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 B3172CF9C69 for ; Tue, 24 Sep 2024 22:05:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:Cc:To:Subject: Message-ID:Date:From:In-Reply-To:References:MIME-Version:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NsZrdsG+uwrLVvS5FWIhBRuHHog4+l/Yf5EAxQLtzhs=; b=VF+PYhpdKjJzfJ42OTZUTmqO2k ByvTZC6nlsoguBC/tB9Ue3e6vvWe6fZ7ve+q0iekRFDgM39InQ7qpfya7fRZ2qQC7FR7Sll5UbgHR emnAFUQ3cDnz9+MViRRIJFAiTotoqV9HUsqRCTkocfwfemYcQjoJpjy5XdokYtZ54BsaMRY7wA+y+ 3B5ouWYmhnez0rw58ns6UQ5XysilqyyJSU7+nHAvVtvAxdkqQG1fVQw0LXNCtAr+6DVKcA0zCjSop LnA+YLOzMee3TkHT8NKhszQndfiNB5Rg294onsCe+228h44zQKKMHYdwiHLKAzpWVg5RNNf+w0C9s oquPNCqA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1stDee-00000003OlI-1Q9B; Tue, 24 Sep 2024 22:05:08 +0000 Received: from mail-qk1-x72a.google.com ([2607:f8b0:4864:20::72a]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1stDci-00000003OQy-1kdj for linux-arm-kernel@lists.infradead.org; Tue, 24 Sep 2024 22:03:10 +0000 Received: by mail-qk1-x72a.google.com with SMTP id af79cd13be357-7a9aa913442so601355985a.1 for ; Tue, 24 Sep 2024 15:03:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fooishbar.org; s=google; t=1727215387; x=1727820187; darn=lists.infradead.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=NsZrdsG+uwrLVvS5FWIhBRuHHog4+l/Yf5EAxQLtzhs=; b=itD9iTBnwZpI3//lqOYza3c/4kqJp2/lFTtSTWHZq1gqJo0XuZpb3VNg745B/OgyeX Kzh0h4PI/m7wVwbyQAP0sg6tQ7XdCt2TSmixbhaMOy8og/Rak43doD/toBTz3WG1MVhe VSmRo1Rk112ecc0oQEqhMTBDgg27aQtK6q33fROHsPoHZQ7/w8O2V4GdT1vxFOyq6VAG V4UfZ3v1CUr9xbsA3NFXwzwrpWKhZYU8bET7f6WZB+W4YiAOxmlKZ6dLpkeIc2qOOoP0 QdQesJEcbHrG7iK9C503EoWZmpLztS0nr3LY0yep9tlzgOvX+A48gtqE8BAKW0wOBA5t HpBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727215387; x=1727820187; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=NsZrdsG+uwrLVvS5FWIhBRuHHog4+l/Yf5EAxQLtzhs=; b=J/aOrzgHpp0dkM4kW0uzX8gNbGl1BtigQaMgOj8GBTCn483QvzoCAGL37M/VDT/YIW ViuHuMozssCmiZcymrm7x3vOKoO8M9e4dHDvN7bZBpNa7xUJCwvUblKKzOV5UQVlB57t FuALq5UuOrUHTPm8cvzDxOEvb3qCetMB/bU4VKO+jntGQuF42gSx7N57ZhVYQXBCeLxU h++S5cWVkagNlzpBqdQn7zLwmc6f8mzkao6DSSfaz9E13CnJEFQkSXLV4d7ah9n/i7zV vWbXvd/0N8ViOOkNIHiRGH9N17Px1x1oJLdHCXFKzNUnPW5RvbKFFxexqQycroPcLE3X ql7g== X-Forwarded-Encrypted: i=1; AJvYcCVre9i434G2hPV1gjpLC7EVP/vOkT67l7/Al3PMKlZnN4IGgxpRkRoh/Ve+urM6Cf63w/E5Y9Kc3M056LRGAeb2@lists.infradead.org X-Gm-Message-State: AOJu0YxJS2zOHasIfqHK4W4Oqjkf8GO5ZMyOt9cOscfpzOF9aF2F5IeK u/cyjsd9mu/lXDiy2vLKzTafU8+l6s/am3+fNsMFLJGIRx/YaLIjYKeGxdkAO4clFz4+i49jEOB eL+fnIkZEGoIq/16uApBnjJWrMV2JmZ4mf0gceA== X-Google-Smtp-Source: AGHT+IElqfXPuPng8AojlDDF2C6GLMgjgq9uYfkfDW9uAzUUN373GhIZBRXCnSZ4eftp7Scr+RM/AU3bO+2aPn4itIQ= X-Received: by 2002:a05:620a:179e:b0:7a9:be7a:9220 with SMTP id af79cd13be357-7ace745d94emr87761585a.60.1727215386507; Tue, 24 Sep 2024 15:03:06 -0700 (PDT) MIME-Version: 1.0 References: <20240830070351.2855919-1-jens.wiklander@linaro.org> In-Reply-To: <20240830070351.2855919-1-jens.wiklander@linaro.org> From: Daniel Stone Date: Tue, 24 Sep 2024 23:02:54 +0100 Message-ID: Subject: Re: [RFC PATCH 0/4] Linaro restricted heap To: Jens Wiklander Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, op-tee@lists.trustedfirmware.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Olivier Masse , Thierry Reding , Yong Wu , Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T . J . Mercier" , =?UTF-8?Q?Christian_K=C3=B6nig?= , Sumit Garg , Matthias Brugger , AngeloGioacchino Del Regno , Rob Herring , Krzysztof Kozlowski , Conor Dooley Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240924_150308_562619_69F950CB X-CRM114-Status: GOOD ( 11.46 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Jens, On Fri, 30 Aug 2024 at 08:04, Jens Wiklander wrote: > This patch set is based on top of Yong Wu's restricted heap patch set [1]. > It's also a continuation on Olivier's Add dma-buf secure-heap patch set [2]. > > The Linaro restricted heap uses genalloc in the kernel to manage the heap > carvout. This is a difference from the Mediatek restricted heap which > relies on the secure world to manage the carveout. Calling this the 'genalloc heap' would be much more clear. Cheers, Daniel