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 D6BB718DB26; Mon, 15 Jun 2026 01:20:31 +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=1781486433; cv=none; b=l1enXqk5jR86Aelbhz0pJAtoId8LgJ171KPnT/6S6NbodHB4OEkqDlRDCebv+fqetwq81pvKVKbIDag3gFDrSs6EyyYCrOAFOTBsBjECqV9dhlE8WAR3YQj9RZi69fkOoa2krbeM+kKBuLZ+1M5IwYnEldzntAanJQLCH5JEQHA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781486433; c=relaxed/simple; bh=EvaH+h58GYm4IQiMvlgenwEoK1ZGDPeyN3jeqXhLUw8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NCTwy2S/iR0lc3CkgzyfO1k/I9JSLFtBIE0f1ar7/K9Ff8Jo/cyUygoYYhJ7j8VX7yQlmu/PUo6JrhO0YnWlQKsWH8Zq4uT7BvzhAfMSFNFZTfQizGbmj/E7M8oIvqyeZeYCYdESxf8g8p5QwrT5G4DYlswMHgPSDsjrUsPP//g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MXsx03Wd; 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="MXsx03Wd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF2281F000E9; Mon, 15 Jun 2026 01:20:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781486431; bh=rYwZ2eVwOLWaAkHwno3LEyxTco9cvFVt3Q1mmJlReC8=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=MXsx03WdITf3HmhydUJ5OgLaBLMaOPcBcBuaaknFTU+pFovh4q4XfVpGTDNjnrTZ0 YS1kq51da+JmogOuO3uZeyw7zVfkNE41FmDX9Di8SMow0AgMua7o1ZP7NgiDNxjuqX l1xsT1vZc/uJA7BM24vbEkFL2TKwirUmPw9+iZKPvWAufBxgprFX6HxBiRFbSBc7b4 uuYrzzjcNsltJAeQCx4M0UBzMN4YcgTbR1sTm0fEQl1iBreBf+pV+8vaNAPzLsAF6M 8ac26hwL+1RIkpxZTXfcWXAjDxkTMuJDmtvfHcPpZeKd89e7nJQNrTe4aRcxGc6LAG p413kxgkTuC+Q== Date: Mon, 15 Jun 2026 01:20:29 +0000 From: Yixun Lan 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 , Chen Wang , Inochi Amaoto , 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 , devicetree@vger.kernel.org, spacemit@lists.linux.dev, sophgo@lists.linux.dev, linux-kselftest@vger.kernel.org, Palmer Dabbelt Subject: Re: [PATCH v4 10/16] riscv: dts: spacemit: k3: Add Zic64b ISA extension Message-ID: <20260615012029-GKA1003249@kernel.org> References: <20260611-rva23u64-hwprobe-v2-v4-0-3f01a2449488@gmail.com> <20260611-rva23u64-hwprobe-v2-v4-10-3f01a2449488@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=utf-8 Content-Disposition: inline In-Reply-To: <20260611-rva23u64-hwprobe-v2-v4-10-3f01a2449488@gmail.com> Hi Guodong, On 16:12 Thu 11 Jun , Guodong Xu wrote: > The K3 X100 cores have 64-byte cache blocks, already described by their > cbom/cbop/cboz-block-size of 64, so they implement Zic64b, a mandatory > RVA23 extension. Declare it in each core's riscv,isa-extensions. > > Signed-off-by: Guodong Xu Reviewed-by: Yixun Lan > --- > v4: No change. > v3: New patch. > --- > arch/riscv/boot/dts/spacemit/k3.dtsi | 48 ++++++++++++++++++------------------ > 1 file changed, 24 insertions(+), 24 deletions(-) > > diff --git a/arch/riscv/boot/dts/spacemit/k3.dtsi b/arch/riscv/boot/dts/spacemit/k3.dtsi > index 4ac457399b583..b5aa983f0bfa1 100644 > --- a/arch/riscv/boot/dts/spacemit/k3.dtsi > +++ b/arch/riscv/boot/dts/spacemit/k3.dtsi > @@ -35,9 +35,9 @@ cpu_0: cpu@0 { > "svinval", "svnapot", "svpbmt", "za64rs", > "zawrs", "zba", "zbb", "zbc", "zbs", "zca", > "zcb", "zcd", "zcmop", "zfa", "zfbfmin", > - "zfh", "zfhmin", "zicbom", "zicbop", "zicboz", > - "ziccamoa", "ziccif", "zicclsm", "ziccrse", "zicntr", > - "zicond", "zicsr", "zifencei", "zihintntl", > + "zfh", "zfhmin", "zic64b", "zicbom", "zicbop", > + "zicboz", "ziccamoa", "ziccif", "zicclsm", "ziccrse", > + "zicntr", "zicond", "zicsr", "zifencei", "zihintntl", > "zihintpause", "zihpm", "zimop", "zkt", "zvbb", > "zvbc", "zvfbfmin", "zvfbfwma", "zvfh", > "zvfhmin", "zvkb", "zvkg", "zvkn", "zvknc", > @@ -76,9 +76,9 @@ cpu_1: cpu@1 { > "svinval", "svnapot", "svpbmt", "za64rs", > "zawrs", "zba", "zbb", "zbc", "zbs", "zca", > "zcb", "zcd", "zcmop", "zfa", "zfbfmin", > - "zfh", "zfhmin", "zicbom", "zicbop", "zicboz", > - "ziccamoa", "ziccif", "zicclsm", "ziccrse", "zicntr", > - "zicond", "zicsr", "zifencei", "zihintntl", > + "zfh", "zfhmin", "zic64b", "zicbom", "zicbop", > + "zicboz", "ziccamoa", "ziccif", "zicclsm", "ziccrse", > + "zicntr", "zicond", "zicsr", "zifencei", "zihintntl", > "zihintpause", "zihpm", "zimop", "zkt", "zvbb", > "zvbc", "zvfbfmin", "zvfbfwma", "zvfh", > "zvfhmin", "zvkb", "zvkg", "zvkn", "zvknc", > @@ -117,9 +117,9 @@ cpu_2: cpu@2 { > "svinval", "svnapot", "svpbmt", "za64rs", > "zawrs", "zba", "zbb", "zbc", "zbs", "zca", > "zcb", "zcd", "zcmop", "zfa", "zfbfmin", > - "zfh", "zfhmin", "zicbom", "zicbop", "zicboz", > - "ziccamoa", "ziccif", "zicclsm", "ziccrse", "zicntr", > - "zicond", "zicsr", "zifencei", "zihintntl", > + "zfh", "zfhmin", "zic64b", "zicbom", "zicbop", > + "zicboz", "ziccamoa", "ziccif", "zicclsm", "ziccrse", > + "zicntr", "zicond", "zicsr", "zifencei", "zihintntl", > "zihintpause", "zihpm", "zimop", "zkt", "zvbb", > "zvbc", "zvfbfmin", "zvfbfwma", "zvfh", > "zvfhmin", "zvkb", "zvkg", "zvkn", "zvknc", > @@ -158,9 +158,9 @@ cpu_3: cpu@3 { > "svinval", "svnapot", "svpbmt", "za64rs", > "zawrs", "zba", "zbb", "zbc", "zbs", "zca", > "zcb", "zcd", "zcmop", "zfa", "zfbfmin", > - "zfh", "zfhmin", "zicbom", "zicbop", "zicboz", > - "ziccamoa", "ziccif", "zicclsm", "ziccrse", "zicntr", > - "zicond", "zicsr", "zifencei", "zihintntl", > + "zfh", "zfhmin", "zic64b", "zicbom", "zicbop", > + "zicboz", "ziccamoa", "ziccif", "zicclsm", "ziccrse", > + "zicntr", "zicond", "zicsr", "zifencei", "zihintntl", > "zihintpause", "zihpm", "zimop", "zkt", "zvbb", > "zvbc", "zvfbfmin", "zvfbfwma", "zvfh", > "zvfhmin", "zvkb", "zvkg", "zvkn", "zvknc", > @@ -199,9 +199,9 @@ cpu_4: cpu@4 { > "svinval", "svnapot", "svpbmt", "za64rs", > "zawrs", "zba", "zbb", "zbc", "zbs", "zca", > "zcb", "zcd", "zcmop", "zfa", "zfbfmin", > - "zfh", "zfhmin", "zicbom", "zicbop", "zicboz", > - "ziccamoa", "ziccif", "zicclsm", "ziccrse", "zicntr", > - "zicond", "zicsr", "zifencei", "zihintntl", > + "zfh", "zfhmin", "zic64b", "zicbom", "zicbop", > + "zicboz", "ziccamoa", "ziccif", "zicclsm", "ziccrse", > + "zicntr", "zicond", "zicsr", "zifencei", "zihintntl", > "zihintpause", "zihpm", "zimop", "zkt", "zvbb", > "zvbc", "zvfbfmin", "zvfbfwma", "zvfh", > "zvfhmin", "zvkb", "zvkg", "zvkn", "zvknc", > @@ -240,9 +240,9 @@ cpu_5: cpu@5 { > "svinval", "svnapot", "svpbmt", "za64rs", > "zawrs", "zba", "zbb", "zbc", "zbs", "zca", > "zcb", "zcd", "zcmop", "zfa", "zfbfmin", > - "zfh", "zfhmin", "zicbom", "zicbop", "zicboz", > - "ziccamoa", "ziccif", "zicclsm", "ziccrse", "zicntr", > - "zicond", "zicsr", "zifencei", "zihintntl", > + "zfh", "zfhmin", "zic64b", "zicbom", "zicbop", > + "zicboz", "ziccamoa", "ziccif", "zicclsm", "ziccrse", > + "zicntr", "zicond", "zicsr", "zifencei", "zihintntl", > "zihintpause", "zihpm", "zimop", "zkt", "zvbb", > "zvbc", "zvfbfmin", "zvfbfwma", "zvfh", > "zvfhmin", "zvkb", "zvkg", "zvkn", "zvknc", > @@ -281,9 +281,9 @@ cpu_6: cpu@6 { > "svinval", "svnapot", "svpbmt", "za64rs", > "zawrs", "zba", "zbb", "zbc", "zbs", "zca", > "zcb", "zcd", "zcmop", "zfa", "zfbfmin", > - "zfh", "zfhmin", "zicbom", "zicbop", "zicboz", > - "ziccamoa", "ziccif", "zicclsm", "ziccrse", "zicntr", > - "zicond", "zicsr", "zifencei", "zihintntl", > + "zfh", "zfhmin", "zic64b", "zicbom", "zicbop", > + "zicboz", "ziccamoa", "ziccif", "zicclsm", "ziccrse", > + "zicntr", "zicond", "zicsr", "zifencei", "zihintntl", > "zihintpause", "zihpm", "zimop", "zkt", "zvbb", > "zvbc", "zvfbfmin", "zvfbfwma", "zvfh", > "zvfhmin", "zvkb", "zvkg", "zvkn", "zvknc", > @@ -322,9 +322,9 @@ cpu_7: cpu@7 { > "svinval", "svnapot", "svpbmt", "za64rs", > "zawrs", "zba", "zbb", "zbc", "zbs", "zca", > "zcb", "zcd", "zcmop", "zfa", "zfbfmin", > - "zfh", "zfhmin", "zicbom", "zicbop", "zicboz", > - "ziccamoa", "ziccif", "zicclsm", "ziccrse", "zicntr", > - "zicond", "zicsr", "zifencei", "zihintntl", > + "zfh", "zfhmin", "zic64b", "zicbom", "zicbop", > + "zicboz", "ziccamoa", "ziccif", "zicclsm", "ziccrse", > + "zicntr", "zicond", "zicsr", "zifencei", "zihintntl", > "zihintpause", "zihpm", "zimop", "zkt", "zvbb", > "zvbc", "zvfbfmin", "zvfbfwma", "zvfh", > "zvfhmin", "zvkb", "zvkg", "zvkn", "zvknc", > > -- > 2.43.0 > -- Yixun Lan (dlan)