XFEATURE_MASK_USER_SUPPORTED
(XFEATURE_MASK_USER_SUPPORTED & ~XFEATURE_MASK_PKRU)
usize = xstate_calculate_size(mask & XFEATURE_MASK_USER_SUPPORTED, false);
permitted &= XFEATURE_MASK_USER_SUPPORTED;
permitted &= XFEATURE_MASK_USER_SUPPORTED;
BUILD_BUG_ON((XFEATURE_MASK_USER_SUPPORTED |
fpu_kernel_cfg.max_features &= XFEATURE_MASK_USER_SUPPORTED;
fpu_kernel_cfg.max_features &= XFEATURE_MASK_USER_SUPPORTED |
fpu_user_cfg.max_features &= XFEATURE_MASK_USER_SUPPORTED;
xfeaures_to_write |= XFEATURE_MASK_USER_SUPPORTED &