Author: ivoras
Date: Tue Mar 2 23:57:42 2010
New Revision: 204611
URL: http://svn.freebsd.org/changeset/base/204611
Log:
Document the VM detection type and sysctl a bit better.
Modified:
head/sys/kern/subr_param.c
head/sys/sys/systm.h
Modified: head/sys/kern/subr_param.c
==============================================================================
--- head/sys/kern/subr_param.c Tue Mar 2 23:53:38 2010 (r204610)
+++ head/sys/kern/subr_param.c Tue Mar 2 23:57:42 2010 (r204611)
@@ -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: head/sys/sys/systm.h
==============================================================================
--- head/sys/sys/systm.h Tue Mar 2 23:53:38 2010 (r204610)
+++ head/sys/sys/systm.h Tue Mar 2 23:57:42 2010 (r204611)
@@ -65,6 +65,9 @@ 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 */
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