diff options
| author | Li Li <dualli@google.com> | 2025-07-27 18:29:07 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-19 12:53:01 +0200 |
| commit | f37b55ded8ed35424ebb91a4d012527071e1f601 (patch) | |
| tree | 3bc5046db926086f6bf97d89f2fdaddd6cda5131 | |
| parent | 63740349eba78f242bcbf60d5244d7f2b2600853 (diff) | |
| download | linux-f37b55ded8ed35424ebb91a4d012527071e1f601.tar.gz linux-f37b55ded8ed35424ebb91a4d012527071e1f601.zip | |
binder: add transaction_report feature entry
Add "transaction_report" to the binderfs feature list, to help userspace
determine if the "BINDER_CMD_REPORT" generic netlink api is supported by
the binder driver.
Signed-off-by: Li Li <dualli@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20250727182932.2499194-5-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/android/binderfs.c | 8 | ||||
| -rw-r--r-- | tools/testing/selftests/filesystems/binderfs/binderfs_test.c | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c index 0d9d95a7fb60..be8e64eb39ec 100644 --- a/drivers/android/binderfs.c +++ b/drivers/android/binderfs.c @@ -59,6 +59,7 @@ struct binder_features { bool oneway_spam_detection; bool extended_error; bool freeze_notification; + bool transaction_report; }; static const struct constant_table binderfs_param_stats[] = { @@ -76,6 +77,7 @@ static struct binder_features binder_features = { .oneway_spam_detection = true, .extended_error = true, .freeze_notification = true, + .transaction_report = true, }; static inline struct binderfs_info *BINDERFS_SB(const struct super_block *sb) @@ -601,6 +603,12 @@ static int init_binder_features(struct super_block *sb) if (IS_ERR(dentry)) return PTR_ERR(dentry); + dentry = binderfs_create_file(dir, "transaction_report", + &binder_features_fops, + &binder_features.transaction_report); + 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 81db85a5cc16..39a68078a79b 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) "oneway_spam_detection", "extended_error", "freeze_notification", + "transaction_report", }; change_mountns(_metadata); |