>>> On 28.01.14 at 03:18, Mukesh Rathor <mukesh.rat...@oracle.com> wrote: > Until now, xen did not expose PSE to pvh guest, but a patch was submitted > to xen list to enable bunch of features for a pvh guest. PSE has not been > looked into for PVH, so until we can do that and test it to make sure it > works, disable the feature to avoid flood of bugs. > > Signed-off-by: Mukesh Rathor <mukesh.rat...@oracle.com> > --- > arch/x86/xen/enlighten.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c > index a4d7b64..4e952046 100644 > --- a/arch/x86/xen/enlighten.c > +++ b/arch/x86/xen/enlighten.c > @@ -1497,6 +1497,11 @@ static void __init xen_pvh_early_guest_init(void) > xen_have_vector_callback = 1; > xen_pvh_set_cr_flags(0); > > + /* pvh guests are not quite ready for large pages yet */ > + setup_clear_cpu_cap(X86_FEATURE_PSE); > + setup_clear_cpu_cap(X86_FEATURE_PSE36);
And why would you not want to also turn of 1Gb pages then? Jan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
