From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) (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 430C32236E0 for ; Wed, 3 Jun 2026 11:05:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780484732; cv=none; b=mAu+CBvmczmaNsEM4wV+9cIaUv7m72LU4cSx7Byq40ZLgpKPnxnI5xoanFbciN+/sAxt2cl5ay8RgVvcTDH99HZ7FeS7C90niMtjkQmcCXS5oFjq+VKV8ONxXBDi1YZ/G6QC4N4cxJi0GaEyEVbZja3tqh2v8BTpVRzg/wLP4nI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780484732; c=relaxed/simple; bh=fAmwkqjGylAuGL+UP3CTzpr+R/mdM7AY0NHIKX8JUnw=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=QQV9yzysTeGPW2YTtpKHCn+How4UaWUPaUCxuT0c4nLIEvHIYWmQ+/+PRqlun8pbb2G7iohOEdPDtHkWQD5P8+0RnAGXBjrLm0EAxKlZ1Wi3KGqmA8x3vb58ODfdJZfwqhhAewTZ83RcBOXeX41G1nNZ9qfhcniMRzVVefx7Pbo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--smostafa.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=d46mWKuF; arc=none smtp.client-ip=209.85.128.74 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--smostafa.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="d46mWKuF" Received: by mail-wm1-f74.google.com with SMTP id 5b1f17b1804b1-4908af8d7f9so56459075e9.1 for ; Wed, 03 Jun 2026 04:05:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1780484729; x=1781089529; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=s2JIhr6kqeQn6ELJOtjE/E16B/iQOXIXCDrOzxfZKEc=; b=d46mWKuFqyNrfnUoqadsHFBUC0rHbJ4KsTt5LR3D48w/f8ZPl9KmbIBo//HyypQ6g+ /uZAtZbldjt8VeywSZ9wAbMp29KPxCPdw859S+wNUjPsfR80vN5oLRuFoKPQEbhn0ZxD JY6pbiJ0pVGq3w8Tpu6eZFXEkJq0UlJLBpDHGlm0QXkPb8xqjaxWkyps3Isw2I+LQF59 5wJB7Fqh+LS179zGdX2HaQJdg1M28Up3lFQwF+vpAwR4vSlLUlABbYKmbeCjNf0KIb5f 0PVeIP5GvEosLJXlOiQE22E6VfqjmAUaZFD5hdan5s6alu84NH5qALNa4Oy92oyTo9ya R+KQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780484729; x=1781089529; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=s2JIhr6kqeQn6ELJOtjE/E16B/iQOXIXCDrOzxfZKEc=; b=TDcH5Jtg0/4HOan1/h6GcrOosPoyhHoFCS9v+5TH8aYILnC1f4WiIqDHmuqWwnx8NJ FB7OJ22yhvAT6fpGfYhBtYRszcJ6kvnAmVQYb+AwHUzZ4bq+kuhaO+smpWJejpqanzd6 P/XQflzLxTh5B2BWKzI3lBj4dO6JQTydxNC6MNROAH7g4nvAV+zHoo/mEuLvEZlLuZqZ PN12QgRe07a7T+M6aRNTVzG1S1gRnjpZ0OAsLzO+5fmXefNfYeHXFhBeX1Hj+DhbvY8U 1yGc7oKAa7OFDJPwzqEkebmGo2Mh1+eFWDjbmeO5DzNtC6UX3B/vcMcEVi3tljag79Gx Iibg== X-Forwarded-Encrypted: i=1; AFNElJ+rj7e0R3oM2nhDYvWAhYoX7PhMURdihexFsW1UiK3cI7ViTIR31bBMEhrt1s6RfoUXLiklBfTxJkt4u/8=@vger.kernel.org X-Gm-Message-State: AOJu0YxxEOv/TX8yWTpv6DXtLaMLGZlwqkhMkbrPYh01pn92FlkOOHES HPGeuyl5y/40U9wBgNe+W0F4zlojogwH2KS/p2xjR5q+Rg9L0PWlOg1Z3giV/6IGOxzigmoU5Qx lDDWMomcrijti1A== X-Received: from wmbjd23.prod.google.com ([2002:a05:600c:68d7:b0:490:af61:3390]) (user=smostafa job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:8a16:20b0:490:6869:7d8b with SMTP id 5b1f17b1804b1-490b5e8f064mr34662755e9.15.1780484729649; Wed, 03 Jun 2026 04:05:29 -0700 (PDT) Date: Wed, 3 Jun 2026 11:05:19 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.54.0.1032.g2f8565e1d1-goog Message-ID: <20260603110522.3331819-1-smostafa@google.com> Subject: [PATCH 0/3] arm64/coco: Convert pKVM to a CC platform From: Mostafa Saleh To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, catalin.marinas@arm.com, will@kernel.org, rppt@kernel.org, maz@kernel.org, aneesh.kumar@kernel.org, Mostafa Saleh Content-Type: text/plain; charset="UTF-8" The goal of series is to convert pKVM as a CC platform similar to ARM CCA, that makes CC guests consistently discovered which avoid breaking it by the ongoing DMA rework [1] The first patch is a minor clean up I noticed while reading the code. And the second patch is a bug fix found by Sashiko. The third patch is the main one. [1]https://lore.kernel.org/all/20260522042815.370873-1-aneesh.kumar@kernel.org/ Mostafa Saleh (3): arm64/mm: Simplify SWIOTLB setup in arch_mm_preinit() drivers/virt: pkvm: Fix end calculation in mmio_guard_ioremap_hook() arm64/coco: Add pKVM as a CC platform arch/arm64/include/asm/hypervisor.h | 13 ++++++++++ arch/arm64/include/asm/mem_encrypt.h | 3 ++- arch/arm64/kernel/rsi.c | 12 --------- arch/arm64/mm/init.c | 26 +++++++++++++------ drivers/virt/coco/pkvm-guest/arm-pkvm-guest.c | 5 +++- 5 files changed, 37 insertions(+), 22 deletions(-) -- 2.54.0.1032.g2f8565e1d1-goog