On 28/09/15 15:09, Jan Beulich wrote: >>>> On 28.09.15 at 14:39, <ross.lagerw...@citrix.com> wrote: >> --- a/xen/arch/x86/mm/p2m-ept.c >> +++ b/xen/arch/x86/mm/p2m-ept.c >> @@ -34,6 +34,8 @@ >> >> #include "mm-locks.h" >> >> +static bool_t __read_mostly cpu_has_ept_ad; > > This should be > #define cpu_has_ept_ad (vmx_ept_vpid_cap & VMX_EPT_AD_BIT) > put next to the respective other ones in vmx.h. > >> @@ -1150,6 +1152,9 @@ int ept_p2m_init(struct p2m_domain *p2m) >> p2m->memory_type_changed = ept_memory_type_changed; >> p2m->audit_p2m = NULL; >> >> + /* Work around Errata AVR41 on Avaton processors. */ >> + cpu_has_ept_ad = boot_cpu_data.x86_model != 0x4d; > > And this one then should turn off said flag (i.e. needs to be moved > elsewhere). > > Plus PML initialization should get a respective check added.
In case there was any doubt, I am following this thread, and so far haven't had anything to disagree with the direction Tim and Jan are suggesting. -George _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
