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 1B9DF152500; Fri, 12 Jul 2024 10:20:32 +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=1720779633; cv=none; b=GyngVUEuWDwdcW1ReeiMcAjwg3gmoiyAaFZSPu2NfSAhjIAdi5+/l+rYHnlaLmyIz+4/e4utlJ3+brpjlL8BrAvLWwyxsU5SGc084KP4m1Q8YmnD7DVpzYvbxZ7OlZdpMQ1CzZ31z4Q3jon8fjSAOEMSp68YvUvRv5R0FF1cUqM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720779633; c=relaxed/simple; bh=VVoIxpcBpsu5DTyIieNUadbasv+xGN5WhTLbUa6mR/c=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=lZ1lqtg80/x17W1ZwNJNVOyja4jYyr8DW88RUW/jLl9db/cSheCF6h/Cwd7tb/xfaeD0TTIHKXrN8DRPVEvmC2qKp7MYY3Lq3iS8i6Lr3Cc6XhKu+D51xOPJZkMK5i3S661lkZopq3ZXjWOkw8+3d5TI3CDcvcu5mffA3DF1n/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=HuCJckfV; 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="HuCJckfV" Received: by smtp.kernel.org (Postfix) with ESMTPS id A3984C4AF0B; Fri, 12 Jul 2024 10:20:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720779632; bh=VVoIxpcBpsu5DTyIieNUadbasv+xGN5WhTLbUa6mR/c=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=HuCJckfV+Y2YomYDLLyNFm4QYZDL+JVt6WlrvWFNYv6yVHh+6d8bHsc2cHao9BEVH 7+E5qsJrddW46aPiQAOXRfzEHH1QqtIIybderNU55GqK6rQJTon8+Zx/clW7BIkc1m b5VBcEAyekiCYDfxuO662s8FQXmWEecRNfBw9b63v2EiczLsNSsrsaatrWkwY3RWFZ AXhm4TZtuLKSkDy/3obgSBFF/UuPVIfScVJggzpu3/xoTWaV450mdXkWhUppfUQJfF SrWD0hBQ7HXir7SIl28OHO2epJ8m/fkNAZEV20EujfQPjAF/A1C7Gu0JV6flCEimTN j/JbUo4xYZn+Q== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 90E99C43468; Fri, 12 Jul 2024 10:20:32 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v5] riscv: hwprobe: export highest virtual userspace address From: patchwork-bot+linux-riscv@kernel.org Message-Id: <172077963258.4770.205626830375405089.git-patchwork-notify@kernel.org> Date: Fri, 12 Jul 2024 10:20:32 +0000 References: <20240410144558.1104006-1-cleger@rivosinc.com> In-Reply-To: <20240410144558.1104006-1-cleger@rivosinc.com> To: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2VyIDxjbGVnZXJAcml2b3NpbmMuY29tPg==?=@ci.codeaurora.org Cc: linux-riscv@lists.infradead.org, corbet@lwn.net, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, rehn@rivosinc.com, charlie@rivosinc.com, sorear@fastmail.com, jrtc27@jrtc27.com Hello: This patch was applied to riscv/linux.git (for-next) by Palmer Dabbelt : On Wed, 10 Apr 2024 16:45:57 +0200 you wrote: > Some userspace applications (OpenJDK for instance) uses the free MSBs > in pointers to insert additional information for their own logic and > need to get this information from somewhere. Currently they rely on > parsing /proc/cpuinfo "mmu=svxx" string to obtain the current value of > virtual address usable bits [1]. Since this reflect the raw supported > MMU mode, it might differ from the logical one used internally which is > why arch_get_mmap_end() is used. Exporting the highest mmapable address > through hwprobe will allow a more stable interface to be used. For that > purpose, add a new hwprobe key named > RISCV_HWPROBE_KEY_HIGHEST_VIRT_ADDRESS which will export the highest > userspace virtual address. > > [...] Here is the summary with links: - [v5] riscv: hwprobe: export highest virtual userspace address https://git.kernel.org/riscv/c/c9b8cd139c1d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html