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 5B92B38F92D; Mon, 21 Sep 2026 06:57:44 +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=1789973865; cv=none; b=ehrafjAan5fywZw4B/sIHUZw0HB9p3dI9M1NDH4AiXzQAwz/pjQlhGxJ1ny44IuNlDxdjkeNW7Bm3VSr+B12xC0g0fc0+ltOL3zhTj00Qg1dBuY/djaI7OaPIa6FYVG/nxDupNQyRpVyS576WZ1vFAuLbXICtGZ+OAAvJMr2Dy4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789973865; c=relaxed/simple; bh=3k0P7egRJAwhHGXAhVPjJL8SDOJ7IUNyGn8/gepYaG8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=du33/vvHYAcJoPdETDasA297TC1SLxXsE7aGEyCZOs1rCmCrRpKjuuIbqqYU1qLvZjayT7+P75HmlZLirQpdpAGZR0hmDyesvGGMNnqIevc2DeqtucVF+tO+fwxwwzZ6OXnfEcTt7akKjZogxjuQ2tEluqqTlSRIoEL28Sm3PYM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CsdfJbqG; 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="CsdfJbqG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7ED401F000FF; Mon, 21 Sep 2026 06:57:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789973864; bh=8AbV6ioiEGOWrXlJd0nFCFw/BQn3PCB4bJsD0M3s6ZI=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=CsdfJbqGXWpoA8CDYUjjF6BytwF09mEWBrwRs12h1PFAOuUvpL1ulZBI77Odkr6e3 k85k4aDhb3EqzqIyrQITn1tMNskmhogMSS0PWqF5df/fnFQnhjSXEAcLHXdYEgHLgU Px6YjimUVJ3qyf78tMk5kL4sD2CGJlG871MTZFZFVWC+6df4fApeulWSVhtBZK2qYy UI04iL/LNqwWfHfGfIJLa5xde5D/6EIVOKhW8xmYdRqG0hSIoXAPaT69WnW40l/Yz0 Vy+anCIK/AnSktEacdFkzptTcGHU5wTjSlNaJrEwEJD9jzO98b0cPJVafPi6VnmUw6 xeVMlskKehpPQ== X-Mailer: emacs 31.1 (via feedmail 11-beta-1 I) From: Aneesh Kumar K.V To: Catalin Marinas Cc: linux-coco@lists.linux.dev, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, Jason Gunthorpe , Marc Zyngier , Marek Szyprowski , Robin Murphy , Steven Price , Suzuki K Poulose , Thomas Gleixner , Will Deacon , Sumit Semwal , Christian K?nig Subject: Re: [PATCH v6 7/9] dma-buf: system_heap: Enforce shared-granule alignment for cc-shared buffers In-Reply-To: References: Date: Mon, 21 Sep 2026 12:27:35 +0530 Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Catalin Marinas writes: > First, none of the DMA-BUF maintainers have been cc'ed. It might be fine > for an RFC but this series got to version 6. We need their feedback. > > On Fri, Sep 04, 2026 at 04:04:50PM +0530, Aneesh Kumar K.V (Arm) wrote: >> The system heap can allocate buffers that are decrypted and shared with the [ ... 107 lines skipped ... ] > > You need to get a proper base so that Sashiko can review this series. I > ran it through Claude and the above is wrong to go to free_buffer which > walks over the pages list that has not been initialised yet. > There is a dependency on the file-movement changes in the arm-smccc bus patch series. This was done because we agreed to move the RSI changes out of arch/arm64 before considering further CCA-related changes for merging. Do you have any suggestions on how to handle this? I could include the dependent patches when posting the new series so that Sashiko has a base on which to apply it, and clearly mark those patches as not for merging. -aneesh