From mboxrd@z Thu Jan 1 00:00:00 1970 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 712BD1862B6 for ; Wed, 3 Jul 2024 17:59:09 +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=1720029552; cv=none; b=HKdPznQlXbpEQ1svppoJSIsGd4R7lrLX/uE5Ex4tSE82AHytmhAuJhMbnOY/6pvBEUWCQfIH9xXbHz3HlCAZ1kFazlRw+XBAirAFqiMNBk4lESvaXJ98ZAmUbHZI2kHynU8mmFlK/xnlvTGAyF6zzxpZB5bWZD+nD59ay/2bkCI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720029552; c=relaxed/simple; bh=k8MRUbhHkjOhILYB9mNRHhZKXLPJOg91tgWozGH8p2w=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=iU27e9ieo9zYEvK/3rrBRHy6WRT2bKsLERkZdF/AcU5ar1tt2kDMR98VjDz1zQuKAiC8AIPjciJGpMGuBcbqDO63+hC/cJG0TSR5FIyFt3pRz8x+Y1M6Cgp0pG2KnS3h9DQqxxIoV45+d9ItDldvn1mtRkD/UMrD1bg3sqi/1Ho= 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=pDjsQj/p; 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="pDjsQj/p" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-70af0dff5c5so498203b3a.3 for ; Wed, 03 Jul 2024 10:59:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1720029549; x=1720634349; 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=AHTcN0faUMJUQ+dWhhUWTakw8XF64osRGcEYZrolzvg=; b=pDjsQj/paezW0GvrcXT+9tv5pGCrRphgek26RkKVUKu3ZW6FXmbo3gxRltl1lwUq5n o6dnupfFF/HWzY7oqiZGuItGtE1KUI1bE+MlS2QDHbntHKO2Sutnuv5BMCuk1yqmUnSA K0DNzfTsvx3ESp+4t9dR8cvFmqDm4JXEaj1SWsg2v9OuUz6+P5Z+QCazjlMWgzGyLLuR SeJhMbwE04uMwwQBOJiBV0mKwfS/1CT66jHsnlPOPx9cLqk30Epzxxchs4wNFUDi4V2K 6XjU1LK82k7kCHDxl4WexWpU0HOvlw9W18j6SkYlG9vg1FxM3soveZER6KycYtKE1Y3S jRFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720029549; x=1720634349; 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=AHTcN0faUMJUQ+dWhhUWTakw8XF64osRGcEYZrolzvg=; b=GRxlPxtWKfac6kFhqi9FEj5s3epHEF2p30bPNLbA7tbBPo7QmfoOeYR1RYaaschGBU IAje5OKT8/bSULt+4FyL2oQYgDn4pSoPiPvaCAF3p02kthwwL51UhKYYdJYzSnQehsHn OZ5u/6FkVLrnpA11aQ3z8S+5mznAH+yatTbOnrSG4M1I956hGazBvrpogpGkBszGJISR Zj9MFIzp72It6UrtZX5KDEH4Cs3b6fIeSfjUZ/oGJkVOrfadaSvdhBhOG281+knIuLxK /FEAN/NRVL4bZBoCqWltrkHRNgiT5FReIcT3sCjK+lAa2aawdamvjVhq0VmjSuds5OEj Q1lg== X-Forwarded-Encrypted: i=1; AJvYcCXbFk43rJ16KFTc0cnZ1oDgQYFg9E8Wztadzs/nstkeNCfY2RzPK68Qoq+8cP+NAYsEU++65cDKMD8KIneA7oEHEmm8eqw8p+PakfDQ X-Gm-Message-State: AOJu0YzPP/C9tQXzOgAxp6HPiCxWHobVaKYxRUvBpzZU+mwHmOLJtVw/ 2VFX5ax2S1LqTjveYqXI9+1wWkxgHEbw0HB3fSINJtpEF0uAF5AKF9CiiAtKKuHk3IXYacvG32N BaJJ0AhDUWFhYWVAjcwLOHA== X-Google-Smtp-Source: AGHT+IGqZmv+oabNfIyY7QWOxNI78RRfONrhA60hWQ/B6RYAgC+XSxWmus+o7V2NbSDMiKdF9hyi3nBkP/5YqnHE+Q== X-Received: from yuting.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:317f]) (user=yutingtseng job=sendgmr) by 2002:a05:6a00:1913:b0:706:6b52:4392 with SMTP id d2e1a72fcca58-70aaaf0c089mr616345b3a.3.1720029548542; Wed, 03 Jul 2024 10:59:08 -0700 (PDT) Date: Wed, 3 Jul 2024 10:58:46 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.45.2.803.g4e1b14247a-goog Message-ID: <20240703175843.3639568-6-yutingtseng@google.com> Subject: [PATCH v6 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-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 --- 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; }; static const struct constant_table binderfs_param_stats[] = { @@ -74,6 +75,7 @@ static const struct fs_parameter_spec binderfs_fs_parameters[] = { static struct binder_features binder_features = { .oneway_spam_detection = true, .extended_error = true, + .freeze_notification = true, }; 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); + dentry = binderfs_create_file(dir, "freeze_notification", + &binder_features_fops, + &binder_features.freeze_notification); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + return 0; } 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 *_metadata) static const char * const binder_features[] = { "oneway_spam_detection", "extended_error", + "freeze_notification", }; change_mountns(_metadata); -- 2.45.2.803.g4e1b14247a-goog