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,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 2E5A0C43381 for ; Tue, 5 Jan 2021 15:46:20 +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 E7D5D22BF3 for ; Tue, 5 Jan 2021 15:46:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7D5D22BF3 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 067106E170; Tue, 5 Jan 2021 15:45:53 +0000 (UTC) Received: from mblankhorst.nl (mblankhorst.nl [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 69D956E160 for ; Tue, 5 Jan 2021 15:45:41 +0000 (UTC) From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org Date: Tue, 5 Jan 2021 16:35:31 +0100 Message-Id: <20210105153558.134272-38-maarten.lankhorst@linux.intel.com> X-Mailer: git-send-email 2.30.0.rc1 In-Reply-To: <20210105153558.134272-1-maarten.lankhorst@linux.intel.com> References: <20210105153558.134272-1-maarten.lankhorst@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v6 37/64] drm/i915: Add ww locking to dma-buf ops. 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" dm1hcCBpcyB1c2luZyBwaW5fcGFnZXMsIGJ1dCBuZWVkcyB0byB1c2Ugd3cgbG9ja2luZywKYWRk IHBpbl9wYWdlc191bmxvY2tlZCB0byBjb3JyZWN0bHkgbG9jayB0aGUgbWFwcGluZy4KCkFsc28g YWRkIHd3IGxvY2tpbmcgdG8gYmVnaW4vZW5kIGNwdSBhY2Nlc3MuCgpTaWduZWQtb2ZmLWJ5OiBN YWFydGVuIExhbmtob3JzdCA8bWFhcnRlbi5sYW5raG9yc3RAbGludXguaW50ZWwuY29tPgpSZXZp ZXdlZC1ieTogVGhvbWFzIEhlbGxzdHLDtm0gPHRob21hcy5oZWxsc3Ryb21AbGludXguaW50ZWwu Y29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2dlbS9pOTE1X2dlbV9kbWFidWYuYyB8IDYw ICsrKysrKysrKysrKy0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAzMyBpbnNlcnRpb25zKCsp LCAyNyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9nZW0v aTkxNV9nZW1fZG1hYnVmLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9nZW0vaTkxNV9nZW1fZG1h YnVmLmMKaW5kZXggMzZlM2MyNzY1ZjRjLi5jNGIwMWU4MTk3ODYgMTAwNjQ0Ci0tLSBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2dlbS9pOTE1X2dlbV9kbWFidWYuYworKysgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9nZW0vaTkxNV9nZW1fZG1hYnVmLmMKQEAgLTgyLDcgKzgyLDcgQEAgc3RhdGljIGlu dCBpOTE1X2dlbV9kbWFidWZfdm1hcChzdHJ1Y3QgZG1hX2J1ZiAqZG1hX2J1Ziwgc3RydWN0IGRt YV9idWZfbWFwICptYXAKIAlzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2JqID0gZG1hX2J1 Zl90b19vYmooZG1hX2J1Zik7CiAJdm9pZCAqdmFkZHI7CiAKLQl2YWRkciA9IGk5MTVfZ2VtX29i amVjdF9waW5fbWFwKG9iaiwgSTkxNV9NQVBfV0IpOworCXZhZGRyID0gaTkxNV9nZW1fb2JqZWN0 X3Bpbl9tYXBfdW5sb2NrZWQob2JqLCBJOTE1X01BUF9XQik7CiAJaWYgKElTX0VSUih2YWRkcikp CiAJCXJldHVybiBQVFJfRVJSKHZhZGRyKTsKIApAQCAtMTIzLDQyICsxMjMsNDggQEAgc3RhdGlj IGludCBpOTE1X2dlbV9iZWdpbl9jcHVfYWNjZXNzKHN0cnVjdCBkbWFfYnVmICpkbWFfYnVmLCBl bnVtIGRtYV9kYXRhX2RpcmUKIHsKIAlzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2JqID0g ZG1hX2J1Zl90b19vYmooZG1hX2J1Zik7CiAJYm9vbCB3cml0ZSA9IChkaXJlY3Rpb24gPT0gRE1B X0JJRElSRUNUSU9OQUwgfHwgZGlyZWN0aW9uID09IERNQV9UT19ERVZJQ0UpOworCXN0cnVjdCBp OTE1X2dlbV93d19jdHggd3c7CiAJaW50IGVycjsKIAotCWVyciA9IGk5MTVfZ2VtX29iamVjdF9w aW5fcGFnZXMob2JqKTsKLQlpZiAoZXJyKQotCQlyZXR1cm4gZXJyOwotCi0JZXJyID0gaTkxNV9n ZW1fb2JqZWN0X2xvY2tfaW50ZXJydXB0aWJsZShvYmosIE5VTEwpOwotCWlmIChlcnIpCi0JCWdv dG8gb3V0OwotCi0JZXJyID0gaTkxNV9nZW1fb2JqZWN0X3NldF90b19jcHVfZG9tYWluKG9iaiwg d3JpdGUpOwotCWk5MTVfZ2VtX29iamVjdF91bmxvY2sob2JqKTsKLQotb3V0OgotCWk5MTVfZ2Vt X29iamVjdF91bnBpbl9wYWdlcyhvYmopOworCWk5MTVfZ2VtX3d3X2N0eF9pbml0KCZ3dywgdHJ1 ZSk7CityZXRyeToKKwllcnIgPSBpOTE1X2dlbV9vYmplY3RfbG9jayhvYmosICZ3dyk7CisJaWYg KCFlcnIpCisJCWVyciA9IGk5MTVfZ2VtX29iamVjdF9waW5fcGFnZXMob2JqKTsKKwlpZiAoIWVy cikgeworCQllcnIgPSBpOTE1X2dlbV9vYmplY3Rfc2V0X3RvX2NwdV9kb21haW4ob2JqLCB3cml0 ZSk7CisJCWk5MTVfZ2VtX29iamVjdF91bnBpbl9wYWdlcyhvYmopOworCX0KKwlpZiAoZXJyID09 IC1FREVBRExLKSB7CisJCWVyciA9IGk5MTVfZ2VtX3d3X2N0eF9iYWNrb2ZmKCZ3dyk7CisJCWlm ICghZXJyKQorCQkJZ290byByZXRyeTsKKwl9CisJaTkxNV9nZW1fd3dfY3R4X2ZpbmkoJnd3KTsK IAlyZXR1cm4gZXJyOwogfQogCiBzdGF0aWMgaW50IGk5MTVfZ2VtX2VuZF9jcHVfYWNjZXNzKHN0 cnVjdCBkbWFfYnVmICpkbWFfYnVmLCBlbnVtIGRtYV9kYXRhX2RpcmVjdGlvbiBkaXJlY3Rpb24p CiB7CiAJc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiA9IGRtYV9idWZfdG9fb2JqKGRt YV9idWYpOworCXN0cnVjdCBpOTE1X2dlbV93d19jdHggd3c7CiAJaW50IGVycjsKIAotCWVyciA9 IGk5MTVfZ2VtX29iamVjdF9waW5fcGFnZXMob2JqKTsKLQlpZiAoZXJyKQotCQlyZXR1cm4gZXJy OwotCi0JZXJyID0gaTkxNV9nZW1fb2JqZWN0X2xvY2tfaW50ZXJydXB0aWJsZShvYmosIE5VTEwp OwotCWlmIChlcnIpCi0JCWdvdG8gb3V0OwotCi0JZXJyID0gaTkxNV9nZW1fb2JqZWN0X3NldF90 b19ndHRfZG9tYWluKG9iaiwgZmFsc2UpOwotCWk5MTVfZ2VtX29iamVjdF91bmxvY2sob2JqKTsK LQotb3V0OgotCWk5MTVfZ2VtX29iamVjdF91bnBpbl9wYWdlcyhvYmopOworCWk5MTVfZ2VtX3d3 X2N0eF9pbml0KCZ3dywgdHJ1ZSk7CityZXRyeToKKwllcnIgPSBpOTE1X2dlbV9vYmplY3RfbG9j ayhvYmosICZ3dyk7CisJaWYgKCFlcnIpCisJCWVyciA9IGk5MTVfZ2VtX29iamVjdF9waW5fcGFn ZXMob2JqKTsKKwlpZiAoIWVycikgeworCQllcnIgPSBpOTE1X2dlbV9vYmplY3Rfc2V0X3RvX2d0 dF9kb21haW4ob2JqLCBmYWxzZSk7CisJCWk5MTVfZ2VtX29iamVjdF91bnBpbl9wYWdlcyhvYmop OworCX0KKwlpZiAoZXJyID09IC1FREVBRExLKSB7CisJCWVyciA9IGk5MTVfZ2VtX3d3X2N0eF9i YWNrb2ZmKCZ3dyk7CisJCWlmICghZXJyKQorCQkJZ290byByZXRyeTsKKwl9CisJaTkxNV9nZW1f d3dfY3R4X2ZpbmkoJnd3KTsKIAlyZXR1cm4gZXJyOwogfQogCi0tIAoyLjMwLjAucmMxCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK