Date: Tue, 17 Sep 2013 17:56:53 +0000 (UTC) From: Peter Grehan <grehan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r255645 - head/sys/amd64/vmm Message-ID: <201309171756.r8HHurVA091520@svn.freebsd.org>
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Author: grehan Date: Tue Sep 17 17:56:53 2013 New Revision: 255645 URL: http://svnweb.freebsd.org/changeset/base/255645 Log: Hide TSC-deadline APIC timer support from guests. This mode isn't yet implemented in bhyve's APIC emulation. Reviewed by: neel Approved by: re@ (blanket) Modified: head/sys/amd64/vmm/x86.c Modified: head/sys/amd64/vmm/x86.c ============================================================================== --- head/sys/amd64/vmm/x86.c Tue Sep 17 17:39:40 2013 (r255644) +++ head/sys/amd64/vmm/x86.c Tue Sep 17 17:56:53 2013 (r255645) @@ -163,7 +163,12 @@ x86_emulate_cpuid(struct vm *vm, int vcp * Hide the performance and debug features. */ regs[2] &= ~CPUID2_PDCM; - + + /* + * No TSC deadline support in the APIC yet + */ + regs[2] &= ~CPUID2_TSCDLT; + /* * Hide thermal monitoring */
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