diff options
Diffstat (limited to 'tools/libxc/xc_cpuid_x86.c')
-rw-r--r-- | tools/libxc/xc_cpuid_x86.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/tools/libxc/xc_cpuid_x86.c b/tools/libxc/xc_cpuid_x86.c index fa47787d3e..bbbf9b80eb 100644 --- a/tools/libxc/xc_cpuid_x86.c +++ b/tools/libxc/xc_cpuid_x86.c @@ -436,17 +436,15 @@ static void xc_cpuid_pv_policy( const unsigned int *input, unsigned int *regs) { DECLARE_DOMCTL; + unsigned int guest_width; int guest_64bit, xen_64bit = hypervisor_is_64bit(xch); char brand[13]; uint64_t xfeature_mask; xc_cpuid_brand_get(brand); - memset(&domctl, 0, sizeof(domctl)); - domctl.domain = domid; - domctl.cmd = XEN_DOMCTL_get_address_size; - do_domctl(xch, &domctl); - guest_64bit = (domctl.u.address_size.size == 64); + xc_domain_get_guest_width(xch, domid, &guest_width); + guest_64bit = (guest_width == 8); /* Detecting Xen's atitude towards XSAVE */ memset(&domctl, 0, sizeof(domctl)); |