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 5DEAFEB64DC for ; Thu, 20 Jul 2023 03:28:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229831AbjGTD25 (ORCPT ); Wed, 19 Jul 2023 23:28:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229519AbjGTD2x (ORCPT ); Wed, 19 Jul 2023 23:28:53 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4B3DF0 for ; Wed, 19 Jul 2023 20:28:52 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id d2e1a72fcca58-666edfc50deso255979b3a.0 for ; Wed, 19 Jul 2023 20:28:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1689823732; x=1692415732; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:from:to:cc:subject:date:message-id:reply-to; bh=ZOBPZEd7GO5bOVU93EomlLr6fy4u0fAwVai5NlTK4qI=; b=iun6+ASZGI0sU3iFgPFeqYBIT1wuJH7wIckALTtwON4eaY06xEGDnbZ8/AjOquEvUg B8zylO1anH8htwUTeRs4NOedNvOiz5VIdb3oXSoYSs+2RFz9LzSaVm1m4chwe5WOU6ug 0+4Z3DQVPBzryOUCJXspHjs1UrQdbhvP9DbQuvMhcW+IbibzEVBr918jWczN0pJ+s7Y8 rB1IX/JlW376iVheZvYTCKFRhy/3mtzms6ipmXybvmnL+eUh/sc1rZWX6SFg+AzFH6oR lvqGX0VYgiAWzXEQOB+q4mF2Aqx4x0Hfi0AeqmAlayGEpOipRjaV9xb11XyZYkquPBU4 dalQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689823732; x=1692415732; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ZOBPZEd7GO5bOVU93EomlLr6fy4u0fAwVai5NlTK4qI=; b=WEWbTAbuLEJq5+hEjNjKEpPmFMqy50zzNUNLBC7D8WPrjoBDIcvjxjmXg8vOuZRWjO BVY7zBSyBAChflIID7gf2OmW/gN8tuZVs+pw6nErkN5ff85LobGURIq9ULpFZBi+al8P WdMO7gDnjASmkPngqSOhrSOpPtuhDRt7hEQWaWuckRr1Qbr0HwiWa95U+pcKgaKqo/ot Qhn6zPTLtJDJAvKi7qoRhO98P5N3tmCBYB+tHJ5eUTY75j8Tys9Mqv1hUJ1hqqFvbGJq TZo3QU6pOEzUTpZssCFy5fJQoSby2ly78cKuFG8XvC5WQ5snAu4rwCLdrtPHWZLFVCQM G9og== X-Gm-Message-State: ABy/qLanf0JnN2J+T1cgRGdBRVVxE/s24lCbvXp+FXFmP6GYqieCsgLM KSNq09bXvpHBruzIbp+aygBxzLQ8m7c= X-Google-Smtp-Source: APBJJlFxA/gzK44ZlbTOYuKv2CRVDPWSxBG2tC7PiQMre3UoqJobaYyu3RUYcad+Wl8jIM7QL76ACA== X-Received: by 2002:a05:6a00:1988:b0:656:c971:951 with SMTP id d8-20020a056a00198800b00656c9710951mr6176601pfl.8.1689823731912; Wed, 19 Jul 2023 20:28:51 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id 15-20020aa7920f000000b006829b27f252sm14713pfo.93.2023.07.19.20.28.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Jul 2023 20:28:51 -0700 (PDT) Sender: Guenter Roeck From: Guenter Roeck To: Mark Brown Cc: Greg Kroah-Hartman , "Rafael J . Wysocki" , linux-kernel@vger.kernel.org, Guenter Roeck Subject: [PATCH 1/2] regmap: Disable locking for RBTREE and MAPLE unit tests Date: Wed, 19 Jul 2023 20:28:47 -0700 Message-Id: <20230720032848.1306349-1-linux@roeck-us.net> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org REGCACHE_RBTREE and REGCACHE_MAPLE dynamically allocate memory for regmap operations. This is incompatible with spinlock based locking which is used for fast_io operations. Disable locking for the associated unit tests to avoid lockdep splashes. Fixes: f033c26de5a5 ("regmap: Add maple tree based register cache") Fixes: 2238959b6ad2 ("regmap: Add some basic kunit tests") Signed-off-by: Guenter Roeck --- drivers/base/regmap/regmap-kunit.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/base/regmap/regmap-kunit.c b/drivers/base/regmap/regmap-kunit.c index 24257aa9004d..9ff3018a46aa 100644 --- a/drivers/base/regmap/regmap-kunit.c +++ b/drivers/base/regmap/regmap-kunit.c @@ -58,6 +58,9 @@ static struct regmap *gen_regmap(struct regmap_config *config, int i; struct reg_default *defaults; + config->disable_locking = config->cache_type == REGCACHE_RBTREE || + config->cache_type == REGCACHE_MAPLE; + buf = kmalloc(size, GFP_KERNEL); if (!buf) return ERR_PTR(-ENOMEM); @@ -889,6 +892,8 @@ static struct regmap *gen_raw_regmap(struct regmap_config *config, config->cache_type = test_type->cache_type; config->val_format_endian = test_type->val_endian; + config->disable_locking = config->cache_type == REGCACHE_RBTREE || + config->cache_type == REGCACHE_MAPLE; buf = kmalloc(size, GFP_KERNEL); if (!buf) -- 2.39.2