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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A79C9C433EF for ; Wed, 30 Mar 2022 08:22:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235356AbiC3IXy (ORCPT ); Wed, 30 Mar 2022 04:23:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244311AbiC3IXv (ORCPT ); Wed, 30 Mar 2022 04:23:51 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43AD433E9B for ; Wed, 30 Mar 2022 01:22:04 -0700 (PDT) X-UUID: ce3e6344d2164d5e943adbd904edddec-20220330 X-UUID: ce3e6344d2164d5e943adbd904edddec-20220330 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2014590360; Wed, 30 Mar 2022 16:21:58 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 30 Mar 2022 16:21:57 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 30 Mar 2022 16:21:57 +0800 From: Miles Chen To: CC: , Subject: suggest commit 5b61343b50 to stable Date: Wed, 30 Mar 2022 16:21:57 +0800 Message-ID: <20220330082157.3444-1-miles.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi reviewers, I suggest to apply the following patch to stable kernel 5.4.y and 5.10.y: commit: 5b61343b50590fb04a3f6be2cdc4868091757262 Subject: iommu/iova: Improve 32-bit free space estimate kernel version to apply to: 5.4.y and 5.10.y Reason: The patch fix a corner case of iova allocation and the allocation failure can be found under stress tests. Test: The patch can be applied to Linux 5.10.109 and Linux 5.4.188 without conflicts. Both Linux 5.10.109 and Linux 5.4.188 can be built successfully with this patch. (ARCH=arm64 defconfig) Thanks, Miles