From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.168.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792659993; b=D6Uw5w3qd0aMPU7bmo4KYUBaDw5xYvxCHHISZZ0NK+YkYfiyRFS/8/yHdRVW4pwJCVXg YGPZkBsoK0dm7OyXDk2KFll2L2/H63ULVvMzHT31NBnhRAbCbLq3D7uXOg1xnCnuJbGlE ySMuAdQcX+MvFF7wTj3VpQiQ0GyflC0Iy35MMqQM2DXgPyTYlzAT8SyNS/jXFs7UIEFVL lSpZpTdG4be8gHHnYdJnSBYhSRTM8T0dCarhb/Kd7H9/Tkb95lfhFTLpioATA2p0hwSvZ 5CNCS0wD9vlccqgBbpvOWB+lY1F2w5utCcFdBmehq9FA+cFHMfmD1JyBws1/p16nuEA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792659993; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:X-Gm-Gg:X-Received:X-Received:Received:Message-ID: Date:MIME-Version:User-Agent:Subject:To:Cc:References: Content-Language:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:X-Proofpoint-GUID:X-Proofpoint-Spam-Info: X-Proofpoint-ORIG-GUID:X-Proofpoint-Spam-Details-Enc: X-Authority-Analysis:X-Proofpoint-Virus-Version: X-Proofpoint-Spam-Details; bh=npHEiXGMMSXSXF+CGuDidepu3HoUinr3fxrhvRGkkok=; b=r+I2Q6LP0bczioeuKdmq/2C7zWp95qByiZb3l9rHle27+qavaV1YEoUy4n5CiroNETXU IFR+gdpL8TQACj6jLKVP1qHwhyYI+RhC7BD+3WUtEKuWio8Ux3h1gEfq7nYPaAW1nqHaS 4KBJQDF+A5atW1pxsRuusECFRWm2IEo4FMe9dzP0jmwVq9rLr/FQ3f1jgg+zssRAPmwqk DriJk84u2d/Csoi9H9b3mqprSEncJ4XCauolKmnlkpU+TmcAeemtmouKCnRjLssl1Xj8s egPNQLz97KeSBMZKGXh4VLsw/CEE1I1Yr7GCvdX1GBnh63cRQ/HIVcTdVBFxosGI/wA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=HVzHEZqR; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=BV+Xi4PL; arc=none smtp.remote-ip=205.220.168.131 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 67164606A31B for ; Thu, 22 Oct 2026 09:06:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 67164606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=HVzHEZqR; dkim=pass (2048-bit key, unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=BV+Xi4PL Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 69M6xqaJ2171930 for ; Thu, 22 Oct 2026 09:06:32 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= npHEiXGMMSXSXF+CGuDidepu3HoUinr3fxrhvRGkkok=; b=HVzHEZqRXjuNxTUw Y6uNhSObfyF61bcnJkBnCdKjLh2B9gfCcEOYKFVF80ZP9qq5J9QyopCgrdBPa0nc kwNbh0mQHDcrih5EhIc3B8VIlpxPuv/GMh5UHAIQGgahTUfohjr3aXLxNfTVDbii sUoXr0b47H9f0/xixsACr/cjW5fq9e22EsUNry29sACOHOma32LkD9Ho4mFQnvIG E3aJeuxvAnHGjoKOfJg3lWAokAqpp5Nhg950biMkiFlmFBZwChwmFFCbC+jkzhnP J+aBNOBcneAZasrkKP7mqDC6h3YFbxtlEEmZ49yS2BVlRf9zb0TKeK8SGDQOzvps EVzd4A== Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4hf93ahkgk-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 22 Oct 2026 09:06:32 +0000 (GMT) Received: by mail-pj1-f71.google.com with SMTP id 98e67ed59e1d1-3ac8f449d1bso1818929a91.3 for ; Thu, 22 Oct 2026 02:06:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1792659992; x=1793264792; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=npHEiXGMMSXSXF+CGuDidepu3HoUinr3fxrhvRGkkok=; b=BV+Xi4PLji/ZeVGnXdtQQcZ0ZlhOAjJasxdTpZmFyjePgC/3NLnEkzHTrPe3y5ZkRW +5ZyScxx0H90Ua1stiFs4x7ixx0QK0645ZdqMFCzSTKM39DuCNcRUzqL/Q3VMalajjHS oTdYL6TWFPQpoTx2Hju4ypyj/PnidBEcs+skAOnm4Uv3a8RJ+QMiN1ybQtBNDfbhfoTt