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=-17.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 A5F25C4338F for ; Mon, 26 Jul 2021 14:16:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6B32060F23 for ; Mon, 26 Jul 2021 14:16:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6B32060F23 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Fl4isb+iXqmEp3WO6eJ11w/AMEt7hzsH0BM3qHhnvyc=; b=zKECahVkQncX1e apP6UuEHWAe+zKc1kEfypAIkiZPLHRILaombQWufKmXgQxy4N0AAULpec+5aardlm4kIdlWf2baoh cFREdDFW328QCD+rnQc822boWTfN6wcASXiSXdaEH08svrqyHLBQ2cZmA47PjFUCK5gQEcgloOtud C930KIsunrIlSUqCorvXemuySikicZWAlA6hxFUZs89MKK/N5sr5HOvEOR0gbheNTo3j5VY7Z6N5S HWvZIC14ePqzkUe97XU1b0JhucrgnoaS7qihGipG5jCMUuX3NfVVo9vAfrnZwYqyxjLrADT44boEP MEp9njSkdJmDoJkBam+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m81O3-00BTZD-JM; Mon, 26 Jul 2021 14:15:19 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m81Kx-00BRx7-96 for linux-arm-kernel@lists.infradead.org; Mon, 26 Jul 2021 14:12:08 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4923E6008E; Mon, 26 Jul 2021 14:12:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627308727; bh=UTVA/I5GZpCUptag9FFZWsMgsUUuzpPL6332p4erEwg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hoxjGN6w3v5WOEatYJDRYdg3rnRAdqft0//FplgqJO0bx9AKwj3uGjQrZg7pmX1wZ b47xhtea55Pjrqn64z2Cbe8lDlBhKuotlchG7l41O59NQCxS+o1cjWlVbwp491ctDx 7gZY48iw3jNzc3KrGSC1IVTUCCd0+8Hp9lOajd4ov40kDdM4dHUk3OwqG1VFmyMEne 4Ay0j5sHrv+X9byQ/pktr6uvm0/iDWirlW496zwPO+d0Z+T3N4zv8/azamNVWrdWHO sDEFTcSvEQ8qr5Bn2qaHxjLYaAlniQ+8kJFqtkxxIvPZbZh5CRUTLby/lhyYj9ASol v+W8sjv6yFbEw== From: Arnd Bergmann To: Russell King Cc: Arnd Bergmann , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, Alexander Viro , Linus Walleij , kernel test robot Subject: [PATCH v5 10/10] ARM: oabi-compat: fix oabi epoll sparse warning Date: Mon, 26 Jul 2021 16:11:41 +0200 Message-Id: <20210726141141.2839385-11-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210726141141.2839385-1-arnd@kernel.org> References: <20210726141141.2839385-1-arnd@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210726_071207_378610_52C97AC3 X-CRM114-Status: GOOD ( 14.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Arnd Bergmann As my patches change the oabi epoll definition, I received a report from the kernel test robot about a pre-existing issue with a mismatched __poll_t type. The OABI code was correct when it was initially added in linux-2.16, but a later (also correct) change to the generic __poll_t triggered a type mismatch warning from sparse. As __poll_t is always 32-bit bits wide and otherwise compatible, using this instead of __u32 in the oabi_epoll_event definition is a valid workaround. Reported-by: kernel test robot Fixes: 8ced390c2b18 ("define __poll_t, annotate constants") Fixes: ee219b946e4b ("uapi: turn __poll_t sparse checks on by default") Fixes: 687ad0191488 ("[ARM] 3109/1: old ABI compat: syscall wrappers for ABI impedance matching") Signed-off-by: Arnd Bergmann --- arch/arm/kernel/sys_oabi-compat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index 223ee46b6e75..68112c172025 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -274,7 +274,7 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd, } struct oabi_epoll_event { - __u32 events; + __poll_t events; __u64 data; } __attribute__ ((packed,aligned(4))); -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel