svn commit: r204827 - in stable/8/sys: kern sys

[Ivan Voras]

Author: ivoras
Date: Sun Mar  7 12:29:50 2010
New Revision: 204827
URL: http://svn.freebsd.org/changeset/base/204827

Log:
  MFC r204611, r204633: Comment and better sysctl documentation string for
  VM guest detection variable and sysctl.

Modified:
  stable/8/sys/kern/subr_param.c
  stable/8/sys/sys/systm.h
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)
  stable/8/sys/netinet/   (props changed)

Modified: stable/8/sys/kern/subr_param.c
==============================================================================
--- stable/8/sys/kern/subr_param.c	Sun Mar  7 10:47:47 2010	(r204826)
+++ stable/8/sys/kern/subr_param.c	Sun Mar  7 12:29:50 2010	(r204827)
@@ -124,7 +124,7 @@ SYSCTL_ULONG(_kern, OID_AUTO, sgrowsiz, 
     "Amount to grow stack on a stack fault");
 SYSCTL_PROC(_kern, OID_AUTO, vm_guest, CTLFLAG_RD | CTLTYPE_STRING,
     NULL, 0, sysctl_kern_vm_guest, "A",
-    "Virtual machine detected? (none|generic|xen)");
+    "Virtual machine guest detected? (none|generic|xen)");
 
 /*
  * These have to be allocated somewhere; allocating

Modified: stable/8/sys/sys/systm.h
==============================================================================
--- stable/8/sys/sys/systm.h	Sun Mar  7 10:47:47 2010	(r204826)
+++ stable/8/sys/sys/systm.h	Sun Mar  7 12:29:50 2010	(r204827)
@@ -67,6 +67,11 @@ extern int maxusers;		/* system tune hin
 extern int ngroups_max;		/* max # of supplemental groups */
 extern int vm_guest;		/* Running as virtual machine guest? */
 
+/*
+ * Detected virtual machine guest types. The intention is to expand
+ * and/or add to the VM_GUEST_VM type if specific VM functionality is
+ * ever implemented (e.g. vendor-specific paravirtualization features).
+ */
 enum VM_GUEST { VM_GUEST_NO = 0, VM_GUEST_VM, VM_GUEST_XEN };
 
 #ifdef	INVARIANTS		/* The option is always available */