From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Michal=20Koutn=C3=BD?= Subject: [RFC PATCH 2/3] cgroup: Rely on namespace_sem in current_cgns_cgroup_from_root explicitly Date: Tue, 2 May 2023 15:38:46 +0200 Message-ID: <20230502133847.14570-3-mkoutny@suse.com> References: <20230502133847.14570-1-mkoutny@suse.com> Mime-Version: 1.0 Content-Transfer-Encoding: base64 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1683034730; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I/j4j9VxXGy/bDa3ZnK1aishpl8LLc1RBAztW/6LzNg=; b=TcCfrFzTb2GRwJYnmkZtx/AUQ6ImGap2e8r4FxC9peMvwWganei9xc2rzw0XO7CkKJvoqD Kb7qic6qmYoUyjZu9jtT+UfyJjpew6bT/ifb+NBAP2VrlT1UNFXqAonzY3WLwYc7RUwYE4 tGeCU80e/++C4sgH6PfoViUwgJkFhnU= In-Reply-To: <20230502133847.14570-1-mkoutny@suse.com> List-ID: Content-Type: text/plain; charset="macroman" To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org Cc: Alexander Viro , Christian Brauner , Tejun Heo , Zefan Li , Johannes Weiner , Dave Chinner , Rik van Riel , Jiri Wiesner VGhlIGZ1bmN0aW9uIGN1cnJlbnRfY2duc19jZ3JvdXBfZnJvbV9yb290KCkgZXhwZWN0cyBhIHN0 YWJsZQpjZ3JvdXBfcm9vdCwgd2hpY2ggaXMgY3VycmVudGx5IGVuc3VyZWQgd2l0aCBSQ1UgcmVh ZCBzaWRlIHBhaXJlZCB3aXRoCmNncm91cF9kZXN0cm95X3Jvb3QoKSBjYWxsZWQgYWZ0ZXIgUkNV IHBlcmlvZC4KClRoZSBwYXJ0aWN1bGFyIGN1cnJlbnRfY2duc19jZ3JvdXBfZnJvbV9yb290KCkg aXMgY2FsbGVkIGZyb20gVkZTIGNvZGUKYW5kIGNncm91cF9yb290IHN0YWJpbGl0eSBjYW4gYmUg YWxzbyBlbnN1cmVkIGJ5IG5hbWVzcGFjZV9zZW0uIE1hcmsgaXQKZXhwbGljaXRseSBhcyBhIHBy ZXBhcmF0aW9uIGZvciBmdXJ0aGVyIHJld29yay4KClNpZ25lZC1vZmYtYnk6IE1pY2hhbCBLb3V0 bsO9IDxta291dG55QHN1c2UuY29tPgotLS0KIGZzL25hbWVzcGFjZS5jICAgICAgICAgfCA1ICsr KystCiBpbmNsdWRlL2xpbnV4L21vdW50LmggIHwgNCArKysrCiBrZXJuZWwvY2dyb3VwL2Nncm91 cC5jIHwgNyArKystLS0tCiAzIGZpbGVzIGNoYW5nZWQsIDExIGluc2VydGlvbnMoKyksIDUgZGVs ZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZnMvbmFtZXNwYWNlLmMgYi9mcy9uYW1lc3BhY2UuYwpp bmRleCA1NDg0N2RiNWI4MTkuLjBkMjMzMzgzMjA2NCAxMDA2NDQKLS0tIGEvZnMvbmFtZXNwYWNl LmMKKysrIGIvZnMvbmFtZXNwYWNlLmMKQEAgLTcxLDcgKzcxLDEwIEBAIHN0YXRpYyBERUZJTkVf SURBKG1udF9ncm91cF9pZGEpOwogc3RhdGljIHN0cnVjdCBobGlzdF9oZWFkICptb3VudF9oYXNo dGFibGUgX19yZWFkX21vc3RseTsKIHN0YXRpYyBzdHJ1Y3QgaGxpc3RfaGVhZCAqbW91bnRwb2lu dF9oYXNodGFibGUgX19yZWFkX21vc3RseTsKIHN0YXRpYyBzdHJ1Y3Qga21lbV9jYWNoZSAqbW50 X2NhY2hlIF9fcmVhZF9tb3N0bHk7Ci1zdGF0aWMgREVDTEFSRV9SV1NFTShuYW1lc3BhY2Vfc2Vt