Jack Steiner (on Thu, 27 Apr 2006 17:08:58 -0500) wrote: >Pass the OS logical cpu number to the PROM. This allows PROM to >log the OS logical cpu number in error records viewed thru POD. >This signifinantly simplifies diagnosis of hardware errors on >large systems. > > Signed-off-by: Jack Steiner <steiner@xxxxxxx> > > > >Index: linux/arch/ia64/sn/kernel/setup.c >=================================================================== >--- linux.orig/arch/ia64/sn/kernel/setup.c 2006-04-22 08:50:14.567000831 -0500 >+++ linux/arch/ia64/sn/kernel/setup.c 2006-04-27 17:02:24.646672915 -0500 >@@ -597,6 +597,12 @@ void __init sn_cpu_init(void) > sn_hub_info->as_shift = sn_hub_info->nasid_shift - 2; > > /* >+ * Don't check status. The SAL call is not supported on all PROMs >+ * but a failure is harmless. >+ */ >+ (void) ia64_sn_set_cpu_number(smp_processor_id()); >+ >+ /* > * The boot cpu makes this call again after platform initialization is > * complete. > */ Nit pick. sn_cpu_init() defines a cpuid variable which is set to smp_processor_id(), but smp_processor_id() is used once (twice with this patch) before cpuid is defined and used. Move the definition of cpuid to the top of the function and use it throughout. - : send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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