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,URIBL_BLOCKED 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 BC9FCC433E6 for ; Sat, 23 Jan 2021 14:35:48 +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 74AF42313E for ; Sat, 23 Jan 2021 14:35:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 74AF42313E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35980 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l3K0x-0000ON-DA for qemu-devel@archiver.kernel.org; Sat, 23 Jan 2021 09:35:47 -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 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= 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 X-MC-Unique: u_K3Rw9bMsya895sLzsFtQ-1 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) 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: 8bit Content-Type: text/plain; charset="US-ASCII" 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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" : "=r"(save_ctr_el0)); ^ ../util/cacheflush.c:38:24: note: use constraint modifier "w" asm volatile("mrs\t%0, ctr_el0" : "=r"(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" : "=r"(save_ctr_el0)); @@ -46,9 +46,9 @@ void flush_idcache_range(uintptr_t rx, uintptr_t rw, size_t len) { const unsigned CTR_IDC = 1u << 28; const unsigned CTR_DIC = 1u << 29; - const unsigned int ctr_el0 = save_ctr_el0; - const uintptr_t icache_lsize = 4 << extract32(ctr_el0, 0, 4); - const uintptr_t dcache_lsize = 4 << extract32(ctr_el0, 16, 4); + const uint64_t ctr_el0 = save_ctr_el0; + const uintptr_t icache_lsize = 4 << extract64(ctr_el0, 0, 4); + const uintptr_t dcache_lsize = 4 << extract64(ctr_el0, 16, 4); uintptr_t p; /* -- 2.26.2