From patchwork Wed Oct 23 15:26:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raghavendra Rao Ananta X-Patchwork-Id: 13847283 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (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 774B61C1746 for ; Wed, 23 Oct 2024 15:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729697203; cv=none; b=uoAv1PFGFnnXjZLsRrM7zC+hIk1jUnViTZMuD1zYPt8ePodP498YOFRCuWB1g3l/g4g1j1A2ruiFXUtS3c10V8L2AtN3kCBWNpr/zfvfEXnZStymtPPDnGLUpWP2cRqdB1FCv2qXvziVlPIklY2q+OvZAPIoAnENVYNyYJLr+pQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729697203; c=relaxed/simple; bh=hHfBZftXhNOJ3HtBKDzEps5lRrh8yzrWQIEEayw2NdQ=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=ZpQbgMqVJBxxzq3FZ4EsZSrF3i/j7KsVLg6D/KnAlXnuExeRlt7Fj5/7L/+sN5X70uzNKQI+LIwW+9KJZhpCXK5TezkWoMNnSHWIBxJdAibByZy/fd91xgoa6CQLhOYAOcfjb6i2izFvbF4BVSCGI6elxr+V7Jc3IqWeZINZ+x4= 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=Rcs0hzTw; arc=none smtp.client-ip=209.85.219.202 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="Rcs0hzTw" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-e29205f6063so11045014276.1 for ; Wed, 23 Oct 2024 08:26:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1729697201; x=1730302001; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=LgyTGB3pqM8nd2tlaCQUWlInWbsb/ECPLI+TMKap3wE=; b=Rcs0hzTwmnwyurDbCMDaG1zK45Qrok/2MqdspTEH6c14pTDapHLfeUwqiWeCqKhE6D ijwNiKDGSAEYCZctaB2CaCEcJKZV5pYlk9ny77YXyi7SzKEhBkG9IApsoPtCf9cR1+vp VkGA9NtTsNgxziexKU0Wxm66Nuy4xvNdrR2Jr1NmYKjUWXXW21/bGrg5mfZ9lTVevmMs bfMhYSkL+nHmD103koZa0n+G0LbJQQSq9dP7VWmlCa6ZtOwpvH8sfcIO8IVmVTztbevz NUKA5XfJDa3ltfhr50dC93sGSYI9k4+K5mFRDIoIp+bGSHEnMHaj2HIENqYZZzxLlzhc jnAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729697201; x=1730302001; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=LgyTGB3pqM8nd2tlaCQUWlInWbsb/ECPLI+TMKap3wE=; b=h/EOMgXJC7WS75pDOTz0b6NhtdnIKeuFmRD6HqQd28LzBt5NXuh7/oePsViXjt5VLQ qrpZyk/uAYI9L6ocGztf8sv0kjXlNidyvvLVjK8me84pfQ8QYf1WPxKj3tC/eQlTGhPe +dYsOgSDavkHyafwJP6CWHrOXNDjrNBoj6vEJTFszLv0FcsXSvV0iJEtHRxv7CQgp54B vHckRCBiiDKh+5jRTo0JEts52NCLRJYa0osYh/cIjtgBJ0gtv7gMtAWx4wEkKhzCgVLm ZA8KKQVHNcVN5rol2lHV61aprpFNOz2U1FaJTn0JGt9emXz05jV9JidJTZ1LRsK7+nQL dBxg== X-Forwarded-Encrypted: i=1; AJvYcCXrdUO4MRoDa3QyjMK7pvDedud4d5lrwOaDT6/LXe7jkCPYfKuqAmD0q4jVubiR0hDFoUU=@vger.kernel.org X-Gm-Message-State: AOJu0YzqWib1jGaD18zoMpxvingj0AC0vojUhP+GScntS2AZfBwK577b 6TyrDtqMzPh7QcE9giuN9hqFZ3iwP4o3QdXnbcweP57eL+BF3PjNOPuVTVjCHbZwvg0Heuh9KEF qFNEQng== X-Google-Smtp-Source: AGHT+IGZLylUFfRaeoUChkh5zta51HqScos57+PeLEawa/Zj6Vb0Z2er1q5qfJlHjZXBZG3OR/irola46j3M X-Received: from rananta-linux.c.googlers.com ([fda3:e722:ac3:cc00:11b:3898:ac11:fac1]) (user=rananta job=sendgmr) by 2002:a25:b21f:0:b0:e2b:d28f:bf28 with SMTP id 3f1490d57ef6-e2e3a5fa7a4mr5506276.2.1729697201237; Wed, 23 Oct 2024 08:26:41 -0700 (PDT) Date: Wed, 23 Oct 2024 15:26:34 +0000 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.47.0.105.g07ac214952-goog Message-ID: <20241023152638.3317648-1-rananta@google.com> Subject: [kvm-unit-tests PATCH v2 0/4] Fix arm64 clang errors on fpu tests 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 When compiled with clang for arm64, some build errors were observed along the fpu code. Moreover, data aborts were seen while running the arm/fpu test due to misconfigured input/output args in the inline assembly. The series tries to address these issues. v2: - Fix build errors for newer clang versions that push 'q' registers out of scope under '-mgeneral-regs-only'. (Andrew) v1: https://lore.kernel.org/all/20241022004710.1888067-1-rananta@google.com/ - Raghavendra Raghavendra Rao Ananta (4): arm: Fix clang error in sve_vl() arm: fpu: Convert 'q' registers to 'v' to satisfy clang arm: fpu: Add '.arch_extension fp' to fpu macros arm: fpu: Fix the input/output args for inline asm in fpu.c arm/fpu.c | 52 ++++++++++++++++++++------------------- lib/arm64/asm/processor.h | 2 +- 2 files changed, 28 insertions(+), 26 deletions(-) base-commit: f246b16099478a916eab37b9bd1eb07c743a67d5