On Mon, Aug 06, 2012 at 03:27:16PM +0100, Stefano Stabellini wrote:
Use Xen features to figure out if we are privileged.
XENFEAT_dom0 was introduced by 23735 in xen-unstable.hg.
Looks good.
Signed-off-by: Stefano Stabellini stefano.stabellini@eu.citrix.com
arch/arm/xen/enlighten.c | 7 +++++++ include/xen/interface/features.h | 3 +++ 2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 102d823..ac3a2d6 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -1,6 +1,7 @@ #include <xen/xen.h> #include <xen/interface/xen.h> #include <xen/interface/memory.h> +#include <xen/features.h> #include <xen/platform_pci.h> #include <asm/xen/hypervisor.h> #include <asm/xen/hypercall.h> @@ -57,6 +58,12 @@ static int __init xen_guest_init(void) } xen_domain_type = XEN_HVM_DOMAIN;
- xen_setup_features();
- if (xen_feature(XENFEAT_dom0))
xen_start_info->flags |= SIF_INITDOMAIN|SIF_PRIVILEGED;- else
xen_start_info->flags &= ~(SIF_INITDOMAIN|SIF_PRIVILEGED);- if (!shared_info_page) shared_info_page = (struct shared_info *) get_zeroed_page(GFP_KERNEL);
diff --git a/include/xen/interface/features.h b/include/xen/interface/features.h index b6ca39a..131a6cc 100644 --- a/include/xen/interface/features.h +++ b/include/xen/interface/features.h @@ -50,6 +50,9 @@ /* x86: pirq can be used by HVM guests */ #define XENFEAT_hvm_pirqs 10 +/* operation as Dom0 is supported */ +#define XENFEAT_dom0 11
#define XENFEAT_NR_SUBMAPS 1
#endif /* __XEN_PUBLIC_FEATURES_H__ */
1.7.2.5