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From: Andriy Gapon <avg@FreeBSD.org>
Date: Fri, 13 Apr 2012 07:18:19 +0000 (UTC)
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Subject: svn commit: r234208 - in head/sys: amd64/amd64 i386/i386
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Author: avg
Date: Fri Apr 13 07:18:19 2012
New Revision: 234208
URL: http://svn.freebsd.org/changeset/base/234208

Log:
  add actual interrupt counters to back ipi_invlcache_counts
  
  Otherwise one could run into a panic with COUNT_IPIS when cache
  invalidation actually happened.
  
  Reviewed by:	jhb
  MFC after:	1 week

Modified:
  head/sys/amd64/amd64/mp_machdep.c
  head/sys/i386/i386/mp_machdep.c

Modified: head/sys/amd64/amd64/mp_machdep.c
==============================================================================
--- head/sys/amd64/amd64/mp_machdep.c	Fri Apr 13 07:15:40 2012	(r234207)
+++ head/sys/amd64/amd64/mp_machdep.c	Fri Apr 13 07:18:19 2012	(r234208)
@@ -1471,6 +1471,8 @@ mp_ipi_intrcnt(void *dummy)
 		intrcnt_add(buf, &ipi_invlrng_counts[i]);
 		snprintf(buf, sizeof(buf), "cpu%d:invlpg", i);
 		intrcnt_add(buf, &ipi_invlpg_counts[i]);
+		snprintf(buf, sizeof(buf), "cpu%d:invlcache", i);
+		intrcnt_add(buf, &ipi_invlcache_counts[i]);
 		snprintf(buf, sizeof(buf), "cpu%d:preempt", i);
 		intrcnt_add(buf, &ipi_preempt_counts[i]);
 		snprintf(buf, sizeof(buf), "cpu%d:ast", i);

Modified: head/sys/i386/i386/mp_machdep.c
==============================================================================
--- head/sys/i386/i386/mp_machdep.c	Fri Apr 13 07:15:40 2012	(r234207)
+++ head/sys/i386/i386/mp_machdep.c	Fri Apr 13 07:18:19 2012	(r234208)
@@ -1530,6 +1530,8 @@ mp_ipi_intrcnt(void *dummy)
 		intrcnt_add(buf, &ipi_invlrng_counts[i]);
 		snprintf(buf, sizeof(buf), "cpu%d:invlpg", i);
 		intrcnt_add(buf, &ipi_invlpg_counts[i]);
+		snprintf(buf, sizeof(buf), "cpu%d:invlcache", i);
+		intrcnt_add(buf, &ipi_invlcache_counts[i]);
 		snprintf(buf, sizeof(buf), "cpu%d:preempt", i);
 		intrcnt_add(buf, &ipi_preempt_counts[i]);
 		snprintf(buf, sizeof(buf), "cpu%d:ast", i);