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 B261CC5AC7C for ; Thu, 6 Aug 2026 18:31:48 +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:Message-ID: In-Reply-To:Subject:cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HGK84ZytZg0cLOaC3kPMzzYSTI/WQCAGttclxLkd+sU=; b=WHF2HiseDH/AfL YugghGoU1wM8QwdnIssOttqpSJ5QOk967CxY1Qe0/JPkelz/H4iQUKiGxoG0rTPcMlDu6Z+ofQP5g /q4Dn+GEYuPRPKbkScYQcUqUnHLUrZ0wzy4PWQzEakqS+QfJbv0olj0FIivRE3B+VIdscPlXMQ34D bdn189eGNf/gDgpcD9KzZWU4jI0jfP5oRSeB+j2eWMgFYZmh+7P2dP8QVghx8OyMy4h8Qltv/txwc whcihAUI67LETgumPv3nK5y8bCm9D168fgETb87uQzpseObApvDXmCak6feajUClqTt7cRp1GIQL4 NU5EwvTz2S1l88eIrs4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1ws2sP-00000006UEp-1896; Thu, 06 Aug 2026 18:31:33 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1ws2sO-00000006UE3-1mI5; Thu, 06 Aug 2026 18:31:32 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id A244C60A74; Thu, 6 Aug 2026 18:31:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 470951F000E9; Thu, 6 Aug 2026 18:31:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786041091; bh=44M6jU/Kh8m/G1eDNu1JXoHIPfmG7QRrcFJA1Q9PNY0=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=Dtv22uXuK+7t8r3nCF4xtLj9ZE0N6JSnTz8DbzNOxgEwNM5aQeq+cMVN1sxrQ57ag xtYg1nxiom1fw/NBSWSXcijfhwmbkjDnI4BZsi4d1Bd4ca6hQciNOu/HO02Joy68ED C/MLPgoUtUoAKm9LvILDbulTamZGlhKRrOq2hZQfltwviigCURwFWSPkpa2p9A1aOh Eadr1J/UnRjIIA8Zpa0xjhS4TNuHNiOHMEC08Az7rkZoQmnTgPejxSuefiMC77oG4n P+LGJio5+Qu6DYiunq/Y7+9q8n24rg0AV5eU77Yqja2WXzvT3bT7x58ZO6KAIpnWtZ vNT0nxgWGwmoA== Date: Thu, 6 Aug 2026 12:31:28 -0600 (MDT) From: Paul Walmsley To: Guodong Xu cc: Jonathan Corbet , Shuah Khan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Zong Li , Deepak Gupta , Anup Patel , Atish Patra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Chen Wang , Inochi Amaoto , Chen Wang , linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Paul Walmsley , Conor Dooley , Jesse Taube , Charlie Jenkins , Andrew Jones , devicetree@vger.kernel.org, spacemit@lists.linux.dev, sophgo@lists.linux.dev, linux-kselftest@vger.kernel.org, Jesse Taube , Conor Dooley , Charlie Jenkins , Andy Chiu Subject: Re: [PATCH v5 05/17] riscv: Add Zicclsm to cpufeature and hwprobe In-Reply-To: <20260701-rva23u64-hwprobe-v2-v5-5-2c61f94a695a@gmail.com> Message-ID: <3cb41566-deea-689b-c445-2226d7f3f25a@kernel.org> References: <20260701-rva23u64-hwprobe-v2-v5-0-2c61f94a695a@gmail.com> <20260701-rva23u64-hwprobe-v2-v5-5-2c61f94a695a@gmail.com> MIME-Version: 1.0 X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Wed, 1 Jul 2026, Guodong Xu wrote: > From: Jesse Taube > > Zicclsm requires misaligned support for all regular load and store > instructions, both scalar and vector, but not AMOs or other > specialized forms of memory access, to main memory regions with both > the cacheability and coherence PMAs, as defined in the profiles spec. > Even though mandated, misaligned loads and stores might execute > extremely slowly. Standard software distributions should assume their > existence only for correctness, not for performance. > > Reviewed-by: Conor Dooley > Reviewed-by: Andy Chiu > Reviewed-by: Charlie Jenkins > Tested-by: Charlie Jenkins > Signed-off-by: Jesse Taube > [Rebased, rewrote doc text, minor commit message revisions] > Signed-off-by: Andrew Jones > Signed-off-by: Guodong Xu Thanks, queued for v7.3. - Paul _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C20482E7631; Thu, 6 Aug 2026 18:31:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786041092; cv=none; b=As7NJBErQ+vZ6AArqjtqSUZHFstCeCSdCWybwiXar3/oOBxZp5hrm3uFtsuIbEnPYWpE6GO/AoiOZv8dpoDLSdDiiaAIAH+ot2uZOhbBlmIpxV5v2womFpCjKUfVu0vqiioCRXtq9pObEBzRacxVBJYIcGIc4QEGAexM003xBHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786041092; c=relaxed/simple; bh=Fcd8o8lKkfFW7V9teekNGaV1XuPWdm4NyMl6FNnh/Jk=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=c81sDoVWjoSkcqgmH/xkj5UfFP4IHUFeohICDfJOc73Lex/bW7wDOccU5n8jaNSBmkdxCH7XQvXjRk1U5cSkxiX/jFlj3wvFl3TE8x36VlvYJO3g48HJVmrOcvlq0usBBwASJR2ql97i4G5yLyoHy/TcgrtE/bHSEC+eGvnSRVY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Dtv22uXu; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Dtv22uXu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 470951F000E9; Thu, 6 Aug 2026 18:31:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786041091; bh=44M6jU/Kh8m/G1eDNu1JXoHIPfmG7QRrcFJA1Q9PNY0=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=Dtv22uXuK+7t8r3nCF4xtLj9ZE0N6JSnTz8DbzNOxgEwNM5aQeq+cMVN1sxrQ57ag xtYg1nxiom1fw/NBSWSXcijfhwmbkjDnI4BZsi4d1Bd4ca6hQciNOu/HO02Joy68ED C/MLPgoUtUoAKm9LvILDbulTamZGlhKRrOq2hZQfltwviigCURwFWSPkpa2p9A1aOh Eadr1J/UnRjIIA8Zpa0xjhS4TNuHNiOHMEC08Az7rkZoQmnTgPejxSuefiMC77oG4n P+LGJio5+Qu6DYiunq/Y7+9q8n24rg0AV5eU77Yqja2WXzvT3bT7x58ZO6KAIpnWtZ vNT0nxgWGwmoA== Date: Thu, 6 Aug 2026 12:31:28 -0600 (MDT) From: Paul Walmsley To: Guodong Xu cc: Jonathan Corbet , Shuah Khan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Zong Li , Deepak Gupta , Anup Patel , Atish Patra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Chen Wang , Inochi Amaoto , Chen Wang , linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Paul Walmsley , Conor Dooley , Jesse Taube , Charlie Jenkins , Andrew Jones , devicetree@vger.kernel.org, spacemit@lists.linux.dev, sophgo@lists.linux.dev, linux-kselftest@vger.kernel.org, Jesse Taube , Conor Dooley , Charlie Jenkins , Andy Chiu Subject: Re: [PATCH v5 05/17] riscv: Add Zicclsm to cpufeature and hwprobe In-Reply-To: <20260701-rva23u64-hwprobe-v2-v5-5-2c61f94a695a@gmail.com> Message-ID: <3cb41566-deea-689b-c445-2226d7f3f25a@kernel.org> References: <20260701-rva23u64-hwprobe-v2-v5-0-2c61f94a695a@gmail.com> <20260701-rva23u64-hwprobe-v2-v5-5-2c61f94a695a@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII On Wed, 1 Jul 2026, Guodong Xu wrote: > From: Jesse Taube > > Zicclsm requires misaligned support for all regular load and store > instructions, both scalar and vector, but not AMOs or other > specialized forms of memory access, to main memory regions with both > the cacheability and coherence PMAs, as defined in the profiles spec. > Even though mandated, misaligned loads and stores might execute > extremely slowly. Standard software distributions should assume their > existence only for correctness, not for performance. > > Reviewed-by: Conor Dooley > Reviewed-by: Andy Chiu > Reviewed-by: Charlie Jenkins > Tested-by: Charlie Jenkins > Signed-off-by: Jesse Taube > [Rebased, rewrote doc text, minor commit message revisions] > Signed-off-by: Andrew Jones > Signed-off-by: Guodong Xu Thanks, queued for v7.3. - Paul 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 9B46AC56205 for ; Thu, 6 Aug 2026 18:31:33 +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:Message-ID: In-Reply-To:Subject:cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qmh8kQO4YNERPScjimc3xFHfXxSpGURCRkz+SBnw+Os=; b=naIBzW5hAl8WX6 wFRgBb7J+jX15Ma+ZxJpyW9zdUtLVfMTve/tl5N5yZZBipEXN/uuEOujXzO82tQBps7UzYfrYA8nh cUNMbUyvdROT9D0+BRvYdhocfKAOZTssrsj+pXzADYsMdnn3RegeouIQM+Ra8n6z3TDZ0hftSqH/o 7Pp0G/mClrXstYRJ9FNKvM85Hvk51ju2XL0QCZf3wOA3oel0yYbBcPSzeUVqnw0mehQN4sLQt3oRQ g/TlnKRMt4q0eOafizG2b4B1goeMKOl53E/1R+5p2aRln89r0+FLbmmvbuvsJka1E+MxQ6iKHgecK zPFRePuMIFze6FtDdUQA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1ws2sP-00000006UEh-0rED; Thu, 06 Aug 2026 18:31:33 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1ws2sO-00000006UE3-1mI5; Thu, 06 Aug 2026 18:31:32 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id A244C60A74; Thu, 6 Aug 2026 18:31:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 470951F000E9; Thu, 6 Aug 2026 18:31:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786041091; bh=44M6jU/Kh8m/G1eDNu1JXoHIPfmG7QRrcFJA1Q9PNY0=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=Dtv22uXuK+7t8r3nCF4xtLj9ZE0N6JSnTz8DbzNOxgEwNM5aQeq+cMVN1sxrQ57ag xtYg1nxiom1fw/NBSWSXcijfhwmbkjDnI4BZsi4d1Bd4ca6hQciNOu/HO02Joy68ED C/MLPgoUtUoAKm9LvILDbulTamZGlhKRrOq2hZQfltwviigCURwFWSPkpa2p9A1aOh Eadr1J/UnRjIIA8Zpa0xjhS4TNuHNiOHMEC08Az7rkZoQmnTgPejxSuefiMC77oG4n P+LGJio5+Qu6DYiunq/Y7+9q8n24rg0AV5eU77Yqja2WXzvT3bT7x58ZO6KAIpnWtZ vNT0nxgWGwmoA== Date: Thu, 6 Aug 2026 12:31:28 -0600 (MDT) From: Paul Walmsley To: Guodong Xu cc: Jonathan Corbet , Shuah Khan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Zong Li , Deepak Gupta , Anup Patel , Atish Patra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Chen Wang , Inochi Amaoto , Chen Wang , linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Paul Walmsley , Conor Dooley , Jesse Taube , Charlie Jenkins , Andrew Jones , devicetree@vger.kernel.org, spacemit@lists.linux.dev, sophgo@lists.linux.dev, linux-kselftest@vger.kernel.org, Jesse Taube , Conor Dooley , Charlie Jenkins , Andy Chiu Subject: Re: [PATCH v5 05/17] riscv: Add Zicclsm to cpufeature and hwprobe In-Reply-To: <20260701-rva23u64-hwprobe-v2-v5-5-2c61f94a695a@gmail.com> Message-ID: <3cb41566-deea-689b-c445-2226d7f3f25a@kernel.org> References: <20260701-rva23u64-hwprobe-v2-v5-0-2c61f94a695a@gmail.com> <20260701-rva23u64-hwprobe-v2-v5-5-2c61f94a695a@gmail.com> MIME-Version: 1.0 X-BeenThere: kvm-riscv@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: "kvm-riscv" Errors-To: kvm-riscv-bounces+kvm-riscv=archiver.kernel.org@lists.infradead.org On Wed, 1 Jul 2026, Guodong Xu wrote: > From: Jesse Taube > > Zicclsm requires misaligned support for all regular load and store > instructions, both scalar and vector, but not AMOs or other > specialized forms of memory access, to main memory regions with both > the cacheability and coherence PMAs, as defined in the profiles spec. > Even though mandated, misaligned loads and stores might execute > extremely slowly. Standard software distributions should assume their > existence only for correctness, not for performance. > > Reviewed-by: Conor Dooley > Reviewed-by: Andy Chiu > Reviewed-by: Charlie Jenkins > Tested-by: Charlie Jenkins > Signed-off-by: Jesse Taube > [Rebased, rewrote doc text, minor commit message revisions] > Signed-off-by: Andrew Jones > Signed-off-by: Guodong Xu Thanks, queued for v7.3. - Paul -- kvm-riscv mailing list kvm-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kvm-riscv