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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 E3F99C4338F for ; Mon, 23 Aug 2021 16:11:31 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 A99AE6124D for ; Mon, 23 Aug 2021 16:11:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A99AE6124D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:44920 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mICXq-00075S-Q8 for qemu-devel@archiver.kernel.org; Mon, 23 Aug 2021 12:11:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41806) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mICTT-0007iI-Mx for qemu-devel@nongnu.org; Mon, 23 Aug 2021 12:07:00 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:57178) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mICTR-0000EJ-S9 for qemu-devel@nongnu.org; Mon, 23 Aug 2021 12:06:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1629734817; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZK4ROJZ0pGE5cDcdV6LxkQKwph4f2pa5k450CDwBwwE=; b=blbFgInbKl8Yh7ZgGThLAMyLK7JGCpejaRC1RzV5a9QTtUIKzjVxhaJMBnjj8aCAwIBVJ3 d8SDJ8IHnZi4iVwh5IPxMpN9N+kBgsbBvmdCVEFscMNgxoimhZmp2TMU5nK4tYpKhI+ByE aqQz2/+wlYhAU89tNky6g79q4aqDzL0= 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-583-wOBMuMJaNi-g4nDqXGRi6A-1; Mon, 23 Aug 2021 12:06:56 -0400 X-MC-Unique: wOBMuMJaNi-g4nDqXGRi6A-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 020A03E741; Mon, 23 Aug 2021 16:06:55 +0000 (UTC) Received: from gator.redhat.com (unknown [10.40.194.250]) by smtp.corp.redhat.com (Postfix) with ESMTP id 08F7560CC9; Mon, 23 Aug 2021 16:06:52 +0000 (UTC) From: Andrew Jones To: qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: [PATCH v2 2/4] target/arm/kvm64: Ensure sve vls map is completely clear Date: Mon, 23 Aug 2021 18:06:45 +0200 Message-Id: <20210823160647.34028-3-drjones@redhat.com> In-Reply-To: <20210823160647.34028-1-drjones@redhat.com> References: <20210823160647.34028-1-drjones@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=drjones@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=drjones@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) DKIMWL_WL_HIGH=-0.743, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: peter.maydell@linaro.org, richard.henderson@linaro.org, ishii.shuuichir@fujitsu.com, philmd@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" bitmap_clear() only clears the given range. While the given range should be sufficient in this case we might as well be 100% sure all bits are zeroed by using bitmap_zero(). Signed-off-by: Andrew Jones Reviewed-by: Philippe Mathieu-Daudé --- target/arm/kvm64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c index 59982d470d37..e790d6c9a573 100644 --- a/target/arm/kvm64.c +++ b/target/arm/kvm64.c @@ -740,7 +740,7 @@ void kvm_arm_sve_get_vls(CPUState *cs, unsigned long *map) uint32_t vq = 0; int i, j; - bitmap_clear(map, 0, ARM_MAX_VQ); + bitmap_zero(map, ARM_MAX_VQ); /* * KVM ensures all host CPUs support the same set of vector lengths. -- 2.31.1