Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 22 May 2011 20:19:01 +0000 (UTC)
From:      Attilio Rao <attilio@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject:   svn commit: r222193 - projects/largeSMP/sys/mips/mips
Message-ID:  <201105222019.p4MKJ1gd088943@svn.freebsd.org>

next in thread | raw e-mail | index | archive | help
Author: attilio
Date: Sun May 22 20:19:01 2011
New Revision: 222193
URL: http://svn.freebsd.org/changeset/base/222193

Log:
  Fix a bug where the index cpu is just plain wrong, thus the kernel
  livelocks.
  
  Reported by:	gonzo

Modified:
  projects/largeSMP/sys/mips/mips/mp_machdep.c

Modified: projects/largeSMP/sys/mips/mips/mp_machdep.c
==============================================================================
--- projects/largeSMP/sys/mips/mips/mp_machdep.c	Sun May 22 19:58:18 2011	(r222192)
+++ projects/largeSMP/sys/mips/mips/mp_machdep.c	Sun May 22 20:19:01 2011	(r222193)
@@ -210,8 +210,9 @@ cpu_mp_setmaxid(void)
 	last = 1;
 	while ((cpu = cpusetobj_ffs(&cpumask)) != 0) {
 		last = cpu;
-		mp_ncpus++;
+		cpu--;
 		CPU_CLR(cpu, &cpumask);
+		mp_ncpus++;
 	}
 	if (mp_ncpus <= 0)
 		mp_ncpus = 1;



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201105222019.p4MKJ1gd088943>