From nobody Thu Nov 6 05:44:01 2025 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1585854726; cv=none; d=zohomail.com; s=zohoarc; b=UMFjZ2sFELxKz4Vt1yw3qrPEUhaKTIOYE2pxSmSWlHj6GyRVGFcPhfHGZWzDrL0bqIc4nemi7dvRbZluJPW7onySse43jGiHFpU5wJyIbUCs5aoWQGN88uhI87jlnlLKG8ayYB6jR59N1XM5wO5t/y5aZtmvevqDH8Y10/iiH3c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1585854726; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=1G5bVnPSpqOFZhuC7mRGX6s1v8ile8pX/juVa9Lw3ZA=; b=RKsyfIl3PyHNw++KSKEL2sfKRtR9eodqAhOrMSmGLgp/unTA7gwBBOC2vBERphIrodDN2Z8sVFkEqa0YJ/nsA5zNyJ8S75aR8+0q+Aq6ZA6uCy9RYy5PXBV1lP6XvhTqqR8YhAg4H0A0o7ZKFq+lqSaPjmCkX/XNkq+fDKJJURc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1585854726120220.8006016474434; Thu, 2 Apr 2020 12:12:06 -0700 (PDT) Received: from localhost ([::1]:46376 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jK5G0-0002kR-RU for importer@patchew.org; Thu, 02 Apr 2020 15:12:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33826) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jK5Az-0002R9-22 for qemu-devel@nongnu.org; Thu, 02 Apr 2020 15:06:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jK5Ay-0000Kr-22 for qemu-devel@nongnu.org; Thu, 02 Apr 2020 15:06:53 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:57074 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jK5Ax-0000Kd-UY for qemu-devel@nongnu.org; Thu, 02 Apr 2020 15:06:52 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-361-sg6b8JHCOmimJr0BexzOjg-1; Thu, 02 Apr 2020 15:06:49 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 33838107ACC9; Thu, 2 Apr 2020 19:06:48 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id C6030DA0F2; Thu, 2 Apr 2020 19:06:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585854411; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1G5bVnPSpqOFZhuC7mRGX6s1v8ile8pX/juVa9Lw3ZA=; b=RjUYJQeIJXCZkSQ0PY4WNLrkrZ4IMQghupDaAg4FSKdOuZi5MYOq2V6Fion2Ib/4xceqP5 aq47wUJzNLdglaiQ34BXK6HhXAyC3O01xoQ1u4A72Hj/ve4dpro3zf3u4xyl+0ZbasVN5G UhwlM3DcJadsb9lqfguKl73VoVmeC5Q= X-MC-Unique: sg6b8JHCOmimJr0BexzOjg-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 06/15] util/bufferiszero: assign length_to_accel value for each accelerator case Date: Thu, 2 Apr 2020 15:06:31 -0400 Message-Id: <20200402190640.1693-7-pbonzini@redhat.com> In-Reply-To: <20200402190640.1693-1-pbonzini@redhat.com> References: <20200402190640.1693-1-pbonzini@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: Robert Hoo Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Robert Hoo Because in unit test, init_accel() will be called several times, each with different accelerator type. Signed-off-by: Robert Hoo Message-Id: <1585119021-46593-1-git-send-email-robert.hu@linux.intel.com> Signed-off-by: Paolo Bonzini --- util/bufferiszero.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/util/bufferiszero.c b/util/bufferiszero.c index 663903553a..b8012532e4 100644 --- a/util/bufferiszero.c +++ b/util/bufferiszero.c @@ -254,13 +254,16 @@ static void init_accel(unsigned cache) bool (*fn)(const void *, size_t) =3D buffer_zero_int; if (cache & CACHE_SSE2) { fn =3D buffer_zero_sse2; + length_to_accel =3D 64; } #ifdef CONFIG_AVX2_OPT if (cache & CACHE_SSE4) { fn =3D buffer_zero_sse4; + length_to_accel =3D 64; } if (cache & CACHE_AVX2) { fn =3D buffer_zero_avx2; + length_to_accel =3D 64; } #endif #ifdef CONFIG_AVX512F_OPT --=20 2.18.2