oX8NTEILsc33r8Q+po0yqLafJZsVXesCn3Zy+GQYgGHM1BePtZYJojNwVCt+RTjyyKEM +Y5Eg4emBmKWTYUR3qQWL3LqF/k+xhFysMOpKUSkYLqIa0O5QeB3C/frukNTna78tbWW BHQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792659992; x=1793264792; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=npHEiXGMMSXSXF+CGuDidepu3HoUinr3fxrhvRGkkok=; b=fRTOGM3zduMet9Z561G+PnYfrGYiiZQJpnjrgvH419QfoAbNCrbrOtf8iQOI47cqw0 DdRV/QJ/LESkEMPBYpmqhDRT3bJhg+e8CwMqKz3OpuUEFdPMC9SV5TeYzpDM3Yzzo1Kv wjKnNKJIS2lnh5oA7I6yqSngc2h/Du7FyBucx2SHOIQ2kFstbAtMEbtEEpOaw++66NGV 3LLz6qVAUHcAUGRWN1cZLjiK8/BHt1OSQovrDd+j+/nVBzgkgYSbd3sw+1KHmfITWVkb XOCjGUoivJAiyjDRZfLwnlRhyhkAT50315rMyTk+7Edu6TlGBmKZ08laPVM2thDzg3iM JVWA== X-Forwarded-Encrypted: i=1; AKwUvBzQMqs1yITbAzvH3Ce5qJIrXq1pdvedgV09BOpj9krhKqQeHFuukWG7KNwIS/9639JwVFozf4gtLNTaYjM=@vger.kernel.org X-Gm-Message-State: AFq9FYKuyE2/Bsef81QoZ0hPJMSxbmuhvGPC/plfdzlN9tqk/7kD7KLN dEH5CLFEug4mm5o67DGRpUnXTSbfKOgSBKqJMHXC6hX6ZGHEw2YujFjJXsX5HMslkIjX/OysBDD RiU6sog1rAZoFRcUztyv1ZsEw3i/oCZr5H2w+Jchv/V/sOgWmxiuQluAhGBligLv/VYo= X-Gm-Gg: AYBFou00xdQd4qdTzQGrGNgzI0EQQZif5XEc5Fw6JCJF3IoiG6ylcctWxQ54djW4Zd3 wQxYQr+rltySZXkgBvQ+bJTIkbPWpHIXC3jXXSAS06rJrGyVyLaxE2/AfaXzyjPx0UjHglSxKbA oCenlvJANs0kCij7DCrzRp+JNBnbd7rt6961Tl7jExbmTcJ6gPWViG0mN3T/1hLgcOf3F9h6UwX 6YNgcnO9jfX2NUcf7INO4/GYZOAnEAGU6gqz0xkPbGSTY9qfxoiMBr+VKx/WgeYqOEGTtq2UvYN jtposv3aoyUt0ckJJ7dBCA1P3d/PgSw+r5zNueuPRRRV8fqRLDKUDRhjCGyQT9XYbtBsLVPwPrw /LbGTONtvVByoXJuV/wUotLtxHR7fs0Fs X-Received: by 2002:a17:90b:4d02:b0:3a5:133:ca5f with SMTP id 98e67ed59e1d1-3ad86d27ae5mr3754002a91.46.1792659991916; Thu, 22 Oct 2026 02:06:31 -0700 (PDT) X-Received: by 2002:a17:90b:4d02:b0:3a5:133:ca5f with SMTP id 98e67ed59e1d1-3ad86d27ae5mr3753983a91.46.1792659991396; Thu, 22 Oct 2026 02:06:31 -0700 (PDT) Received: from [10.219.56.252] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ad83482f35sm4051702a91.1.2026.10.22.02.06.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Oct 2026 02:06:30 -0700 (PDT) Message-ID: Date: Thu, 22 Oct 2026 14:36:25 +0530 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] arm64: dts: qcom: Remove FastRPC compute CB9 entries To: Ekansh Gupta , srinivas.kandagatla@linaro.org, linux-arm-msm@vger.kernel.org Cc: gregkh@linuxfoundation.org, quic_bkumar@quicinc.com, linux-kernel@vger.kernel.org, quic_chennak@quicinc.com, dri-devel@lists.freedesktop.org, arnd@arndb.de References: <20261016052042.3755352-1-abhinav.parihar@oss.qualcomm.com> <9043efbb-7883-43cd-a09e-28fc5304457b@oss.qualcomm.com> Content-Language: en-US From: Abhinav Parihar In-Reply-To: <9043efbb-7883-43cd-a09e-28fc5304457b@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: ZATzydacFvWfdZdE0rEA0iKMhDpas9h2 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIyMDAzNiBTYWx0ZWRfX3heUcTX6U7/L lr8BqdnyUMFHxKizrbdZ5Us+NZcmTKZypa1ABfJghMuxQPFeSFt0g4Fnzr5XYhzC6WKlaHgKmee dTBZRfpnAud9xh4XYPO+XvakpP5xbzI= X-Proofpoint-ORIG-GUID: ZATzydacFvWfdZdE0rEA0iKMhDpas9h2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIyMDAzNiBTYWx0ZWRfX4RncjBdYvaE2 