[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] pv/pvh: disable MTRR feature on cpuid for Dom0
MTRR is not available for PV/PVH Dom0, so prevent cpuid from reporting it as an available feature. Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx> Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx> Cc: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> Cc: Jan Beulich <JBeulich@xxxxxxxx> Cc: Keir Fraser <keir@xxxxxxx> --- xen/arch/x86/traps.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c index 940bc33..73b58dc 100644 --- a/xen/arch/x86/traps.c +++ b/xen/arch/x86/traps.c @@ -796,6 +796,7 @@ void pv_cpuid(struct cpu_user_regs *regs) __clear_bit(X86_FEATURE_DS, &d); __clear_bit(X86_FEATURE_ACC, &d); __clear_bit(X86_FEATURE_PBE, &d); + __clear_bit(X86_FEATURE_MTRR, &d); __clear_bit(X86_FEATURE_DTES64 % 32, &c); __clear_bit(X86_FEATURE_MWAIT % 32, &c); -- 1.7.7.5 (Apple Git-26) _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |