The Subjecy says it all:
This patch fixes booting of a SMP-compiled i386 kernel on a SMP-capable
motherboard with (one) non SMP-capable (= APIC-less) CPU.
Example: AMD K6 in a dual i430TX board.
Christoph
-- Always remember that you are unique. Just like everyone else.--- linux/arch/i386/kernel/setup.c~ Fri Jul 7 04:42:06 2000 +++ linux/arch/i386/kernel/setup.c Tue Jul 18 19:22:48 2000 @@ -723,7 +723,8 @@ /* * get boot-time SMP configuration: */ - if (smp_found_config) + if (smp_found_config && /* try only if the cpu has a local apic */ + (boot_cpu_data.x86_capability & X86_FEATURE_APIC)) get_smp_config(); #endif #ifdef CONFIG_X86_LOCAL_APIC
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