oOmKdR6NaEu0UdiC9/HAbC5PbrW6IIwdCdKzzNBvuy0U4M8pT7qcsB9YvUbMC/LKov2awMzhfG/ vwzFiYUEBxb6fW6HS1HHrU6ltRC2Dn+CuYycYJ57vtooGPC83o3Macbkz6ZFr4zmDUjccYe14FG XylNewcUZo4Qu3558RPbIwfcKrEutHBNDJAJxF8jyHf37HShwX6E59J3N+b4SuSeter1ub7fsvz Uejft886jwfc03tawsTwGoHdsyc96pb3bdXpwLxJZEMpZb/eHAgoJs3pm+ZD5E8NGq2+0tiMZqU IJw3qFvysQzbmlXlLbVvyUiImOXZrpA2mGQb3oud6CiDz0qF5QBsmA1I38rH4aiHs1m0gZmIsuF j7E4o9EzIRNsaRkhAm8IeMujtR1j/iNIKcg309KagvJsIgSOcoNwt7QIDIQ8E2c8iMAjf3vwNUV BvS+L+LpuRGNIY3MV4Q== X-Authority-Analysis: v=2.4 cv=dOszC+Zb c=1 sm=1 tr=0 ts=6ad9d218 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=6-TbrlyARiIxoJeac-sA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-22_03,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 spamscore=0 adultscore=0 phishscore=0 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610220036 On 10/16/2026 3:33 PM, Ekansh Gupta wrote: > On 16-10-2026 10:50, Abhinav Parihar wrote: >> Context bank 9 is reserved for secure use cases and must not be exposed >> as a FastRPC compute context bank for non-secure offloading. >> >> Remove the compute-cb@9 nodes from the Lemans and Monaco device trees to >> prevent clients from selecting a secure context bank for normal FastRPC >> workloads. >> >> Secure use case support is not currently implemented upstream. >> > can you add Fixes: tag as well?> Signed-off-by: Abhinav Parihar > Ack >> --- >> arch/arm64/boot/dts/qcom/lemans.dtsi | 16 ---------------- >> arch/arm64/boot/dts/qcom/monaco.dtsi | 7 ------- > separate the patch both different platforms, also please include other > applicable platforms in your next spin> 2 files changed, 23 deletions(-) Ack >> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi >> index 695eae1b7256..5481dfb73454 100644 >> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi >> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi >> @@ -7861,14 +7861,6 @@ compute-cb@8 { >> dma-coherent; >> }; >> >> - compute-cb@9 { >> - compatible = "qcom,fastrpc-compute-cb"; >> - reg = <9>; >> - iommus = <&apps_smmu 0x2149 0x04a0>, >> - <&apps_smmu 0x2189 0x0400>; >> - dma-coherent; >> - }; >> - >> compute-cb@11 { >> compatible = "qcom,fastrpc-compute-cb"; >> reg = <11>; >> @@ -8000,14 +7992,6 @@ compute-cb@8 { >> dma-coherent; >> }; >> >> - compute-cb@9 { >> - compatible = "qcom,fastrpc-compute-cb"; >> - reg = <9>; >> - iommus = <&apps_smmu 0x2949 0x04a0>, >> - <&apps_smmu 0x2989 0x0400>; >> - dma-coherent; >> - }; >> - >> compute-cb@10 { >> compatible = "qcom,fastrpc-compute-cb"; >> reg = <10>; >> diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qcom/monaco.dtsi >> index cfe39f923224..e73a735f2f13 100644 >> --- a/arch/arm64/boot/dts/qcom/monaco.dtsi >> +++ b/arch/arm64/boot/dts/qcom/monaco.dtsi >> @@ -7822,13 +7822,6 @@ compute-cb@8 { >> dma-coherent; >> }; >> >> - compute-cb@9 { >> - compatible = "qcom,fastrpc-compute-cb"; >> - reg = <9>; >> - iommus = <&apps_smmu 0x19c9 0x0400>; >> - dma-coherent; >> - }; >> - >> compute-cb@11 { >> compatible = "qcom,fastrpc-compute-cb"; >> reg = <0xb>;