KTsKK0RFQ0xBUkVfUldTRU0obmFtZXNwYWNlX3NlbSk7CisjaWZkZWYgQ09ORklHX0xPQ0tERVAK K0VYUE9SVF9TWU1CT0xfR1BMKG5hbWVzcGFjZV9zZW0pOworI2VuZGlmCiBzdGF0aWMgSExJU1Rf SEVBRCh1bm1vdW50ZWQpOwkvKiBwcm90ZWN0ZWQgYnkgbmFtZXNwYWNlX3NlbSAqLwogc3RhdGlj IExJU1RfSEVBRChleF9tb3VudHBvaW50cyk7IC8qIHByb3RlY3RlZCBieSBuYW1lc3BhY2Vfc2Vt ICovCiAKZGlmZiAtLWdpdCBhL2luY2x1ZGUvbGludXgvbW91bnQuaCBiL2luY2x1ZGUvbGludXgv bW91bnQuaAppbmRleCAxZWEzMjZjMzY4ZjcuLjYyNzc0MzVmNjc0OCAxMDA2NDQKLS0tIGEvaW5j bHVkZS9saW51eC9tb3VudC5oCisrKyBiL2luY2x1ZGUvbGludXgvbW91bnQuaApAQCAtODAsNiAr ODAsMTAgQEAgc3RhdGljIGlubGluZSBzdHJ1Y3QgbW50X2lkbWFwICptbnRfaWRtYXAoY29uc3Qg c3RydWN0IHZmc21vdW50ICptbnQpCiAJcmV0dXJuIHNtcF9sb2FkX2FjcXVpcmUoJm1udC0+bW50 X2lkbWFwKTsKIH0KIAorI2lmZGVmIENPTkZJR19MT0NLREVQCitleHRlcm4gc3RydWN0IHJ3X3Nl bWFwaG9yZSBuYW1lc3BhY2Vfc2VtOworI2VuZGlmCisKIGV4dGVybiBpbnQgbW50X3dhbnRfd3Jp dGUoc3RydWN0IHZmc21vdW50ICptbnQpOwogZXh0ZXJuIGludCBtbnRfd2FudF93cml0ZV9maWxl KHN0cnVjdCBmaWxlICpmaWxlKTsKIGV4dGVybiB2b2lkIG1udF9kcm9wX3dyaXRlKHN0cnVjdCB2 ZnNtb3VudCAqbW50KTsKZGlmZiAtLWdpdCBhL2tlcm5lbC9jZ3JvdXAvY2dyb3VwLmMgYi9rZXJu ZWwvY2dyb3VwL2Nncm91cC5jCmluZGV4IDU1ZTVmMDExMGUzYi4uMzJkNjkzYTc5N2I5IDEwMDY0 NAotLS0gYS9rZXJuZWwvY2dyb3VwL2Nncm91cC5jCisrKyBiL2tlcm5lbC9jZ3JvdXAvY2dyb3Vw LmMKQEAgLTE0NDAsMTMgKzE0NDAsMTIgQEAgY3VycmVudF9jZ25zX2Nncm91cF9mcm9tX3Jvb3Qo c3RydWN0IGNncm91cF9yb290ICpyb290KQogCiAJbG9ja2RlcF9hc3NlcnRfaGVsZCgmY3NzX3Nl dF9sb2NrKTsKIAotCXJjdV9yZWFkX2xvY2soKTsKKwkvKiBuYW1lc3BhY2Vfc2VtIGVuc3VyZXMg YHJvb3RgIHN0YWJpbGl0eSBvbiB1bm1vdW50ICovCisJbG9ja2RlcF9hc3NlcnQobG9ja2RlcF9p c19oZWxkX3R5cGUoJm5hbWVzcGFjZV9zZW0sIC0xKSk7CiAKIAljc2V0ID0gY3VycmVudC0+bnNw cm94eS0+Y2dyb3VwX25zLT5yb290X2NzZXQ7CiAJcmVzID0gX19jc2V0X2Nncm91cF9mcm9tX3Jv b3QoY3NldCwgcm9vdCk7CiAKLQlyY3VfcmVhZF91bmxvY2soKTsKLQogCXJldHVybiByZXM7CiB9 CiAKQEAgLTE0NTQsNyArMTQ1Myw3IEBAIGN1cnJlbnRfY2duc19jZ3JvdXBfZnJvbV9yb290KHN0 cnVjdCBjZ3JvdXBfcm9vdCAqcm9vdCkKICAqIExvb2sgdXAgY2dyb3VwIGFzc29jaWF0ZWQgd2l0 aCBjdXJyZW50IHRhc2sncyBjZ3JvdXAgbmFtZXNwYWNlIG9uIHRoZSBkZWZhdWx0CiAgKiBoaWVy YXJjaHkuCiAgKgotICogVW5saWtlIGN1cnJlbnRfY2duc19jZ3JvdXBfZnJvbV9yb290KCksIHRo aXMgZG9lc24ndCBuZWVkIGxvY2tzOgorICogUmVsYXhlZCBsb2NraW5nIHJlcXVpcmVtZW50czoK ICAqIC0gSW50ZXJuYWwgcmN1X3JlYWRfbG9jayBpcyB1bm5lY2Vzc2FyeSBiZWNhdXNlIHdlIGRv bid0IGRlcmVmZXJlbmNlIGFueSByY3UKICAqICAgcG9pbnRlcnMuCiAgKiAtIGNzc19zZXRfbG9j ayBpcyBub3QgbmVlZGVkIGJlY2F1c2Ugd2UganVzdCByZWFkIGNzZXQtPmRmbF9jZ3JwLgotLSAK Mi40MC4xCgo=