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 X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E44CDC433DB for ; Mon, 1 Feb 2021 15:07:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E5B264DAF for ; Mon, 1 Feb 2021 15:07:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230436AbhBAPFZ (ORCPT ); Mon, 1 Feb 2021 10:05:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229527AbhBAPDM (ORCPT ); Mon, 1 Feb 2021 10:03:12 -0500 Received: from mail-qk1-x72d.google.com (mail-qk1-x72d.google.com [IPv6:2607:f8b0:4864:20::72d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC09AC061756 for ; Mon, 1 Feb 2021 07:03:10 -0800 (PST) Received: by mail-qk1-x72d.google.com with SMTP id v126so16434008qkd.11 for ; Mon, 01 Feb 2021 07:03:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=cwaD/KS9cDpaZAIVrcMBsnLRQJ75Ycyv9luEJSiPg88=; b=V9qM/Na4/H6vxU6R++Um3+t7PpzqkK1c2UlQV6OfYLsutcq/zUhowRcjN8JvNC2V58 x1oAnHYwtpwXadZo6O6RnpFa/oUX4TAvB6jPlVJ+187m5pWJQ3EDQ8tOLzPMdInmO1XH uaPBePZPhAdO9hRBCbqtfI7QPKPX+gztW+I5QmLNMZ573ZpzbGYxLbjqX8eOOW4zTjIJ l0LtTC8IxTMpPbnXb/+FgaxyFtX0MCsZbwrKwi0gftXE/Aeg1VH6+G3UltQwbqZw1dZa Cbo2JPVDjz/6AIWbX7AUtxE2mc7SZrnXux1Ulq8mTbOooiSDI2xvRYU9dFZbaIdKaorg O7cA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cwaD/KS9cDpaZAIVrcMBsnLRQJ75Ycyv9luEJSiPg88=; b=UcW3CLGderaF5uOLAOxmcFnWqm/GM2UO43BchYX9Rhnz8e9DAANU1UNCTw+K678Rzp Wz6i7XGrrU5wn33pLTBiz3OtCQziQrYmGo8TO0RTCvJiZetdGCIsUN4ex/xAzQOvjzhM PtytR8UugViVtCeBFCd2/Nc0P5eT6BK26kTIpUPgdUyfPWraw82bRSc+93sUCeqr4NvB JvV4/kVP6+Z3h0YyQ/+SZ/39V5wgJb1OR2h7LNZaCUbhgKHUEetSOgSSFSkSNwcLaK5r TN+0hu/jBGHUhHpViOYot6N4i6UB8XY5M8IHryT2tnMyeK1/brPpqTHOs0uNttOnj70v PQDQ== X-Gm-Message-State: AOAM533gkfvzAiJjkKiRcHAN0v3FGeQgX2kTXe0KGQmaLnBMszm1zfkH RdQL90oNSotb08uvN8jmBWLKJw== X-Google-Smtp-Source: ABdhPJz1xBjuAgzovFUei3M5R6nY9qHtlb6p7+ZK8swHO7gAiVhstZokQF9z3mi2exDsZuZNhkDcMA== X-Received: by 2002:a37:4691:: with SMTP id t139mr15832136qka.274.1612191790207; Mon, 01 Feb 2021 07:03:10 -0800 (PST) Received: from localhost.localdomain (c-73-69-118-222.hsd1.nh.comcast.net. [73.69.118.222]) by smtp.gmail.com with ESMTPSA id b16sm6970160qkh.21.2021.02.01.07.03.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Feb 2021 07:03:09 -0800 (PST) From: Pavel Tatashin To: pasha.tatashin@soleen.com, jmorris@namei.org, sashal@kernel.org, ebiederm@xmission.com, linux-kernel@vger.kernel.org, corbet@lwn.net, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, maz@kernel.org, james.morse@arm.com, vladimir.murzin@arm.com, matthias.bgg@gmail.com, mark.rutland@arm.com, steve.capper@arm.com, rfontana@redhat.com, selindag@gmail.com, tyhicks@linux.microsoft.com Subject: [PATCH 1/1] arm64: hibernate: add __force attribute to gfp_t casting Date: Mon, 1 Feb 2021 10:03:06 -0500 Message-Id: <20210201150306.54099-2-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210201150306.54099-1-pasha.tatashin@soleen.com> References: <20210201150306.54099-1-pasha.tatashin@soleen.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Two new warnings are reported by sparse: "sparse warnings: (new ones prefixed by >>)" >> arch/arm64/kernel/hibernate.c:181:39: sparse: sparse: cast to restricted gfp_t >> arch/arm64/kernel/hibernate.c:202:44: sparse: sparse: cast from restricted gfp_t gfp_t has __bitwise type attribute and requires __force added to casting in order to avoid these warnings. Fixes: 50f53fb72181 ("arm64: trans_pgd: make trans_pgd_map_page generic") Reported-by: kernel test robot Signed-off-by: Pavel Tatashin --- arch/arm64/kernel/hibernate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c index 9df32ba0d574..b1cef371df2b 100644 --- a/arch/arm64/kernel/hibernate.c +++ b/arch/arm64/kernel/hibernate.c @@ -178,7 +178,7 @@ EXPORT_SYMBOL(arch_hibernation_header_restore); static void *hibernate_page_alloc(void *arg) { - return (void *)get_safe_page((gfp_t)(unsigned long)arg); + return (void *)get_safe_page((__force gfp_t)(unsigned long)arg); } /* @@ -198,7 +198,7 @@ static int create_safe_exec_page(void *src_start, size_t length, { struct trans_pgd_info trans_info = { .trans_alloc_page = hibernate_page_alloc, - .trans_alloc_arg = (void *)GFP_ATOMIC, + .trans_alloc_arg = (__force void *)GFP_ATOMIC, }; void *page = (void *)get_safe_page(GFP_ATOMIC); -- 2.25.1