From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 086AA340298 for ; Mon, 23 Mar 2026 13:03:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774271011; cv=none; b=SPPZlQLRZVWWlb3BEucgGw0pjmiPlZT2XG4XYgakvtAOenhxr87lZIqNEFDIlqd/r2kEqqUBnChN8UhCyY12PQzkwfret1qnng55LORXZhTj/kvqyVJktAVRHaa26k9cWsncPJHAWbFqma8+cciefaWK0rY/BcnekLC6rKZ2VsE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774271011; c=relaxed/simple; bh=qfZje1NhQ/f7v/QIvEydV9lvfS/QN8tjbTjDXipWYIw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=KK9L6iGGJEag7PZ5hdVJW61gIaoeB4vzL/WU9LjqL2QirJHOM7CEaqyrrtHNQcc6VHeJd/f0twu1hXo+Gw91U4QXk7PcTQgryP2fRSqhCwEfCRdDE69PNLQS6Yo0qH2iW5AFykVM/EDKMX0CiRCs3AjPcDU4jdhBCYSOjC5zGyw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2EF7E14BF; Mon, 23 Mar 2026 06:03:23 -0700 (PDT) Received: from e125769.cambridge.arm.com (e125769.cambridge.arm.com [10.1.196.27]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8CE7F3F885; Mon, 23 Mar 2026 06:03:27 -0700 (PDT) From: Ryan Roberts To: Catalin Marinas , Will Deacon , "David Hildenbrand (Arm)" , Dev Jain , Yang Shi , Suzuki K Poulose , Jinjiang Tu , Kevin Brodsky Cc: Ryan Roberts , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 0/3] Fix bugs for realm guest plus BBML2_NOABORT Date: Mon, 23 Mar 2026 13:03:12 +0000 Message-ID: <20260323130317.1737522-1-ryan.roberts@arm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi All, This fixes a couple of bugs in the "large block mappings for linear map when we have BBML2_NOABORT" feature when used in conjunction with a CCA realm guest. While investigating I found and fixed some more general issues too. See commit logs for full explanations. Applies on top of v7.0-rc4. Thanks, Ryan Ryan Roberts (3): arm64: mm: Fix rodata=full block mapping support for realm guests arm64: mm: Handle invalid large leaf mappings correctly arm64: mm: Remove pmd_sect() and pud_sect() arch/arm64/include/asm/pgtable.h | 5 --- arch/arm64/mm/init.c | 9 +++++- arch/arm64/mm/mmu.c | 53 ++++++++++++++++++++++---------- arch/arm64/mm/pageattr.c | 50 +++++++++++++++++------------- 4 files changed, 72 insertions(+), 45 deletions(-) -- 2.43.0