From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75E3EC433DB for ; Thu, 11 Mar 2021 13:49:12 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1419564F8E for ; Thu, 11 Mar 2021 13:49:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1419564F8E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7BB016ECC9; Thu, 11 Mar 2021 13:48:58 +0000 (UTC) Received: from mblankhorst.nl (mblankhorst.nl [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3C4146ECA1 for ; Thu, 11 Mar 2021 13:48:53 +0000 (UTC) From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org Date: Thu, 11 Mar 2021 14:42:14 +0100 Message-Id: <20210311134249.588632-35-maarten.lankhorst@linux.intel.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210311134249.588632-1-maarten.lankhorst@linux.intel.com> References: <20210311134249.588632-1-maarten.lankhorst@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v8 34/69] drm/i915: Add ww locking around vm_access() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" aTkxNV9nZW1fb2JqZWN0X3Bpbl9tYXAgcG90ZW50aWFsbHkgbmVlZHMgYSB3dyBjb250ZXh0LCBz byBlbnN1cmUgd2UKaGF2ZSBvbmUgd2UgY2FuIHJldm9rZS4KClNpZ25lZC1vZmYtYnk6IE1hYXJ0 ZW4gTGFua2hvcnN0IDxtYWFydGVuLmxhbmtob3JzdEBsaW51eC5pbnRlbC5jb20+ClJldmlld2Vk LWJ5OiBUaG9tYXMgSGVsbHN0csO2bSA8dGhvbWFzLmhlbGxzdHJvbUBsaW51eC5pbnRlbC5jb20+ Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvZ2VtL2k5MTVfZ2VtX21tYW4uYyB8IDI0ICsrKysr KysrKysrKysrKysrKysrKystLQogMSBmaWxlIGNoYW5nZWQsIDIyIGluc2VydGlvbnMoKyksIDIg ZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZ2VtL2k5MTVf Z2VtX21tYW4uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2dlbS9pOTE1X2dlbV9tbWFuLmMKaW5k ZXggMTYzMjA4YTYyNjBkLi4yNTYxYTJmMWU1NGYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2dlbS9pOTE1X2dlbV9tbWFuLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZ2Vt L2k5MTVfZ2VtX21tYW4uYwpAQCAtNDIxLDcgKzQyMSw5IEBAIHZtX2FjY2VzcyhzdHJ1Y3Qgdm1f YXJlYV9zdHJ1Y3QgKmFyZWEsIHVuc2lnbmVkIGxvbmcgYWRkciwKIHsKIAlzdHJ1Y3QgaTkxNV9t bWFwX29mZnNldCAqbW1vID0gYXJlYS0+dm1fcHJpdmF0ZV9kYXRhOwogCXN0cnVjdCBkcm1faTkx NV9nZW1fb2JqZWN0ICpvYmogPSBtbW8tPm9iajsKKwlzdHJ1Y3QgaTkxNV9nZW1fd3dfY3R4IHd3 OwogCXZvaWQgKnZhZGRyOworCWludCBlcnIgPSAwOwogCiAJaWYgKGk5MTVfZ2VtX29iamVjdF9p c19yZWFkb25seShvYmopICYmIHdyaXRlKQogCQlyZXR1cm4gLUVBQ0NFUzsKQEAgLTQzMCwxMCAr NDMyLDE4IEBAIHZtX2FjY2VzcyhzdHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3QgKmFyZWEsIHVuc2lnbmVk IGxvbmcgYWRkciwKIAlpZiAoYWRkciA+PSBvYmotPmJhc2Uuc2l6ZSkKIAkJcmV0dXJuIC1FSU5W QUw7CiAKKwlpOTE1X2dlbV93d19jdHhfaW5pdCgmd3csIHRydWUpOworcmV0cnk6CisJZXJyID0g aTkxNV9nZW1fb2JqZWN0X2xvY2sob2JqLCAmd3cpOworCWlmIChlcnIpCisJCWdvdG8gb3V0Owor CiAJLyogQXMgdGhpcyBpcyBwcmltYXJpbHkgZm9yIGRlYnVnZ2luZywgbGV0J3MgZm9jdXMgb24g c2ltcGxpY2l0eSAqLwogCXZhZGRyID0gaTkxNV9nZW1fb2JqZWN0X3Bpbl9tYXAob2JqLCBJOTE1 X01BUF9GT1JDRV9XQyk7Ci0JaWYgKElTX0VSUih2YWRkcikpCi0JCXJldHVybiBQVFJfRVJSKHZh ZGRyKTsKKwlpZiAoSVNfRVJSKHZhZGRyKSkgeworCQllcnIgPSBQVFJfRVJSKHZhZGRyKTsKKwkJ Z290byBvdXQ7CisJfQogCiAJaWYgKHdyaXRlKSB7CiAJCW1lbWNweSh2YWRkciArIGFkZHIsIGJ1 ZiwgbGVuKTsKQEAgLTQ0Myw2ICs0NTMsMTYgQEAgdm1fYWNjZXNzKHN0cnVjdCB2bV9hcmVhX3N0 cnVjdCAqYXJlYSwgdW5zaWduZWQgbG9uZyBhZGRyLAogCX0KIAogCWk5MTVfZ2VtX29iamVjdF91 bnBpbl9tYXAob2JqKTsKK291dDoKKwlpZiAoZXJyID09IC1FREVBRExLKSB7CisJCWVyciA9IGk5 MTVfZ2VtX3d3X2N0eF9iYWNrb2ZmKCZ3dyk7CisJCWlmICghZXJyKQorCQkJZ290byByZXRyeTsK Kwl9CisJaTkxNV9nZW1fd3dfY3R4X2ZpbmkoJnd3KTsKKworCWlmIChlcnIpCisJCXJldHVybiBl cnI7CiAKIAlyZXR1cm4gbGVuOwogfQotLSAKMi4zMC4xCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZngK