From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35A2B21930F for ; Wed, 26 Feb 2025 13:23:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740576184; cv=none; b=ApU0okvoYqeBcjO0LD2jMAjOymDBDv3glFRw+LzAiMNN+uVf7Df8364MPr1Zf3dZMwFLVEeLZcP85oxAtT5H8z0itg82hg13IIXJ0KXeBSsldsqup+nM9P5p9etiscJ23MYF1HzcFiam97IiVUy8q6w5IEQyyoBoQq9RgA+N5JA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740576184; c=relaxed/simple; bh=tLkaQa4cfAIJbGo+O9NomPzt44NtjxVBQYhijZ1Y1JU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=qYpKTZy4HoHr+XOilqWbga2tyaKI3SMOqZSx49l1CbDNNW4ihedv09fNjaS9AEJqSeDhOu6Y05p7PdxolvUvHv4Ku49o0RyZ9Rk9SszVkLjZ/KwJ2XKa9G6cCPDAq62EUn22iraDiTpAjRnoFd05b/0uK1095KLYZQBcoLZpHgY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=R/59mtJJ; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="R/59mtJJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740576182; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=0KIzQ88nSJEUkvPD/1MUYrSo7xR/JdvqjXJ/Jvu0wOc=; b=R/59mtJJm8QmOXaE7ucfwTPC9VJpYCS2wiKTc31nu0n/MNKCwdcB11NbArHjvg/8xhVypC OAleIpg/vLPYIKWdT63NXJfSo3hf0NE0fnNKfOmkXJqDbcDU4/hCW1clAHflu+ru7Owv9R U2pUV8kZX3h0MT1+14ruhL/VBK3oB/U= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-641-zoZleFxePzCBl9WYWsNksw-1; Wed, 26 Feb 2025 08:23:00 -0500 X-MC-Unique: zoZleFxePzCBl9WYWsNksw-1 X-Mimecast-MFC-AGG-ID: zoZleFxePzCBl9WYWsNksw_1740576180 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-4399a5afc72so34377755e9.3 for ; Wed, 26 Feb 2025 05:23:00 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740576179; x=1741180979; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=0KIzQ88nSJEUkvPD/1MUYrSo7xR/JdvqjXJ/Jvu0wOc=; b=KAAiWVpnhz5JljDYohQyAZCYGjscD/gR/FjHCHTattH4Bogr+XqrgoU1QPeC+IFq/L G3/qHv5jswuWuPJQ/ClR50CdUiHi5qvn+YXngBtrwmkwqEi6XJkuZEhX13eQDRu4usc+ l+jpC8yb+BG4A7aBZ0zudjKCfE/egIKGJpAytuchktbJ/o068ZdaTfqIxwE/jajw5yiH 27s6/HWISo+dBoitNGNU6VaTZ3TfSxefa6QzBCc64+R2Sx2exsCyEnsj4WkGrXh5WezZ AgZbM5Ugk2MSJ3FIMVLnYo0hJx0dpcN7G85+7SwNo9lwFFoT3p0/iHXgY4KWdxU1AmdZ alTg== X-Gm-Message-State: AOJu0YyyzO2h3BfUG7JESTbXoGBofRT7HTueYzK2zDYcetQ7Ps43RRdS 10HhpwZqT7lHQHVYqoq4A9f5TWdYanEnJfpfk3WE7IP1OjngJSebzFyc7UFEO9mR2jvfo4HZqJA NRBni6HVVK5IFBu5vC3130XHUkvZ7BVQ7DS1XtrHEzBJEkodeeb1hsZpVhvKIuwx7eCMF7J/GFs 28MA1KO5gNHQXAhSyTBrBC/hnECCC3tbj5rIj33ZNZoHUY X-Gm-Gg: ASbGnctG82yY9n1Y1/G+eDVeQbclpMxGVrReioVdGU+gMXhgcGDMFqKcjq+A5L+6OwQ HZeAfZx/Wlqxm7wuAS1ZLjOJH8NEqGD1dN11w0wFkzDFpVHLAhp8tzYAVW9buiCqaM7yMuvv8+9 jXJWSsbgmqhzj44NpXK8dYZUUieQqT3cZcElMZ396G/CVgZo3kGy1EMnkKyD3lHI029BvjFJtAz ZBwxmXwhzH0CBcdIdDnXUtDL8R8P0BNkWXA2pPqQSZWW0Juqk3ojIUiOuIkWjs+n9WdhrwxnDJ9 7VEElclMiSQX8Au99b1aSQnwDWf8hwWJGFXpgGGQ4tbwEWPMsZ2nk+GrsVdgGfdD+1+zcm5Nv4e 3 X-Received: by 2002:a05:600c:1547:b0:439:884c:96ae with SMTP id 5b1f17b1804b1-439aebda78fmr163974925e9.27.1740576179649; Wed, 26 Feb 2025 05:22:59 -0800 (PST) X-Google-Smtp-Source: AGHT+IEYmafSYOsvhjIUXUgOdRtbAha8lg9dhbnpxUsrIq8hUAH0/uonO6MpAq39RzjuvyC9SSC1fA== X-Received: by 2002:a05:600c:1547:b0:439:884c:96ae with SMTP id 5b1f17b1804b1-439aebda78fmr163974685e9.27.1740576179160; Wed, 26 Feb 2025 05:22:59 -0800 (PST) Received: from localhost (p200300cbc747ff009d854afba7df6c45.dip0.t-ipconnect.de. [2003:cb:c747:ff00:9d85:4afb:a7df:6c45]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-43aba532c32sm21210325e9.11.2025.02.26.05.22.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Feb 2025 05:22:58 -0800 (PST) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Andrew Morton , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Simona Vetter , Alistair Popple , Jason Gunthorpe Subject: [PATCH v2 0/5] mm: cleanups for device-exclusive entries (hmm) Date: Wed, 26 Feb 2025 14:22:52 +0100 Message-ID: <20250226132257.2826043-1-david@redhat.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Based on mm/mm-unstable, which already contains [1]. Some smaller device-exclusive cleanups I have lying around. Tested using the hmm selftests without surprises. Cc: Andrew Morton Cc: "Jérôme Glisse" Cc: Simona Vetter Cc: Alistair Popple Cc: Jason Gunthorpe v1 -> v2: * Rebased on top of [1] * "mm/memory: remove PageAnonExclusive sanity-check in restore_exclusive_pte()" -> Added * "mm/memory: document restore_exclusive_pte()" -> adjust/clarify/simplify documentation * "mm/mmu_notifier: use MMU_NOTIFY_CLEAR in remove_device_exclusive_entry()" -> Use MMU_NOTIFY_EXCLUSIVE only for a single purpose such that we always have the owner [1] https://lkml.kernel.org/r/20250210193801.781278-1-david@redhat.com David Hildenbrand (5): lib/test_hmm: make dmirror_atomic_map() consume a single page mm/memory: remove PageAnonExclusive sanity-check in restore_exclusive_pte() mm/memory: pass folio and pte to restore_exclusive_pte() mm/memory: document restore_exclusive_pte() mm/mmu_notifier: use MMU_NOTIFY_CLEAR in remove_device_exclusive_entry() include/linux/mmu_notifier.h | 8 ++--- lib/test_hmm.c | 32 ++++++------------- mm/memory.c | 60 ++++++++++++++++++++++++------------ 3 files changed, 55 insertions(+), 45 deletions(-) base-commit: 598d34afeca6bb10554846cf157a3ded8729516c -- 2.48.1