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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4899CC41535 for ; Fri, 23 Dec 2022 09:27:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236193AbiLWJ1U (ORCPT ); Fri, 23 Dec 2022 04:27:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236192AbiLWJ1R (ORCPT ); Fri, 23 Dec 2022 04:27:17 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 944FF37231; Fri, 23 Dec 2022 01:27:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=OyPsDfn6EY3YtQWol1kUj4ZkKQ779YWu6usWCZrDVyU=; b=3vSN5lDJRYtQDXMD4ceVKN3r/6 iK16qYTqy2Rr8bBRNyrcjRDbQNsmuFotVPpHnYAwMGn4oTxZK98mHdSLqlS9iBfJZOpMNoEALGHyT 8gGuZywdrNMc458UL5qkuO0RLdjn6QTqBtHWDaqqa5l1sW7zI172v20K0PO8mtOfrkpBtxjcbLrCx ZnGUnb3Aql8+9jIqgJmBfoeZGteAptd3lxNwnxqic+V6yejfqQpBmvCtMf1Trgsz54hl4jKx2Pd7B mdp3paNZrboT8AzhGVnc2OGhMQNb4MAQ9/CngUxoFXuKi0jjO8H/g7wtGYDaTlzP/LN48Mdjnkoih nqWt/2SA==; Received: from [2001:4bb8:199:7829:8d88:c8b3:6416:2f03] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1p8eKY-005hQ1-4D; Fri, 23 Dec 2022 09:27:06 +0000 From: Christoph Hellwig To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Mathieu Poirier , Andrew Morton , Uladzislau Rezki Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux.dev Subject: revert dma-mapping and vmap API abuse in qcom_q6v5_mss Date: Fri, 23 Dec 2022 10:27:01 +0100 Message-Id: <20221223092703.61927-1-hch@lst.de> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Hi all, this series reverts a completely broken commit to qcom_q6v5_mss the abuses the dma-mapping and vmap APIs in multiple, and mostly clearly documented ways, and then adds a patch to document and reject the so far undocumented API abuse. Diffstat: drivers/remoteproc/qcom_q6v5_mss.c | 38 +++++-------------------------------- mm/vmalloc.c | 3 ++ 2 files changed, 9 insertions(+), 32 deletions(-)