel/setup_32.c__orig 2007-03-15 00:05:02.000000000 +0100 +++ linux-2.6.21rc3/arch/powerpc/kernel/setup_32.c 2007-03-15 00:07:02.000000000 +0100 @@ -195,18 +195,22 @@ EXPORT_SYMBOL(nvram_sync); #endif /* CONFIG_NVRAM */ -static struct cpu cpu_devices[NR_CPUS]; +static DEFINE_PER_CPU(struct cpu, cpu_devices); int __init ppc_init(void) { - int i; + int cpu; /* clear the progress line */ - if ( ppc_md.progress ) ppc_md.progress(" ", 0xffff); + if (ppc_md.progress) + ppc_md.progress(" ", 0xffff); /* register CPU devices */ - for_each_possible_cpu(i) - register_cpu(&cpu_devices[i], i); + for_each_possible_cpu(cpu) { + struct cpu *c = &per_cpu(cpu_devices, cpu); + c->hotpluggable = 1; + register_cpu(c, cpu); + } /* call platform init */ if (ppc_md.init != NULL) {
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