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[2620:137:e000::1:20]) by mx.google.com with ESMTP id a5-20020a624d05000000b0056bb424088csi12665221pfb.212.2022.11.15.11.04.24; Tue, 15 Nov 2022 11:04:39 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=KmiVS0bw; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230289AbiKOSdm (ORCPT + 90 others); Tue, 15 Nov 2022 13:33:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230188AbiKOSdW (ORCPT ); Tue, 15 Nov 2022 13:33:22 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F67930544 for ; Tue, 15 Nov 2022 10:33:14 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4CFB7B81A45 for ; Tue, 15 Nov 2022 18:33:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0EAD8C433D6; Tue, 15 Nov 2022 18:33:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668537192; bh=aUlE+XlVtUegRenzbhP2nA8Eu9V4nyuIs/7txING2vE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KmiVS0bwNsNgQR9IogJTkocpIWRJL4gMbDTftt+LqCKzy+ODrFWamEOjkp3qBKTXd gojnf5W1y5hOIbTk7a3Pw6X4QCy6WfVQOq+RN1TzR0jnXcEkdwtO1UjaruVGj8UFtt PMrw2qMfvFIlBqT6UquCepxuFmupbcjRR/4/z5Oeg/xF94yPGhqyfrnPVnVkZ8vAzH DyJ6Yaot/lkl+oB/8M7QIQ7ucSSedTEFjVBZoMiy3z3EpECPyJSMbZgHdgV8MiNSuM 1QW/vBpNRflFf4GlyZbxA3Lipg6Lj8pTFWvQtSBRj/EchpRFF+pbgdawfyp64ShzPp ais38Hecsow7Q== From: Will Deacon To: Chen Lin Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , robin.murphy@arm.com, treding@nvidia.com, joro@8bytes.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iommu/arm-smmu: Warn once when the perfetcher errata patch fails to apply Date: Tue, 15 Nov 2022 18:32:54 +0000 Message-Id: <166851283020.1266596.8585820030047050712.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20221103222121.3051-1-chen45464546@163.com> References: <20221103222121.3051-1-chen45464546@163.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 4 Nov 2022 06:21:21 +0800, Chen Lin wrote: > Default reset value of secure banked register SMMU_sACR.cache_lock is 1. > If it is not been set to 0 by secure software(eg: atf), the non-secure > linux cannot clear ARM_MMU500_ACTLR_CPRE bit. In this situation, > the prefetcher errata is not applied successfully, warn once. > > Applied to will (for-joerg/arm-smmu/updates), thanks! [1/1] iommu/arm-smmu: Warn once when the perfetcher errata patch fails to apply https://git.kernel.org/will/c/f87f6e5b4539 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev