From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5014C18BB97; Fri, 23 Aug 2024 17:02:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724432556; cv=none; b=F3BoEF152Lb8K+QsIvqNT9I7cpMLTwrzFrEXjOrW2BCHYzDA/wMM9pX4IwNjH2coGfP24tfPTaWKg7Ue7GiFMmptr99fG2UPNHes2w6PYgSTSi4gKERHj+oE0teOG+/HLrmFGI3wD8B3aqEr4m+0zh+v5PsWnH7a509a6IS8hbg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724432556; c=relaxed/simple; bh=KTOqkWcx4VJ3PzktD2qDUCcUOUY9+HIU+QUcTAXO0s4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=XY8JHPuCCeu+qBxSLiFbWfDOgx2maLCJMY782S7LNo7YA6B2/pa7NSiAGNOc8YtLNPdxdAgxsad05kwISzFCnCH0cZJfdeuf9de+JUr946r/LcsF91aefmGk/+fBSL0sW1grLQ9HbEs+EcIcJhpRX5k090n6IG5LNOKrraI0Mwg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VREJfoRV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VREJfoRV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 146ADC32786; Fri, 23 Aug 2024 17:02:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1724432555; bh=KTOqkWcx4VJ3PzktD2qDUCcUOUY9+HIU+QUcTAXO0s4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VREJfoRVY97Dv8b1g+75FarIAmgTQalQ8zeeaU5A5NTBdBFRP1QLr7LfxvbtFlwZK ORqPD854lMYLJxFRiFuaAkYYceJSA6hdCVJ2rixtDC7OKSDL2AF4VG5+hkzp5qMscZ QfV1KRgn3/zLCWwf5XKg9nG6e4TPkLxzqNXmMBmGbJYKbAHsHNG2KPS9RO5n1znY0i Q7Znl+a3XtIPSICWAgno0ad+MI4Me5VmYSVCqZVXn8hDz51kF4DBuoJFMosFbzwQM9 Ykg1bkmJGxTwfTouNR7aX22JRlhEwXPloE4uayV6b+REwl0bh9h0gJlqFX+AYRv112 qJ4Wx3Q6Z0vng== From: Will Deacon To: Rob Clark , Robin Murphy , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Marc Gonzalez Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , iommu@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Bjorn Andersson , Konrad Dybcio , Arnaud Vrac , Pierre-Hugues Husson , Marijn Suijten , Caleb Connolly Subject: Re: [PATCH v3] iommu/arm-smmu-qcom: hide last LPASS SMMU context bank from linux Date: Fri, 23 Aug 2024 18:02:11 +0100 Message-Id: <172442858770.2796746.16801443724407766952.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240820-smmu-v3-1-2f71483b00ec@freebox.fr> References: <20240820-smmu-v3-1-2f71483b00ec@freebox.fr> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Tue, 20 Aug 2024 15:27:19 +0200, Marc Gonzalez wrote: > On qcom msm8998, writing to the last context bank of lpass_q6_smmu > (base address 0x05100000) produces a system freeze & reboot. > > The hardware/hypervisor reports 13 context banks for the LPASS SMMU > on msm8998, but only the first 12 are accessible... > Override the number of context banks > > [...] Applied to will (for-joerg/arm-smmu/updates), thanks! [1/1] iommu/arm-smmu-qcom: hide last LPASS SMMU context bank from linux https://git.kernel.org/will/c/3a8990b8a778 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev