From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8747E8FDB1 for ; Tue, 3 Oct 2023 19:45:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230390AbjJCTp6 (ORCPT ); Tue, 3 Oct 2023 15:45:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231567AbjJCTp6 (ORCPT ); Tue, 3 Oct 2023 15:45:58 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02B7EAB for ; Tue, 3 Oct 2023 12:45:55 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-d81a47e12b5so1962095276.0 for ; Tue, 03 Oct 2023 12:45:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1696362354; x=1696967154; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=viodXw7fUNfO/LRa8b1+fBrUho8mNoQloTZPtSZSDRw=; b=3iw7OeSMlok5fWAsQ3kzXk8gjk93xJV/CYmLAXoVpXCpl6Nr0CJPYZl3n74zJFa69I 4WfG4atV7WTdsAOpuzpKucANzacVek9OBJmRVsYf26ynV47+qf3KzcHkJqinzIiIQj4z KaILlLwxqf4eDiuW3/rfAC0fw+1dBvhkkyShs3u56z7P0Ow4bhn/iB+WRbXkfucn8M5Y IM0pK8tKn9qX1REtLsHwaT1KNinPNrwJqiJhsmuJltnCAQgosFVxZg/ftxQRAJq/mmuD l1L8EkNOnn9TZ8Y/5InYgByLZNJGTr1cCP/yFyk+7Gza19XG0jqvqReUNKUZIesgGPlf 07wg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696362354; x=1696967154; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=viodXw7fUNfO/LRa8b1+fBrUho8mNoQloTZPtSZSDRw=; b=IqnwccZCgy3rsz//AfOAkmb/yQsdpbyFZKNKT6fx737m4JfUrTo+62lxiNBRVTgGkL aC16rAcs0jTwpRW8/taHiRouV3CywRJhHtzDGWr5vY2krNwOo+ezvaGvcq+dL2NtxaSe BcrIxTrQnxR9J62yVSdXzr7D5AOdUiipUCi5Ej3jZ83YUU4v7+PyLnZI0rGuQdSY9HDM +VCiGati5yxNy8ppGGz+ewMa+hQKRVLgpSUQxcVFuw2Qmkr7mB9mkXzFquxJv01y8I8f wSUlTL0YFaDdSoPxXT1CGJqgIeqIeWtAYxuV57/PsPPr2LTey+5Jl/das7hrcEyOvSJJ 81Jw== X-Gm-Message-State: AOJu0YwJnZN8LsapIHU4SOhsjdKscrIl0+PK4mTMzFb7Xu/b9MDLuf+c /0trrd5p7lHtcNmN4lDMmdFyCgQklc6PN8YnoZJc X-Google-Smtp-Source: AGHT+IE1qDM9+kU7Ss8mySYaAf902Q/5KzDumW0lXdocj5baqcxCFc8Tn3xnpSAJmfEEpIjlChC5Hmp+tjwfE2JiWuwX X-Received: from axel.svl.corp.google.com ([2620:15c:2a3:200:6577:b8c1:dd2d:1c93]) (user=axelrasmussen job=sendgmr) by 2002:a25:c785:0:b0:d85:b46f:4375 with SMTP id w127-20020a25c785000000b00d85b46f4375mr3284ybe.6.1696362354244; Tue, 03 Oct 2023 12:45:54 -0700 (PDT) Date: Tue, 3 Oct 2023 12:45:42 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.42.0.609.gbb76f46606-goog Message-ID: <20231003194547.2237424-1-axelrasmussen@google.com> Subject: [PATCH v2 0/5] userfaultfd man page updates From: Axel Rasmussen To: Alejandro Colomar , Peter Xu Cc: linux-man@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Axel Rasmussen Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org This series includes only the remaining patches not applied from v1, with review comments addressed. This series is based on the "contrib" branch. Changelog: v1->v2: - In patch 1 (patch 5 in v1), change "after" to "since" for consistency and to be clear that we mean 4.11+ (inclusive). - In patch 2 (patch 7 in v1), reorder error codes alphabetically (EINVAL then EPERM). - In patch 3 (patch 8 in v1), resolve conflicts with earlier review comments. Original cover letter: Various updates for userfaultfd man pages. To summarize the changes: - Correctly / fully describe the two-step feature support handshake process. - Describe new UFFDIO_POISON ioctl. - Other small improvements (missing ioctls, error codes, etc). Axel Rasmussen (5): ioctl_userfaultfd.2: describe two-step feature handshake ioctl_userfaultfd.2: correct and update UFFDIO_API ioctl error codes ioctl_userfaultfd.2: clarify the state of the uffdio_api structure on error ioctl_userfaultfd.2: fix / update UFFDIO_REGISTER error code list ioctl_userfaultfd.2: document new UFFDIO_POISON ioctl man2/ioctl_userfaultfd.2 | 226 +++++++++++++++++++++++++++++++-------- 1 file changed, 181 insertions(+), 45 deletions(-) -- 2.42.0.609.gbb76f46606-goog