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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 C7B9BC43331 for ; Sun, 10 Nov 2019 03:07:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9A67D21848 for ; Sun, 10 Nov 2019 03:07:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573355223; bh=Nie5KcE/bv2R3qZeKePgfZiKNZdaUTRXVrjT3s8MwA0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vHdxK7OHegUY/ToH2Bbm8HmcQCgTHa+2IkpX1kXTDt5arz6LPfz3G8BHiExr60WEM FP8YHPJTj+Imr4/9kdRzg9Qd0RsBK0joIo3mHuz3krwh/whIXO1HCl0h/stOLXJIYu Eqc4JHMchsa/ucZAEFWpkJ/zB7uhcIpkrg2wRNRs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728571AbfKJDHB (ORCPT ); Sat, 9 Nov 2019 22:07:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:47326 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728842AbfKJCpd (ORCPT ); Sat, 9 Nov 2019 21:45:33 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BC00E222C5; Sun, 10 Nov 2019 02:45:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573353932; bh=Nie5KcE/bv2R3qZeKePgfZiKNZdaUTRXVrjT3s8MwA0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b/pkp0kj6GBgBPLgSBOuI2iDtreyu+i1Q9mRnSBHwscw0EllssZ4EbehiWEacEEdV H42VzEPuhsUkwfX8qY/OgxDcc9nPB3Ae55JloKfBopO0cBfLvxz2rmsoEM+uU0ycO1 8B/S+EJ5mrW/IIwMn1rfC0Kg7FD5jAvhEx+FUCUo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Qian Cai , "Prakhya, Sai Praneeth" , Ard Biesheuvel , Sasha Levin , linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 191/191] x86/efi: fix a -Wtype-limits compilation warning Date: Sat, 9 Nov 2019 21:40:13 -0500 Message-Id: <20191110024013.29782-191-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191110024013.29782-1-sashal@kernel.org> References: <20191110024013.29782-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qian Cai [ Upstream commit 919aef44d73d5d0c04213cb1bc31149cc074e65e ] Compiling a kernel with W=1 generates this warning, arch/x86/platform/efi/quirks.c:731:16: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] Fixes: 3425d934fc03 ("efi/x86: Handle page faults occurring while running ...") Signed-off-by: Qian Cai Acked-by: "Prakhya, Sai Praneeth" Signed-off-by: Ard Biesheuvel Signed-off-by: Sasha Levin --- arch/x86/platform/efi/quirks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 669babcaf245a..c75d5ba732f18 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -684,7 +684,7 @@ void efi_recover_from_page_fault(unsigned long phys_addr) * Address range 0x0000 - 0x0fff is always mapped in the efi_pgd, so * page faulting on these addresses isn't expected. */ - if (phys_addr >= 0x0000 && phys_addr <= 0x0fff) + if (phys_addr <= 0x0fff) return; /* -- 2.20.1