svn commit: r267218 - projects/bhyve_svm/sys/amd64/vmm/amd

[Peter Grehan]

Author: grehan
Date: Sat Jun  7 23:08:06 2014
New Revision: 267218
URL: http://svnweb.freebsd.org/changeset/base/267218

Log:
  Allow the TSC MSR to be accessed directly from the guest.

Modified:
  projects/bhyve_svm/sys/amd64/vmm/amd/svm.c

Modified: projects/bhyve_svm/sys/amd64/vmm/amd/svm.c
==============================================================================
--- projects/bhyve_svm/sys/amd64/vmm/amd/svm.c	Sat Jun  7 23:05:12 2014	(r267217)
+++ projects/bhyve_svm/sys/amd64/vmm/amd/svm.c	Sat Jun  7 23:08:06 2014	(r267218)
@@ -447,6 +447,8 @@ svm_vminit(struct vm *vm, pmap_t pmap)
 	/* For Nested Paging/RVI only. */
 	svm_msr_rw_ok(svm_sc->msr_bitmap, MSR_PAT);
 
+	svm_msr_rd_ok(svm_sc->msr_bitmap, MSR_TSC);
+
 	 /* Intercept access to all I/O ports. */
 	memset(svm_sc->iopm_bitmap, 0xFF, sizeof(svm_sc->iopm_bitmap));