From nobody Tue Feb 10 03:15:58 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; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1611412553; cv=none; d=zohomail.com; s=zohoarc; b=OsWbcDtGhldsXlEFDYKIusm9OP3yLNv7myOBdoalRfPJYpz16zDOBGDUrRCmf9JnI4tQi7B6gI099CLbtwjpn/K6ZjDXLccDXT6tAJMvnjJVAr9nOSkGgqnok87W820FCefrjvwi/oQ1fB5TaEMVPRwk9iCC54f0LGaOdtqi+JU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1611412553; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=BxoGIk8xTOBxJOTCRa3sgoCS9Ta1qEpqieJilie/veQ=; b=UKLtjMJR50jRbkhd6oWuGYHQJ1tpMeulaqJnmmWBpEj9Ed5JhZuXRMgb5EcFhDBfbzeH89ixRM5rtBUckHpAsYhAf+iQ5zbj+wEd54uZExwKqhNrX8i/IQ09emakM0YqLyYxLayL1iyxqH0uuTeSDlwOn3lvk9Ix59gE+d17Lms= ARC-Authentication-Results: i=1; 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; dmarc=fail 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 1611412553484603.4895563658409; Sat, 23 Jan 2021 06:35:53 -0800 (PST) Received: from localhost ([::1]:35980 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l3K12-0000ON-DR for importer@patchew.org; Sat, 23 Jan 2021 09:35:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35134) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l3Jx5-0003TW-71 for qemu-devel@nongnu.org; Sat, 23 Jan 2021 09:31:47 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:30707) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l3Jwt-0005nJ-P6 for qemu-devel@nongnu.org; Sat, 23 Jan 2021 09:31:46 -0500 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-229-u_K3Rw9bMsya895sLzsFtQ-1; Sat, 23 Jan 2021 09:31:33 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EB42C1005504; Sat, 23 Jan 2021 14:31:31 +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 482BF5D9CC; Sat, 23 Jan 2021 14:31:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611412295; 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=BxoGIk8xTOBxJOTCRa3sgoCS9Ta1qEpqieJilie/veQ=; b=ZH40QYQdKvtZhBa0/Mn/dT8twv6JozBcnKoY9qG63W3F/n/cQmchOkfYWfWHm1TMnOftIp FYlUuw1VzsgDjnA6kd8ESPLhLyfPWlAPd+H63rVnC2s5giIRiIa/Iu+LpeAJBsmEzbK81/ 43FiafBA6vKDhlBJ/kGxgGOdhuQiQ44= X-MC-Unique: u_K3Rw9bMsya895sLzsFtQ-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 05/31] util/cacheflush: Fix error generated by clang Date: Sat, 23 Jan 2021 09:31:02 -0500 Message-Id: <20210123143128.1167797-6-pbonzini@redhat.com> In-Reply-To: <20210123143128.1167797-1-pbonzini@redhat.com> References: <20210123143128.1167797-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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=216.205.24.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.165, 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_H3=0.001, RCVD_IN_MSPIKE_WL=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: Richard Henderson , Gan Qixin , Euler Robot Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Gan Qixin When compiling qemu-fuzz-i386 on aarch64 host, clang reported the following error: ../util/cacheflush.c:38:44: error: value size does not match register size specified by the constraint and modifier [-Werror,-Wasm-operand-widths] asm volatile("mrs\t%0, ctr_el0" : "=3Dr"(save_ctr_el0)); ^ ../util/cacheflush.c:38:24: note: use constraint modifier "w" asm volatile("mrs\t%0, ctr_el0" : "=3Dr"(save_ctr_el0)); ^~ %w0 Modify the type of save_ctr_el0 to uint64_t to fix it. Reported-by: Euler Robot Signed-off-by: Gan Qixin Message-Id: <20210115075656.717957-1-ganqixin@huawei.com> Signed-off-by: Paolo Bonzini Reviewed-by: Richard Henderson --- util/cacheflush.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/util/cacheflush.c b/util/cacheflush.c index 6a20723902..933355b0c9 100644 --- a/util/cacheflush.c +++ b/util/cacheflush.c @@ -32,7 +32,7 @@ void flush_idcache_range(uintptr_t rx, uintptr_t rw, size= _t len) * We want to save the whole contents of CTR_EL0, so that we * have more than the linesize, but also IDC and DIC. */ -static unsigned int save_ctr_el0; +static uint64_t save_ctr_el0; static void __attribute__((constructor)) init_ctr_el0(void) { asm volatile("mrs\t%0, ctr_el0" : "=3Dr"(save_ctr_el0)); @@ -46,9 +46,9 @@ void flush_idcache_range(uintptr_t rx, uintptr_t rw, size= _t len) { const unsigned CTR_IDC =3D 1u << 28; const unsigned CTR_DIC =3D 1u << 29; - const unsigned int ctr_el0 =3D save_ctr_el0; - const uintptr_t icache_lsize =3D 4 << extract32(ctr_el0, 0, 4); - const uintptr_t dcache_lsize =3D 4 << extract32(ctr_el0, 16, 4); + const uint64_t ctr_el0 =3D save_ctr_el0; + const uintptr_t icache_lsize =3D 4 << extract64(ctr_el0, 0, 4); + const uintptr_t dcache_lsize =3D 4 << extract64(ctr_el0, 16, 4); uintptr_t p; =20 /* --=20 2.26.2