For many moons, we've been executing identify_cpu()
on the boot processor twice on SMP kernels.
This is harmless, but has a few downsides..
- Extra cruft in bootlog/dmesg
- Spawns one too many timers for the mcheck handler
- possibly other wasteful things..
This seems to do the right thing here..
diff -urpN --exclude-from=/home/davej/.exclude bk-linus/arch/i386/kernel/smpboot.c linux-2.5/arch/i386/kernel/smpboot.c
--- bk-linus/arch/i386/kernel/smpboot.c 2002-10-20 20:21:24.000000000 -0100
+++ linux-2.5/arch/i386/kernel/smpboot.c 2002-10-25 15:39:26.000000000 -0100
@@ -118,7 +118,8 @@ static void __init smp_store_cpu_info(in
struct cpuinfo_x86 *c = cpu_data + id;
*c = boot_cpu_data;
- identify_cpu(c);
+ if (id!=0)
+ identify_cpu(c);
/*
* Mask B, Pentium, but not Pentium MMX
*/
-
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This archive was generated by hypermail 2b29 : Thu Oct 31 2002 - 22:00:31 EST