From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Roper Subject: [PATCH v3 3/6] cgroup: Introduce cgroup_permission() Date: Tue, 6 Mar 2018 15:46:57 -0800 Message-ID: <20180306234700.6562-4-matthew.d.roper@intel.com> References: <20180306234700.6562-1-matthew.d.roper@intel.com> Mime-Version: 1.0 Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180306234700.6562-1-matthew.d.roper@intel.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Content-Type: text/plain; charset="us-ascii" To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, cgroups@vger.kernel.org Cc: Tejun Heo Tm9uLWNvbnRyb2xsZXIga2VybmVsIHN1YnN5c3RlbXMgbWF5IGJhc2UgYWNjZXNzIHJlc3RyaWN0 aW9ucyBmb3IKY2dyb3VwLXJlbGF0ZWQgc3lzY2FsbHMvaW9jdGxzIG9uIGEgcHJvY2VzcycgYWNj ZXNzIHRvIHRoZSBjZ3JvdXAuCkxldCdzIG1ha2UgaXQgZWFzeSBmb3Igb3RoZXIgcGFydHMgb2Yg dGhlIGtlcm5lbCB0byBjaGVjayB0aGVzZSBjZ3JvdXAKcGVybWlzc2lvbnMuCgpDYzogVGVqdW4g SGVvIDx0akBrZXJuZWwub3JnPgpDYzogY2dyb3Vwc0B2Z2VyLmtlcm5lbC5vcmcKU2lnbmVkLW9m Zi1ieTogTWF0dCBSb3BlciA8bWF0dGhldy5kLnJvcGVyQGludGVsLmNvbT4KLS0tCiBpbmNsdWRl L2xpbnV4L2Nncm91cC5oIHwgIDEgKwoga2VybmVsL2Nncm91cC9jZ3JvdXAuYyB8IDQyICsrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwogMiBmaWxlcyBjaGFuZ2VkLCA0 MyBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9jZ3JvdXAuaCBiL2lu Y2x1ZGUvbGludXgvY2dyb3VwLmgKaW5kZXggYjFlYTIwNjRmMjQ3Li5kZDFkMWQ5ODEzZTggMTAw NjQ0Ci0tLSBhL2luY2x1ZGUvbGludXgvY2dyb3VwLmgKKysrIGIvaW5jbHVkZS9saW51eC9jZ3Jv dXAuaApAQCAtMTAwLDYgKzEwMCw3IEBAIHN0cnVjdCBjZ3JvdXBfc3Vic3lzX3N0YXRlICpjc3Nf dHJ5Z2V0X29ubGluZV9mcm9tX2RpcihzdHJ1Y3QgZGVudHJ5ICpkZW50cnksCiAKIHN0cnVjdCBj Z3JvdXAgKmNncm91cF9nZXRfZnJvbV9wYXRoKGNvbnN0IGNoYXIgKnBhdGgpOwogc3RydWN0IGNn cm91cCAqY2dyb3VwX2dldF9mcm9tX2ZkKGludCBmZCk7CitpbnQgY2dyb3VwX3Blcm1pc3Npb24o aW50IGZkLCBpbnQgbWFzayk7CiAKIGludCBjZ3JvdXBfYXR0YWNoX3Rhc2tfYWxsKHN0cnVjdCB0 YXNrX3N0cnVjdCAqZnJvbSwgc3RydWN0IHRhc2tfc3RydWN0ICopOwogaW50IGNncm91cF90cmFu c2Zlcl90YXNrcyhzdHJ1Y3QgY2dyb3VwICp0bywgc3RydWN0IGNncm91cCAqZnJvbSk7CmRpZmYg LS1naXQgYS9rZXJuZWwvY2dyb3VwL2Nncm91cC5jIGIva2VybmVsL2Nncm91cC9jZ3JvdXAuYwpp bmRleCA5ZTU3NmRjOGI1NjYuLjUyZDY4YjIyNjg2NyAxMDA2NDQKLS0tIGEva2VybmVsL2Nncm91 cC9jZ3JvdXAuYworKysgYi9rZXJuZWwvY2dyb3VwL2Nncm91cC5jCkBAIC01NzgxLDYgKzU3ODEs NDggQEAgc3RydWN0IGNncm91cCAqY2dyb3VwX2dldF9mcm9tX2ZkKGludCBmZCkKIH0KIEVYUE9S VF9TWU1CT0xfR1BMKGNncm91cF9nZXRfZnJvbV9mZCk7CiAKKy8qKgorICogY2dyb3VwX3Blcm1p c3Npb24gLSBjaGVjayBjZ3JvdXAgZmQgcGVybWlzc2lvbnMKKyAqIEBmZDogZmQgb2J0YWluZWQg Ynkgb3BlbihjZ3JvdXApCisgKiBAbWFzazogUmlnaHQgdG8gY2hlY2sgZm9yICglTUFZX1JFQUQs ICVNQVlfV1JJVEUsICVNQVlfRVhFQykKKyAqCisgKiBDaGVjayBmb3IgcmVhZC93cml0ZS9leGVj dXRlIHBlcm1pc3Npb25zIG9uIGEgY2dyb3VwLgorICovCitpbnQgY2dyb3VwX3Blcm1pc3Npb24o aW50IGZkLCBpbnQgbWFzaykKK3sKKwlzdHJ1Y3QgZmlsZSAqZjsKKwlzdHJ1Y3QgaW5vZGUgKmlu b2RlOworCXN0cnVjdCBjZ3JvdXBfc3Vic3lzX3N0YXRlICpjc3M7CisJaW50IHJldDsKKworCWYg PSBmZ2V0X3JhdyhmZCk7CisJaWYgKCFmKQorCQlyZXR1cm4gLUVCQURGOworCisJY3NzID0gY3Nz X3RyeWdldF9vbmxpbmVfZnJvbV9kaXIoZi0+Zl9wYXRoLmRlbnRyeSwgTlVMTCk7CisJaWYgKElT X0VSUihjc3MpKSB7CisJCXJldCA9IFBUUl9FUlIoY3NzKTsKKwkJZ290byBvdXRfZmlsZTsKKwl9 CisKKwlpbm9kZSA9IGtlcm5mc19nZXRfaW5vZGUoZi0+Zl9wYXRoLmRlbnRyeS0+ZF9zYiwgY3Nz LT5jZ3JvdXAtPmtuKTsKKwlpZiAoIWlub2RlKSB7CisJCXJldCA9IC1FTk9NRU07CisJCWdvdG8g b3V0X2Nncm91cDsKKwl9CisKKwlyZXQgPSBpbm9kZV9wZXJtaXNzaW9uKGlub2RlLCBtYXNrKTsK KwlpcHV0KGlub2RlKTsKKworb3V0X2Nncm91cDoKKwljZ3JvdXBfcHV0KGNzcy0+Y2dyb3VwKTsK K291dF9maWxlOgorCWZwdXQoZik7CisKKwlyZXR1cm4gcmV0OworfQorRVhQT1JUX1NZTUJPTF9H UEwoY2dyb3VwX3Blcm1pc3Npb24pOworCiAvKgogICogc29jay0+c2tfY2dycF9kYXRhIGhhbmRs aW5nLiAgRm9yIG1vcmUgaW5mbywgc2VlIHNvY2tfY2dyb3VwX2RhdGEKICAqIGRlZmluaXRpb24g aW4gY2dyb3VwLWRlZnMuaC4KLS0gCjIuMTQuMwoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4Cg==