patch-2.4.23 linux-2.4.23/arch/x86_64/kernel/smp.c

• Lines: 27
• Date: 2003-11-28 10:26:19.000000000 -0800
• Orig file: linux-2.4.22/arch/x86_64/kernel/smp.c
• Orig date: 2003-08-25 04:44:40.000000000 -0700

diff -urN linux-2.4.22/arch/x86_64/kernel/smp.c linux-2.4.23/arch/x86_64/kernel/smp.c
@@ -548,26 +548,3 @@
 		atomic_inc(&call_data->finished);
 	}
 }
-
-/* Slow. Should be only used for debugging. */
-int slow_smp_processor_id(void)
-{ 
-	int stack_location;
-	unsigned long sp = (unsigned long)&stack_location; 
-	int offset = 0, cpu;
-
-	for (offset = 0; (cpu_online_map >> offset); offset = cpu + 1) { 
-		cpu = ffz(~(cpu_online_map >> offset));
-
-		if (sp >= (u64)cpu_pda[cpu].irqstackptr - IRQSTACKSIZE && 
-		    sp <= (u64)cpu_pda[cpu].irqstackptr)
-			return cpu;
-
-		unsigned long estack = init_tss[cpu].ist[0] - EXCEPTION_STKSZ;
-		if (sp >= estack && sp <= estack+(1<<(PAGE_SHIFT+EXCEPTION_STK_ORDER)))
-			return cpu;			
-	}
-
-	return stack_smp_processor_id();
-} 
-