From patchwork Tue Sep 21 01:01:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oliver Upton X-Patchwork-Id: 12506757 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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 6AE47C433F5 for ; Tue, 21 Sep 2021 02:01:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 52AA2610A8 for ; Tue, 21 Sep 2021 02:01:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241631AbhIUCCe (ORCPT ); Mon, 20 Sep 2021 22:02:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238570AbhIUB5q (ORCPT ); Mon, 20 Sep 2021 21:57:46 -0400 Received: from mail-qt1-x84a.google.com (mail-qt1-x84a.google.com [IPv6:2607:f8b0:4864:20::84a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F1B7C08EA7E for ; Mon, 20 Sep 2021 18:01:40 -0700 (PDT) Received: by mail-qt1-x84a.google.com with SMTP id r5-20020ac85e85000000b0029bd6ee5179so198822583qtx.18 for ; Mon, 20 Sep 2021 18:01:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=XqeN3hyu4xVF/UFXFp3XkUay0dLcSsRd5uf44abCA2Q=; b=HlQnSCmXttBhWRfulvS9JxQUQJlpPBD/crbVGiQ7AxEI2pbDQrmfVVS1TrWccw05Ez eCEsECHpCm917mn23DJC9oZgkSzmu3asArrLun7/xRx3hNhroie5AKTRnXBi6yxoKHoC b8GKFhPnoo+BgJywlBZdiDb/6n/3Q1mq5w/RXjJVKxT7iiB2y++xEYRtbRwzJi8A/huk FaDjs6fz5H1BJJ8DL/iyaU72EoY1d5tkHHZEoT5qdqIDOkY+8BkMvBelQfJ8mdzapsbD d/9Sj6LOnSH4Dq2uOAaFw4RaX7m0U6znUaYtajJHJWAvtiliUjl7xZwx2mdQh50WPD7E XLiQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=XqeN3hyu4xVF/UFXFp3XkUay0dLcSsRd5uf44abCA2Q=; b=Z0M/jkDC8f4nIf5ApU4bpKzgcwUU87ruLRcoYqJllLTYZWG2YfntUS5Ou/NNdOh/M/ IB4RgdoGrT+ftfVFVWgbhdcCoRYHJpz1D1OSN7NxqsWKKkldNcM4E6+/3e4zBe9cILma PmTW5WBDTNtYZ2M72HId/z5oLxfRWUJ/iHA02sbKhltBO4BsZ8hdRJ9nKQCfCMrF16Xu jjROJ3zn1a8BV9N39q+vgq/XbpbZ8ir6h+3BacYtvRP0bRoOtThciIn/DN38UrXQO8r8 /2ySJ1XXHRpBubxiAFy+vBfwWSAG7dFnTYpryCT2l1qjQk6kF1YX0nI4nK7X8iJRvAd4 AfSQ== X-Gm-Message-State: AOAM530LT52o71dvAKad/Viq5tH92d1FaJ7PtrSlyYVHY6zzyuKNAwt4 ftU204+vl7jML19U1CxvD6mXAYkm4ZYbhjaMaDIrhxno927w87L4HIS39TR/dJ3blbTHzrHwIsQ mVlx9Jij9BIH23224sLnWa7DOftid2QZzr/bSxMIELuyE/ArV1ZynvhMOyw== X-Google-Smtp-Source: ABdhPJw4f4/voRxb0xXPFNT+rq0rQnSg1TwSBIEaiOSR4mzrEZAZp1YmF5XBLZs+tg0K7NHBTbfgA7u7PCM= X-Received: from oupton.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:404]) (user=oupton job=sendgmr) by 2002:a05:6214:408:: with SMTP id z8mr19753705qvx.21.1632186099152; Mon, 20 Sep 2021 18:01:39 -0700 (PDT) Date: Tue, 21 Sep 2021 01:01:20 +0000 In-Reply-To: <20210921010120.1256762-1-oupton@google.com> Message-Id: <20210921010120.1256762-3-oupton@google.com> Mime-Version: 1.0 References: <20210921010120.1256762-1-oupton@google.com> X-Mailer: git-send-email 2.33.0.464.g1972c5931b-goog Subject: [PATCH 2/2] selftests: KVM: Fix 'asm-operand-width' warnings in steal_time.c From: Oliver Upton To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Cc: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Paolo Bonzini , Jim Mattson , Sean Christopherson , Andrew Jones , Oliver Upton Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Building steal_time.c for arm64 with clang throws the following: >> steal_time.c:130:22: error: value size does not match register size specified by the constraint and modifier [-Werror,-Wasm-operand-widths] : "=r" (ret) : "r" (func), "r" (arg) : ^ >> steal_time.c:130:34: error: value size does not match register size specified by the constraint and modifier [-Werror,-Wasm-operand-widths] : "=r" (ret) : "r" (func), "r" (arg) : ^ Silence by casting operands to 64 bits. Signed-off-by: Oliver Upton --- tools/testing/selftests/kvm/steal_time.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/steal_time.c b/tools/testing/selftests/kvm/steal_time.c index ecec30865a74..eb75b31122c5 100644 --- a/tools/testing/selftests/kvm/steal_time.c +++ b/tools/testing/selftests/kvm/steal_time.c @@ -127,7 +127,7 @@ static int64_t smccc(uint32_t func, uint32_t arg) "mov x1, %2\n" "hvc #0\n" "mov %0, x0\n" - : "=r" (ret) : "r" (func), "r" (arg) : + : "=r" (ret) : "r" ((uint64_t)func), "r" ((uint64_t)arg) : "x0", "x1", "x2", "x3"); return ret;