Re: [RFC PATCH 03/20] x86/sgx: Track owning enclave in VA EPC pages

Dave Hansen
2022-09-22T18:55:38Z

On 9/22/22 10:10, Kristen Carlson Accardi wrote:
> -struct sgx_epc_page *sgx_alloc_va_page(bool reclaim)
> +struct sgx_epc_page *sgx_alloc_va_page(struct sgx_encl *encl, bool reclaim)
> {
> struct sgx_epc_page *epc_page;
> int ret;
> @@ -1218,6 +1219,8 @@ struct sgx_epc_page *sgx_alloc_va_page(bool reclaim)
> return ERR_PTR(-EFAULT);
> }
>
> + epc_page->owner = encl;
> +
> return epc_page;
> }

BTW, is there a flag or any other way to tell to what kind of object
->owner points?