From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 6B2E2233724 for ; Wed, 26 Feb 2025 18:55:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740596115; cv=none; b=OBUhJJ26M1bSmEAIcWzjB1oW8ogDFmel5htY3GUZ2u+MEEbwo+LeQBSp7e5VaIYe/RK8sy0h+TSr/auM5T7ETicH9QaHTiISI1gorJdjkNRDZPYf+6NSJH57y2/MggxTWotf9F5eMkEnEokHZ11OVeUAoMHTXuxjdEH4epg4XGI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740596115; c=relaxed/simple; bh=3hozpgoSS59OL/VEqqi5QtKt2hfzFcBfjU/Lbnupyjk=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=sj2EW4t2Jgxv+rzRfnVFreEwym3iYks4N9gvsLc9QYUuR/2QHvQoh0JCzgotqTDyBW5H/r6QdvGvSAjsT8M4yBDjJPAKbo2UHAzZajRTIbn5TlehgMNvdIKdj0oO73HT/IDNyNYZYpcEjp3HqkkRK3cIE+SdKh+u34jbIgkYgfQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--surenb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=QVrIBSZI; arc=none smtp.client-ip=209.85.214.201 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--surenb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="QVrIBSZI" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-22101351b1dso1173755ad.3 for ; Wed, 26 Feb 2025 10:55:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1740596114; x=1741200914; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=tz4Qs953FyQ8pSwuSRRMRObCEn7/+1IJwtCxcvgUByo=; b=QVrIBSZIgZzgdatwxWv/2nuYHAGYHzrrCe4RxydfADy2Yo32UId4uVC6SF/XFx+oF3 iTKYEBUPAwp+mjviMbykoIT+zV1oXoB2c9zPuqGBjxmUZbIdwjvXJR7hv0T+nWYB8BqT En8KbJywhdIbQHDOavvTTxkC4wj3Aw685g0WiR4Djfa7vWNYjENL4JFEaJnYRf83NNbf 7pFK412HiGbl1aa7wJ479rbTT1lV3qOFVygGUg8mRKBJQlMDpBAi6m2+XonzCbVLgIgZ dPKsSUnhI6+ng4UutNH1pya0uuotKQ0C10qwlsFDa1FyT/BDQa5iaU1Q4Gp50qvjZNGz rtLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740596114; x=1741200914; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=tz4Qs953FyQ8pSwuSRRMRObCEn7/+1IJwtCxcvgUByo=; b=nsG43AzFR2649qaiGOqmKLW/LeSpqxiB6tDJAYv1OP19w1cyKyLjS47bDC4AfSiid7 pFPuawwXBVHFCIpLoD+Z6Oj6Oo1AfYMiWS1xrqFWCYM4AqHIvTbwFa4yq0K8lKoVzniG uZ5qwobb4Ti5kZ7iUqlyOFkZZryjJCtfFJzeZbZsaY4RPRUXSEEJ1UN6nXfcpGmh4Jk+ 8dWuUp+svv/OZALM6oGgq1tu+oN1ES7+J9kud17Bz3J/tcP9bOpgmTjfBMqHOteZLBR5 u6lHTyHl2lK5sqcAOhR1rRziIsIQ4fvIyUoVKFO60gFsFwdU6fIyKgx2SDEuR51WhaaX eq6Q== X-Forwarded-Encrypted: i=1; AJvYcCWcSEM3t4skQawRQCG8F+4GQfvljxXbJgUiyJPg0Ab9wUU9yg3n94mcaVGIJ6TNUZVLIC16MbmE3v2plGc=@vger.kernel.org X-Gm-Message-State: AOJu0YzzfxQTexCx7aNGn3MagyJ3mlRj465B+uANkN+9tEzpn9CcL9RS f07Bj8fsu4q9K7njiHYS660gXxB91REO0HVmeOMQtjbR8d/tJhQK6B8QZGxGkWYpIQOmgKLLht6 I5w== X-Google-Smtp-Source: AGHT+IEiiWKKK5H8nmcWMiqbiAfTi/yBBsoyxX+kvTyaicEXWSkrrWW/xyqbnD51MQeATwdUE4l+c4dsV6M= X-Received: from plhv15.prod.google.com ([2002:a17:903:238f:b0:220:e5d1:24c2]) (user=surenb job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:2c7:b0:21f:4c65:6290 with SMTP id d9443c01a7336-2232006201dmr74561105ad.1.1740596113491; Wed, 26 Feb 2025 10:55:13 -0800 (PST) Date: Wed, 26 Feb 2025 10:55:07 -0800 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 2.48.1.658.g4767266eb4-goog Message-ID: <20250226185510.2732648-1-surenb@google.com> Subject: [PATCH 0/2] move_pages_pte() fixes From: Suren Baghdasaryan To: akpm@linux-foundation.org Cc: lokeshgidra@google.com, aarcange@redhat.com, 21cnbao@gmail.com, v-songbaohua@oppo.com, david@redhat.com, peterx@redhat.com, willy@infradead.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, hughd@google.com, jannh@google.com, kaleshsingh@google.com, surenb@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Patchset bundles two *unrelated* fixes in move_pages_pte because otherwise they would create a merge conflict. The first fix which was posted before at [1] fixes a livelock issue. The second change corrects the use of PTEs when unmapping them. The patchset applies cleanly over mm-hotfixes-unstable which contains Barry's fix [2] that changes related code. [1] https://lore.kernel.org/all/20250225204613.2316092-1-surenb@google.com/ [2] https://lore.kernel.org/all/20250226003234.0B98FC4CEDD@smtp.kernel.org/ Suren Baghdasaryan (2): userfaultfd: do not block on locking a large folio with raised refcount userfaultfd: fix PTE unmapping stack-allocated PTE copies mm/userfaultfd.c | 37 ++++++++++++++++++++++++++----------- 1 file changed, 26 insertions(+), 11 deletions(-) base-commit: a88b5ef577dd7ddb8606ef233c0634f05e884d4a -- 2.48.1.658.g4767266eb4-goog