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Subject[PATCH] linux-2.4.23-pre5_nrcpus-fix_A0
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Marcelo, all,
This is a backported patch from 2.5 that fixes array overflows and
memory corruption when booting on boxes with more processors then
CONFIG_NR_CPUS.

Please consider for acceptance.

thanks
-john

diff -Nru a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
--- a/arch/i386/kernel/mpparse.c Tue Sep 23 17:54:34 2003
+++ b/arch/i386/kernel/mpparse.c Tue Sep 23 17:54:34 2003
@@ -229,6 +229,11 @@
boot_cpu_logical_apicid = logical_apicid;
}

+ if (num_processors >= NR_CPUS){
+ printk(KERN_WARNING "NR_CPUS limit of %i reached. Cannot "
+ "boot CPU(apicid 0x%d).\n", NR_CPUS, m->mpc_apicid);
+ return;
+ }
num_processors++;

if (m->mpc_apicid > MAX_APICS) {


-
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