From patchwork Fri Sep 28 07:14:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 976054 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bgdev.pl Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="eLHi1vG8"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42M2xZ6hvBz9sCP for ; Fri, 28 Sep 2018 17:14:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728951AbeI1NhR (ORCPT ); Fri, 28 Sep 2018 09:37:17 -0400 Received: from mail-wm1-f65.google.com ([209.85.128.65]:35491 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726106AbeI1Ngp (ORCPT ); Fri, 28 Sep 2018 09:36:45 -0400 Received: by mail-wm1-f65.google.com with SMTP id o18-v6so1095696wmc.0 for ; Fri, 28 Sep 2018 00:14:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=NgeYDmY9zJkHiLqjgSY9G479HjGWfDMkcTrDB/sBJU8=; b=eLHi1vG8iNNZYy7EXijkDm/dJ94FohQEoJ5RBT4T9X1gKicmDAsy5hgnmIceZLXYr9 jYdourd/Cl5cZnstoAcsYz990m+2l5kxyRZ925F2w+S0oIib76fduPXAgy+nvN72MdWM 0cwppZ5vQE3ssSS9mIjKgKLtxTm4gWmBrxtYuEqRBjYyC6KjL0tUX85VmBX8D2U25FGM re6G/QvQFIaXykUZvw610i1AVNmzbu977OCeihtAwXS6yGttFfK/4bCErbvPX9TnVJ68 IUWJ5jOmS7PhbJlCemCXdIHJySy731CLwERlQmNLnFUJEhrn4lVQrAFedOafm7Czlm2s f2Bg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=NgeYDmY9zJkHiLqjgSY9G479HjGWfDMkcTrDB/sBJU8=; b=AqtsoeM9eRj5k7/jK8sJ0AjhVAcekG7zkMTQiiwoCKUsi4qd6xcAaVu0a4OSB8yeNb RfDbjud1TJCYkAMwoOI0dLihoIeh/UBoEFDeRrHnSEHDdWjd+uBkL/DFZkdBXshqcLdE yNG+AapZjkAb0loABx+mRdjDrcVRd6EJloEg/lnVr4NPW7tflxnGoJyfJGooNWACCC4a J9KuAmAlJquQGDqVjrRKRt6IMIgeSY3eQy1Hw+zJFWgwlyL+KmhGtHk+dHDg5V55B5mY whPTO58GXT9vwGV2/+pq4c7gLkFE/2yoI6l7dXhyz/7X0CILYnzRrb1Nm8mqV8PjxcKh vZVQ== X-Gm-Message-State: ABuFfogGLX4ilPDetADlOBLUYUshlzHfM5NcRwxvjXNP7apiP+cAVxx6 L4YIKBuWuEmZ7bn8Zz8aUCuYyqrsXjY= X-Google-Smtp-Source: ACcGV61r81WVl7JeWcGVJGdRT8hEZyo311xqRU77l/y5jsZ6F8Ms69pp4JnP/b8R6MmLpVRYUCh12Q== X-Received: by 2002:a1c:4054:: with SMTP id n81-v6mr749853wma.82.1538118862907; Fri, 28 Sep 2018 00:14:22 -0700 (PDT) Received: from brgl-bgdev.sitez.s.ibrowse.com (93-158-26-51.subs.ibrowse.com. [93.158.26.51]) by smtp.gmail.com with ESMTPSA id w3-v6sm2699580wru.93.2018.09.28.00.14.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 28 Sep 2018 00:14:22 -0700 (PDT) From: Bartosz Golaszewski To: Greg Kroah-Hartman , "Rafael J . Wysocki" , Jassi Brar , Thierry Reding , Jonathan Hunter , Arnd Bergmann , Andy Shevchenko , Geert Uytterhoeven , Rasmus Villemoes Cc: linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, Bartosz Golaszewski Subject: [PATCH v5 0/4] devres: provide and use devm_kstrdup_const() Date: Fri, 28 Sep 2018 09:14:10 +0200 Message-Id: <20180928071414.30703-1-brgl@bgdev.pl> X-Mailer: git-send-email 2.18.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org This series implements devm_kstrdup_const() together with some prerequisite changes and uses it in pmc-atom driver. v1 -> v2: - fixed the changelog in the patch implementing devm_kstrdup_const() - fixed the kernel doc - moved is_kernel_rodata() to asm-generic/sections.h - fixed constness v2 -> v3: - rebased on top of 4.19-rc5 as there were some conflicts in the pmc-atom driver - collected Reviewed-by tags v3 -> v4: - Andy NAK'ed patch 4/4 so I added a different example - collected more tags v4 -> v5: - instead of providing devm_kfree_const(), make devm_kfree() check if given pointer is not in .rodata and act accordingly Bartosz Golaszewski (4): devres: constify p in devm_kfree() mm: move is_kernel_rodata() to asm-generic/sections.h devres: provide devm_kstrdup_const() mailbox: tegra-hsp: use devm_kstrdup_const() drivers/base/devres.c | 36 +++++++++++++++++++++++++++-- drivers/mailbox/tegra-hsp.c | 41 ++++++++-------------------------- include/asm-generic/sections.h | 14 ++++++++++++ include/linux/device.h | 4 +++- mm/util.c | 7 ------ 5 files changed, 60 insertions(+), 42 deletions(-)