[PATCH] linux-2.4.23-pre5_nrcpus-fix_A1

[john stultz]

On Tue, 2003-09-23 at 17:59, john stultz wrote:
> 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. 
> 

Marcelo, All,
	James Cleverdon pointed out that I had a printk formatting typo in the
last revision of this patch ( "0x%d" - doh!).

Anyway, this revision corrects the error, changing 0x%d -> 0x%x.

thanks
-john

diff -Nru a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
--- a/arch/i386/kernel/mpparse.c	Wed Sep 24 15:02:51 2003
+++ b/arch/i386/kernel/mpparse.c	Wed Sep 24 15:02:51 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%x).\n", NR_CPUS, m->mpc_apicid);
+		return;
+	}
 	num_processors++;
 
 	if (m->mpc_apicid > MAX_APICS) {



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