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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1C2C3C7619A for ; Mon, 27 Mar 2023 12:53:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xFcQFZdW+JNbp8mNlxz9AdHeaGnISRrsUmaY3R+rH+M=; b=lDf0EV7QTg3HEK 5PD5BJOe++bNg+Rf/4F8/KcP2qgifxuo73MULGyw0L8A53BHAPrfR2Z3QsejZzC7+XR05b8qKsta8 8jVSgalkbysDhIXDFuAJXxfsMctn+ggP1ljCO/30gFclqRx9saeWTsmajYyyY2JcTIh16UcXwrQXG zMl6LREkIBz2dHk3Wp8bhc1C8VMbZuw7EGI7ijvUo4AJc+WNzRqzF65YwzpATOABBYk1RAfWYg7Xr vgP6cjEDu4Tdv2LrZ1EEZ3nHjWCjIA4/gzdXlu/qEtPZviMzenlrSJ9M1Auao8tWY4sAxitH9RAYO +cqa7Ve4TwQ08t8d6NSQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgmKo-00B0cB-03; Mon, 27 Mar 2023 12:52:26 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgmKg-00B0XR-0Y for linux-arm-kernel@lists.infradead.org; Mon, 27 Mar 2023 12:52:19 +0000 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 dfw.source.kernel.org (Postfix) with ESMTPS id B2FE56122D; Mon, 27 Mar 2023 12:52:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A993C433A1; Mon, 27 Mar 2023 12:52:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679921537; bh=ERkDPrE1t41RAkQ/wfC7GUX0HHhzIsOCq5HwwVyTEOs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pb3H6HnS3ls35CnSmyWzLYbqa4xY7gJ+ODpuHIC9lt+69cXWEgPdYbJMjRRC8/yXO rTQMFxKC1dAkOYS/Zt9YoMjlb3cYjH21bvbxn9T041nfigSreDeLCCqIPF5tbFK1FC XnCBEfrWgVZKIAn7pcvXTzx9KBJKb4Thht6yqjXswouC3pbjR6EMIdu/pixvwRXyvH MpSX3QRyl6tOLVeVgledhX5ohLI/nbsf4FnlQ2YYzssgVF/4l9m4ho93K0SS91aS9a e/KshNU60hgoA+WeCd6SjfVoWet5QMHq9S+47R3YnFNS/MHnurZgI4c3QVOVZ679Yo abZfuCTBHfmRw== From: Will Deacon To: joro@8bytes.org, Manivannan Sadhasivam Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , linux-kernel@vger.kernel.org, steev@kali.org, iommu@lists.linux.dev, johan+linaro@kernel.org, andersson@kernel.org, linux-arm-kernel@lists.infradead.org, robin.murphy@arm.com Subject: Re: [PATCH v5] iommu/arm-smmu-qcom: Limit the SMR groups to 128 Date: Mon, 27 Mar 2023 13:52:01 +0100 Message-Id: <167991987524.1305084.466646756285487652.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230327080029.11584-1-manivannan.sadhasivam@linaro.org> References: <20230327080029.11584-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230327_055218_244909_B06E9D63 X-CRM114-Status: GOOD ( 11.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 27 Mar 2023 13:30:29 +0530, Manivannan Sadhasivam wrote: > Some platforms support more than 128 stream matching groups than what is > defined by the ARM SMMU architecture specification. But due to some unknown > reasons, those additional groups don't exhibit the same behavior as the > architecture supported ones. > > For instance, the additional groups will not detect the quirky behavior of > some firmware versions intercepting writes to S2CR register, thus skipping > the quirk implemented in the driver and causing boot crash. > > [...] Applied to will (for-joerg/arm-smmu/updates), thanks! [1/1] iommu/arm-smmu-qcom: Limit the SMR groups to 128 https://git.kernel.org/will/c/122611347326 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel