From: Grygorii Strashko <[email protected]> Every XEN_DOMCTL_CDF_x flag: - is defined in public/domctl.h - explicitly listed in sanitise_domain_config() (common/domain.c) to form mask containing all supported DOMCTL_CDF flags for "Unknown CDF flags" check.
So, it is required to modify two files every time XEN_DOMCTL_CDF_x flags set is modified. Simplify the things by introducing XEN_DOMCTL_CDF_ALL mask, so sanitise_domain_config() no need to be modified any more. Signed-off-by: Grygorii Strashko <[email protected]> --- xen/common/domain.c | 7 +------ xen/include/public/domctl.h | 7 +++++++ 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/xen/common/domain.c b/xen/common/domain.c index 775c33928585..4f91316ad93e 100644 --- a/xen/common/domain.c +++ b/xen/common/domain.c @@ -730,12 +730,7 @@ static int sanitise_domain_config(struct xen_domctl_createdomain *config) bool iommu = config->flags & XEN_DOMCTL_CDF_iommu; bool vpmu = config->flags & XEN_DOMCTL_CDF_vpmu; - if ( config->flags & - ~(XEN_DOMCTL_CDF_hvm | XEN_DOMCTL_CDF_hap | - XEN_DOMCTL_CDF_s3_integrity | XEN_DOMCTL_CDF_oos_off | - XEN_DOMCTL_CDF_xs_domain | XEN_DOMCTL_CDF_iommu | - XEN_DOMCTL_CDF_nested_virt | XEN_DOMCTL_CDF_vpmu | - XEN_DOMCTL_CDF_trap_unmapped_accesses) ) + if ( config->flags & ~XEN_DOMCTL_CDF_ALL ) { dprintk(XENLOG_INFO, "Unknown CDF flags %#x\n", config->flags); return -EINVAL; diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h index 8f6708c0a7cd..94a8e3042cbf 100644 --- a/xen/include/public/domctl.h +++ b/xen/include/public/domctl.h @@ -72,6 +72,13 @@ struct xen_domctl_createdomain { /* Max XEN_DOMCTL_CDF_* constant. Used for ABI checking. */ #define XEN_DOMCTL_CDF_MAX XEN_DOMCTL_CDF_trap_unmapped_accesses +#define XEN_DOMCTL_CDF_ALL \ + (XEN_DOMCTL_CDF_hvm | XEN_DOMCTL_CDF_hap | \ + XEN_DOMCTL_CDF_s3_integrity | XEN_DOMCTL_CDF_oos_off | \ + XEN_DOMCTL_CDF_xs_domain | XEN_DOMCTL_CDF_iommu | \ + XEN_DOMCTL_CDF_nested_virt | XEN_DOMCTL_CDF_vpmu | \ + XEN_DOMCTL_CDF_trap_unmapped_accesses) + uint32_t flags; #define _XEN_DOMCTL_IOMMU_no_sharept 0 -- 2.34.1
