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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 80DE5C4332E for ; Mon, 20 Jul 2020 21:38:34 +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 5110C22BEF for ; Mon, 20 Jul 2020 21:38:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="dt/Zcx5h" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5110C22BEF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B6B0A89C49; Mon, 20 Jul 2020 21:38:33 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7E7EC89C49; Mon, 20 Jul 2020 21:38:33 +0000 (UTC) Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6C93522CAF; Mon, 20 Jul 2020 21:38:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595281113; bh=oGUrR/3CifRJrhJzUDoT4zDQtGxfmbqA1TZdgk9HqjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dt/Zcx5hAXics12s2KptXMk/N0LpFuM921zCOGgmsbcoDah1zUbINLAiwsIf7P0lF qvywkYTABA6JG9pO2T6eahwcDNZtY1C2PbRob3p3JE1cs/QSQi6gflgb7OX9VYgLer c6v20r7/FnTZOTKHrsXuOinRdWTBPwf1NOjEfpnA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 21/34] drm/amdgpu/gfx10: fix race condition for kiq Date: Mon, 20 Jul 2020 17:37:54 -0400 Message-Id: <20200720213807.407380-21-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200720213807.407380-1-sashal@kernel.org> References: <20200720213807.407380-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Jack Xiao , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Hawking Zhang Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogSmFjayBYaWFvIDxKYWNrLlhpYW9AYW1kLmNvbT4KClsgVXBzdHJlYW0gY29tbWl0IDdk NjVhNTc3YmI1OGQ0ZjI3YTMzOThhNGMwY2IwYjAwYWI3ZDA1MTEgXQoKRHVyaW5nIHByZWVtcHRp b24gdGVzdCBmb3IgZ2Z4MTAsIGl0IHVzZXMga2lxIHRvIHRyaWdnZXIKZ2Z4IHByZWVtcHRpb24s IHdoaWNoIHdvdWxkIHJlc3VsdCBpbiByYWNlIGNvbmRpdGlvbgp3aXRoIGZsdXNoaW5nIFRMQiBm b3Iga2lxLgoKU2lnbmVkLW9mZi1ieTogSmFjayBYaWFvIDxKYWNrLlhpYW9AYW1kLmNvbT4KUmV2 aWV3ZWQtYnk6IEhhd2tpbmcgWmhhbmcgPEhhd2tpbmcuWmhhbmdAYW1kLmNvbT4KQWNrZWQtYnk6 IENocmlzdGlhbiBLw7ZuaWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KU2lnbmVkLW9mZi1i eTogQWxleCBEZXVjaGVyIDxhbGV4YW5kZXIuZGV1Y2hlckBhbWQuY29tPgpTaWduZWQtb2ZmLWJ5 OiBTYXNoYSBMZXZpbiA8c2FzaGFsQGtlcm5lbC5vcmc+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2Ft ZC9hbWRncHUvZ2Z4X3YxMF8wLmMgfCA5ICsrKysrKysrLQogMSBmaWxlIGNoYW5nZWQsIDggaW5z ZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9h bWQvYW1kZ3B1L2dmeF92MTBfMC5jIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvZ2Z4X3Yx MF8wLmMKaW5kZXggNmYxMTgyOTJlNDBmYi4uNjRkOTZlYjBhMjMzNyAxMDA2NDQKLS0tIGEvZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvZ2Z4X3YxMF8wLmMKKysrIGIvZHJpdmVycy9ncHUvZHJt L2FtZC9hbWRncHUvZ2Z4X3YxMF8wLmMKQEAgLTQ2ODMsMTIgKzQ2ODMsMTcgQEAgc3RhdGljIGlu dCBnZnhfdjEwXzBfcmluZ19wcmVlbXB0X2liKHN0cnVjdCBhbWRncHVfcmluZyAqcmluZykKIAlz dHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiA9IHJpbmctPmFkZXY7CiAJc3RydWN0IGFtZGdwdV9r aXEgKmtpcSA9ICZhZGV2LT5nZngua2lxOwogCXN0cnVjdCBhbWRncHVfcmluZyAqa2lxX3Jpbmcg PSAma2lxLT5yaW5nOworCXVuc2lnbmVkIGxvbmcgZmxhZ3M7CiAKIAlpZiAoIWtpcS0+cG1mIHx8 ICFraXEtPnBtZi0+a2lxX3VubWFwX3F1ZXVlcykKIAkJcmV0dXJuIC1FSU5WQUw7CiAKLQlpZiAo YW1kZ3B1X3JpbmdfYWxsb2Moa2lxX3JpbmcsIGtpcS0+cG1mLT51bm1hcF9xdWV1ZXNfc2l6ZSkp CisJc3Bpbl9sb2NrX2lycXNhdmUoJmtpcS0+cmluZ19sb2NrLCBmbGFncyk7CisKKwlpZiAoYW1k Z3B1X3JpbmdfYWxsb2Moa2lxX3JpbmcsIGtpcS0+cG1mLT51bm1hcF9xdWV1ZXNfc2l6ZSkpIHsK KwkJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgma2lxLT5yaW5nX2xvY2ssIGZsYWdzKTsKIAkJcmV0 dXJuIC1FTk9NRU07CisJfQogCiAJLyogYXNzZXJ0IHByZWVtcHRpb24gY29uZGl0aW9uICovCiAJ YW1kZ3B1X3Jpbmdfc2V0X3ByZWVtcHRfY29uZF9leGVjKHJpbmcsIGZhbHNlKTsKQEAgLTQ2OTks NiArNDcwNCw4IEBAIHN0YXRpYyBpbnQgZ2Z4X3YxMF8wX3JpbmdfcHJlZW1wdF9pYihzdHJ1Y3Qg YW1kZ3B1X3JpbmcgKnJpbmcpCiAJCQkJICAgKytyaW5nLT50cmFpbF9zZXEpOwogCWFtZGdwdV9y aW5nX2NvbW1pdChraXFfcmluZyk7CiAKKwlzcGluX3VubG9ja19pcnFyZXN0b3JlKCZraXEtPnJp bmdfbG9jaywgZmxhZ3MpOworCiAJLyogcG9sbCB0aGUgdHJhaWxpbmcgZmVuY2UgKi8KIAlmb3Ig KGkgPSAwOyBpIDwgYWRldi0+dXNlY190aW1lb3V0OyBpKyspIHsKIAkJaWYgKHJpbmctPnRyYWls X3NlcSA9PQotLSAKMi4yNS4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9k cmktZGV2ZWwK