From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f74.google.com (mail-io1-f74.google.com [209.85.166.74]) (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 2A0E3366 for ; Sat, 5 Apr 2025 00:10:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743811846; cv=none; b=kAx/OTc8qDbssSMzfQ8b31KlQnSGeHa4/eDQJswFkJPZsIuWW0CpBAa6zu6rvRXm59T+0kkOpqmRE5sntEiqd4M9OBocPkDGFIsaI65EyjAWxxj7YJrqPjYa5a0vIBln/gIOIMzJZLjgaXQx6/jPUI6wlh5In95L2ekkPCT/Q5g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743811846; c=relaxed/simple; bh=9OLt6CxBIy6kqbClRlpyjmlyZ3nlZBIi/b6vLEkxDsk=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=kOLmu2rWJ59IeufD0zy8KH+qiT9k8whUYpF/rYGAPePfIROB1kB6TPQa6jjmsvImvyYEZzLixWjj2wlLiqntX1zywy2Lqt/1ZSU0dC8xpW5q9BFC5jPmj+eW3PIIJCNhbP+4HiDDAd9BMf+xxb2L1nhq5Iot01VpV2g4QDAe8MY= 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=eKzy7HsR; arc=none smtp.client-ip=209.85.166.74 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="eKzy7HsR" Received: by mail-io1-f74.google.com with SMTP id ca18e2360f4ac-85dac327403so474133739f.2 for ; Fri, 04 Apr 2025 17:10:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1743811844; x=1744416644; darn=lists.linux.dev; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=2DNvYO0bTfj7X+8PQ13cmGZGTNT4dkdJknnzMC9cIXk=; b=eKzy7HsRAY39ANCv70U7Q9ABvQP8k5I4Yl4d5+Pc58H2GjeE2bL24gOxnae0qCeYrl iOXlNSfx1Q8DPC9Oii1cVccnMu/HBwWn8WyGJS6zQfixPUlJD6MBq5+c5tchde6uDMHk 4f++EWvCZ43Jxkedi8/DvGda9tdGxZfzpmAdRjUIIi3nAA5Zkkm5vgSYFrhuO+jx2mVA t1zrOXICUMV75rWUM5guxHXun1REgmK2iR6k+T0GpnFLt0mIZxAWwNR9xpT2jo6zDuc8 CrfEM20FEQCk2itn7wCRQKgqopHKWhmPi9DbU6yxJTko09W38IYBH/XdwSGOpgKZELjn bCjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1743811844; x=1744416644; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=2DNvYO0bTfj7X+8PQ13cmGZGTNT4dkdJknnzMC9cIXk=; b=oTkmFbO3LZM3PaRILtFS/CLoHEqIKAw4MDtmVJn5iWmi3NrR5rokxj91eWRecsGZaF ki1X7FaFG6LWWuF8AOQ1D9t0jXM66EKR7KkFvSRQv9Cz4j80USadUKZldsRWL0WV0oRD +QEI9m461guw2SDK6Sa6ReVRl5RNw2YO9vPEUq1ckZKvcpZ3oBEyWaf5+RyiC66UJ/vN GhLFkHhgmusjGIOXH5jHOZOkR7EvW1qBFtCkD7NEU3gcShjKir/GyA2jcywRnj3p1CvK 9Hg5arXb/qR4U0ijI1tpoet5niu8xFNthF5iG0FoWSUFRWy0on7yhrcpohBuGEp74HoZ j3Rg== X-Forwarded-Encrypted: i=1; AJvYcCXhxGVwt191hkLl2lEVNqmaXh5PIj01IZO1POhmd2i2rjw0hKencLdApz+l5uiL+w7ZL3UU3IY=@lists.linux.dev X-Gm-Message-State: AOJu0YxwCvaiueQf064ei2eK0sMqeYG3Atea+V0oimT+H/YZ7kOsoRLw JeLHMJ5gqeGPIdN0KqtKXeV9jcBXvULteb1KHoU6EH1ACoF+5tYTMyw7oeRi8HJFd5i93dLEydm S1v1QJg== X-Google-Smtp-Source: AGHT+IESzYBYMsy8TcNeSXmOCuIMcY0rfkLLxruZnkYbIer8gFLQRo6rMLnXbA8I1jN134maNpjGU7IZC4nb X-Received: from iobbk9.prod.google.com ([2002:a05:6602:4009:b0:85b:3e10:d317]) (user=rananta job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6602:3a12:b0:85d:a211:9883 with SMTP id ca18e2360f4ac-8611c3bae5bmr467620239f.10.1743811844346; Fri, 04 Apr 2025 17:10:44 -0700 (PDT) Date: Sat, 5 Apr 2025 00:10:40 +0000 Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.49.0.504.g3bcea36a83-goog Message-ID: <20250405001042.1470552-1-rananta@google.com> Subject: [PATCH v2 0/2] KVM : selftests: arm64: Explicitly set the page attrs to Inner-Shareable From: Raghavendra Rao Ananta To: Oliver Upton , Marc Zyngier Cc: Raghavendra Rao Anata , Mingwei Zhang , 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" The series fixes a conflict in memory attributes in some implementations, such as Neoverse-N3, that causes a data abort in guest EL1 with FSC 0x35 (IMPLEMENTATION DEFINED fault (Unsupported Exclusive or Atomic access)). Patch-1 is a cleanup patch that replaces numbers (and comments) to using proper macros for hardware configuration, such as registers and page-table entries. Patch-2 fixes the actual bug and sets the page attrs to Inner-Shareable by default for the VMs created in the selftests. More details are presented in the commit text. v1: https://lore.kernel.org/all/20250404220659.1312465-1-rananta@google.com/ v1 -> v2: Addressed Oliver's comments (thank you) - Moved the TCR_* macros from tools' sysreg.h to selftests' local processor.h in patch-1. - Adjsted the citations to describe the issue more appropriately in patch-2. Raghavendra Rao Ananta (2): KVM: selftests: arm64: Introduce and use hardware-definition macros KVM: selftests: arm64: Explicitly set the page attrs to Inner-Shareable .../selftests/kvm/arm64/page_fault_test.c | 2 +- .../selftests/kvm/include/arm64/processor.h | 67 +++++++++++++++++-- .../selftests/kvm/lib/arm64/processor.c | 60 ++++++++++------- 3 files changed, 96 insertions(+), 33 deletions(-) base-commit: 38fec10eb60d687e30c8c6b5420d86e8149f7557 -- 2.49.0.504.g3bcea36a83-goog