From nobody Tue Feb 10 01:30:42 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1632980870155665.1031232384955; Wed, 29 Sep 2021 22:47:50 -0700 (PDT) Received: from localhost ([::1]:50688 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVov6-0004DP-Q5 for importer@patchew.org; Thu, 30 Sep 2021 01:47:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47196) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVos3-0000tl-1d; Thu, 30 Sep 2021 01:44:39 -0400 Received: from gandalf.ozlabs.org ([2404:9400:2:0:216:3eff:fee2:21ea]:55239) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVorz-0003LJ-QN; Thu, 30 Sep 2021 01:44:38 -0400 Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4HKhyR0BS4z4xbT; Thu, 30 Sep 2021 15:44:31 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=201602; t=1632980671; bh=GuOUZTZB00KWv24pZwWdyBYnJfTSSVmOcNmrtpiDiEU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O1eXB/U6bak9BpGIf83wDIVw2X0/HOaCxYuAPsbhHCn/EnZ+Vlo7ANKwmWNGRXOGE 06kP7JvZPlcBOmjQ/zllT6lOZnZ3MwY085NHWTIyEQDGAi3Fm0lVQ5ughHTUKDJ62F BWFzqFQBW2UB9IqVBo5zAFa0xuxONr0rQXZhe0Gc= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 04/44] i386/kvm: Replace abs64() with uabs64() from host-utils Date: Thu, 30 Sep 2021 15:43:46 +1000 Message-Id: <20210930054426.357344-5-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210930054426.357344-1-david@gibson.dropbear.id.au> References: <20210930054426.357344-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2404:9400:2:0:216:3eff:fee2:21ea; envelope-from=dgibson@gandalf.ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , Richard Henderson , mark.cave-ayland@ilande.co.uk, qemu-devel@nongnu.org, groug@kaod.org, Luis Pires , hpoussin@reactos.org, clg@kaod.org, qemu-ppc@nongnu.org, philmd@redhat.com, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1632980872256100003 Content-Type: text/plain; charset="utf-8" From: Luis Pires Drop abs64() and use uabs64() from host-utils, which avoids an undefined behavior when taking abs of the most negative value. Signed-off-by: Luis Pires Reviewed-by: Richard Henderson Reviewed-by: Eduardo Habkost Message-Id: <20210910112624.72748-5-luis.pires@eldorado.org.br> Signed-off-by: David Gibson --- hw/i386/kvm/i8254.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/hw/i386/kvm/i8254.c b/hw/i386/kvm/i8254.c index fa68669e8a..191a26fa57 100644 --- a/hw/i386/kvm/i8254.c +++ b/hw/i386/kvm/i8254.c @@ -59,11 +59,6 @@ struct KVMPITClass { DeviceRealize parent_realize; }; =20 -static int64_t abs64(int64_t v) -{ - return v < 0 ? -v : v; -} - static void kvm_pit_update_clock_offset(KVMPITState *s) { int64_t offset, clock_offset; @@ -81,7 +76,7 @@ static void kvm_pit_update_clock_offset(KVMPITState *s) clock_gettime(CLOCK_MONOTONIC, &ts); offset -=3D ts.tv_nsec; offset -=3D (int64_t)ts.tv_sec * 1000000000; - if (abs64(offset) < abs64(clock_offset)) { + if (uabs64(offset) < uabs64(clock_offset)) { clock_offset =3D offset; } } --=20 2.31.1