From nobody Wed Dec 17 03:03:46 2025 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (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 47A59144D00 for ; Tue, 9 Jul 2024 07:02:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720508534; cv=none; b=l3HSjGMSaNSO+3xm8Awc+QDrims/p6dF1tdeUGyBEuK9E/0HgS2xHPRya27IfmboZI6psFh2guBRocMvs02JkDlPsESpJDciTfzQJgK7aEdEpX2lYdiN6een1A9g8BkwPvs91oRjd0E/uvv3otig9kxxdSXVT4aUaXTi+0dO56E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720508534; c=relaxed/simple; bh=5xUmkKG5yUqtRQH+3cQPuwgEI+tcDwblj3IXj5ZwSsk=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=LiWt2JP/a0Y0PK8uSPVopywjbAp1xjejtVbtZZwOQTG/A5Agwti/SXaxCl4BlwVsK2uYLH4MRWIRpdldjP8nbGhfOrT8JThsKIJisXQYUzjKz8uhB/GMshsIs15UcY8AsmTyeekq4fcnv17sxRqpbMEMOqhdcvtMUIHjoJFjups= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--yutingtseng.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=I1jWRyne; arc=none smtp.client-ip=209.85.210.201 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--yutingtseng.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="I1jWRyne" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-70b2793d2ffso2619736b3a.2 for ; Tue, 09 Jul 2024 00:02:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1720508532; x=1721113332; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=IAQ4RhEaSV+8bv37ytSMZxXztdW5gICJdrjwG4uRu7Q=; b=I1jWRyne5iig0tfzzXFKe8xMQ5Z2CVanD7BLtwB4Q53/+wCIUem5yBAUnvQ40IKrQw eHtD3qkSp0AxkoheAytGkyqU7iQM67UYWcJR1GE8W8uR8b5ZWEarF+n8+31fvohAXbDC R9Cs3ZzA57p8cbmkv9AJnRptGsHxd+DJ3WEuxtF8yxsdxgW2sqEHLaoYkWYvMTpEzHhg DoqBnSjO38Yze6hGLk02D8B9gKmceyCBhlSUtwISbhNONoafluPtCI2Szav/gEuiGYW2 CnUCYGWjr2KRpK/cjZ09Itec5zMwr8uagnDn52h8eWaQxZorUUO+9SlNcguCLnlz4kMc 9WpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720508532; x=1721113332; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=IAQ4RhEaSV+8bv37ytSMZxXztdW5gICJdrjwG4uRu7Q=; b=YgPn1o6WOErBwThalDlEdUozqndZ69Md/WF47250FS3oZywn8EMwkeEQbmnaE062Xd WstV3jAMz0WGIvK9go2hPoAdlygkg0M/4/cBIz7BRrf/j5bnjARJDx+/1PtTQG6iZ4Hz LmPA/Jlu82MzptlLfWRcTXjqFA0bxJ/HphSlyT3CCbdZ+ZGuKzck9e+DJh/sfaIR8Bnh E7dh7Zg0PY8fZMKsIcduliC1OiUx8lx894ji5rUf1Jat0bFQIdbWr8rKNO1CRpd8W5g9 34sgSbkU/zKM85P7+/WotbLh916zbYHbTq36dX40HO9IVrNrQUMoGQ+w+Q4DV8aZQick WQyg== X-Forwarded-Encrypted: i=1; AJvYcCXJOGmEN0BQPT4u5LD49tyXk324CEJO09y1XpCbDKCLzl009TVHIDSm6B8k/d6OFvrXDNd0xi/9keuY/EZkvy6O6GlLx1eblenSbcHm X-Gm-Message-State: AOJu0YxgO+0PMFSLLiH8ddmYALPCVoovkpDIHdNNwEUI/Lhzm37pfQcz TjyXHpL6249Z+KrdWGZ13SLh/5mAjZZyAur1Cj0hmpRSw3Nyq1XNv1Fo1qQAF7SNwoavirjhu2L kbByu1BSh1bi/8n/sAz25fw== X-Google-Smtp-Source: AGHT+IFZ6HGLxBbQ21Ag5zpQKdf7/L/04/aI8mayaAqZpVM2pnQitaTK7U0E9NuFS7pQVWcWQ16Wr6FTb7YRoe5rFw== X-Received: from yuting.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:317f]) (user=yutingtseng job=sendgmr) by 2002:a05:6a00:2d84:b0:704:26cc:fe68 with SMTP id d2e1a72fcca58-70b43650a22mr109757b3a.3.1720508532370; Tue, 09 Jul 2024 00:02:12 -0700 (PDT) Date: Tue, 9 Jul 2024 00:00:49 -0700 In-Reply-To: <20240709070047.4055369-2-yutingtseng@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240709070047.4055369-2-yutingtseng@google.com> X-Mailer: git-send-email 2.45.2.803.g4e1b14247a-goog Message-ID: <20240709070047.4055369-6-yutingtseng@google.com> Subject: [PATCH v9 2/2] binder: frozen notification binder_features flag From: Yu-Ting Tseng To: cmllamas@google.com, tkjos@google.com, gregkh@linuxfoundation.org Cc: arve@android.com, maco@android.com, joel@joelfernandes.org, brauner@kernel.org, surenb@google.com, aliceryhl@google.com, kernel-team@android.com, linux-kernel@vger.kernel.org, Yu-Ting Tseng Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add a flag to binder_features to indicate that the freeze notification feature is available. Signed-off-by: Yu-Ting Tseng Acked-by: Carlos Llamas --- V8 -> V9: Add patchset summary and changelogs. V7 -> V8: Resending patchset to the correct list of recipients. V6 -> V7: Resending patchset without --in-reply-to. V5 -> V6: Separated the binder_features change into its own patch in the same patchset. V4 -> V5: Merged the binder_features change into the same patch. V3 -> V4: N/A V2 -> V3: N/A V1 -> V2: N/A drivers/android/binderfs.c | 8 ++++++++ .../selftests/filesystems/binderfs/binderfs_test.c | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c index 3001d754ac36..ad1fa7abc323 100644 --- a/drivers/android/binderfs.c +++ b/drivers/android/binderfs.c @@ -58,6 +58,7 @@ enum binderfs_stats_mode { struct binder_features { bool oneway_spam_detection; bool extended_error; + bool freeze_notification; }; =20 static const struct constant_table binderfs_param_stats[] =3D { @@ -74,6 +75,7 @@ static const struct fs_parameter_spec binderfs_fs_paramet= ers[] =3D { static struct binder_features binder_features =3D { .oneway_spam_detection =3D true, .extended_error =3D true, + .freeze_notification =3D true, }; =20 static inline struct binderfs_info *BINDERFS_SB(const struct super_block *= sb) @@ -608,6 +610,12 @@ static int init_binder_features(struct super_block *sb) if (IS_ERR(dentry)) return PTR_ERR(dentry); =20 + dentry =3D binderfs_create_file(dir, "freeze_notification", + &binder_features_fops, + &binder_features.freeze_notification); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + return 0; } =20 diff --git a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c b= /tools/testing/selftests/filesystems/binderfs/binderfs_test.c index 5f362c0fd890..319567f0fae1 100644 --- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c +++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c @@ -65,6 +65,7 @@ static int __do_binderfs_test(struct __test_metadata *_me= tadata) static const char * const binder_features[] =3D { "oneway_spam_detection", "extended_error", + "freeze_notification", }; =20 change_mountns(_metadata); --=20 2.45.2.803.g4e1b14247a-goog