From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53ACF3C463 for ; Tue, 22 Oct 2024 00:47:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729558040; cv=none; b=A1xzmGnsbmA3kAz9CKbA+XhgKZqHj/5sb3QBrFbDu76itpFf2tullwJyWteYu9blHBGERbG+bXVFtfgH1W9/6SYY+rQSggwFdcK45iqYfE8t5QoDlnLFzi2+qiBimXOsiDYe4QvdsgM7Xr0NKid9meO2GP1T1eNKoYaUEMnc7rM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729558040; c=relaxed/simple; bh=esQoNZuXsR24jwPl1DfQPAsmfQfBH1AfjOxCgQQxj50=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=K9Tmb+vK17WFYVmZ2g7xmUyj8MHd8LyJAnB612qJex1jz7Lp4lEcEvCQzSCuTvHxf8ltRxZcZRPmczvnKo56eGvGzgoWFqFsHXt/Rjua4Ff1J12Y3Pj8s83Mqv99tYhkgq6XC4A79bD9GYTads68dxa2HYS35W4ETxGXsgqvelE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--rananta.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=gdOfQnzR; arc=none smtp.client-ip=209.85.219.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--rananta.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="gdOfQnzR" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-e2605ce4276so9149126276.3 for ; Mon, 21 Oct 2024 17:47:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1729558037; x=1730162837; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=eTpDcLprhbUi5YHe62ZQ4u0o+/QxbhbJTnRiVU+yROI=; b=gdOfQnzRyc+qIF0l1e8clSNIzaKjBoXvCuKBfzWUavk4amdVCtwZy0ctvMLhGGOBHK 3DVhK/ZnYPKb3mpMRP5VhR8RM5Zvllhap7Ln7S5doJpepk9Y+PKi/0h7mzTjXFgS6mpe AnDEjW/f/ZXyttl2kgj+3rtSU8auEOIdGfRLomLAeaoZjzcQOPS/OTeZFJMmbgDcvUMw IXxKF5QjIsHOMf5uwwkL/rDVIRWTagmgfqbgjyCA+CsLw5iSOzn+qIQjHSmG5/qX73yc iVJ+n3PHPw4+UwwZL9YXhgrdc4tmaWU0G++1huADeyhPs3t4cWCRf+rfnQdeG7jGQfy+ F1Kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729558037; x=1730162837; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=eTpDcLprhbUi5YHe62ZQ4u0o+/QxbhbJTnRiVU+yROI=; b=daqyjqrcgHdWCTrqfWzatFXQrUmdsCGAA+8X70XJLYbhIQUJb8WacY8pCXZlyJkEEf aI+Ix1m32eCyFpao5BGLpl6uii5ZFGGGQ8JwGz44wCrgJXQRAV84c8cqHE7tSVywmW6l bS/t4lhxqMYERFRm/RqMrFOPxR5I/oLQJ/FaPItPCSmUxeHTYuk6F0PIZOjxHGd76Bvm zecq24rfyHzpIC9cxU7G6eDSlF+EDw1JHXGxpu78ahOgxWelOZaznzlK20dBHKPL2VaX /wVzWMcbZh+DPpd0Oz+Fj1XLJjjLKHo9ZnZIvZ90LNfyqfWWeX2ipKW9GSVUbZtnvl6x etkg== X-Forwarded-Encrypted: i=1; AJvYcCVgmgb24BcuzfJcbMzV4X/jMVQNCz6/Z/vH+nvUlNT6rixSqBm11nxlrd1SAcR09YqQJ7+49K8=@lists.linux.dev X-Gm-Message-State: AOJu0YyBaiIlLhwV0I7dAxfGjiH3DmRpu6TOXbzhSXdNN91Ib8Zg62Lp PWcSEkjdsgonI/4wib8TVfb2cGzkStnnR0FzsvLAgrkrpZinYXPaN7qDXBlD6TtruEVbTQkBSju f80ppwQ== X-Google-Smtp-Source: AGHT+IFHeu+s/6VJ8LwG/ln9c8VqGvj+9fWSI0sc1LDHdzQR9YS0qXRVl8XWuhvxBjalS3fnwkBU6xUhXVdb X-Received: from rananta-linux.c.googlers.com ([fda3:e722:ac3:cc00:11b:3898:ac11:fac1]) (user=rananta job=sendgmr) by 2002:a05:6902:1807:b0:e29:7454:a4da with SMTP id 3f1490d57ef6-e2bb12ed271mr8273276.4.1729558037283; Mon, 21 Oct 2024 17:47:17 -0700 (PDT) Date: Tue, 22 Oct 2024 00:47:08 +0000 In-Reply-To: <20241022004710.1888067-1-rananta@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241022004710.1888067-1-rananta@google.com> X-Mailer: git-send-email 2.47.0.105.g07ac214952-goog Message-ID: <20241022004710.1888067-2-rananta@google.com> Subject: [kvm-unit-tests PATCH 1/3] arm: Fix clang error in sve_vl() From: Raghavendra Rao Ananta To: Subhasish Ghosh , Joey Gouly , Andrew Jones Cc: Oliver Upton , Marc Zyngier , Raghavendra Rao Anata , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Fix the following clang error in sve_vl(): In file included from arm/selftest.c:16: kvm-unit-tests/lib/asm/processor.h:163:16: error: value size does not match register size specified by the constraint and modifier [-Werror,-Wasm-operand-widths] : "=r" (vl)); ^ kvm-unit-tests/lib/asm/processor.h:162:14: note: use constraint modifier "w" "rdvl %0, #8" ^~ %w0 1 error generated. Fixes: d47d370c8f ("arm: Add test for FPU/SIMD context save/restore") Signed-off-by: Raghavendra Rao Ananta --- lib/arm64/asm/processor.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/arm64/asm/processor.h b/lib/arm64/asm/processor.h index b28d41fd..e261e74d 100644 --- a/lib/arm64/asm/processor.h +++ b/lib/arm64/asm/processor.h @@ -159,7 +159,7 @@ static inline int sve_vl(void) int vl; asm volatile(".arch_extension sve\n" - "rdvl %0, #8" + "rdvl %w0, #8" : "=r" (vl)); return vl; -- 2.47.0.105.g07ac214952-goog