linux-kernel - [PATCH v2 8/8] binder: add delivered

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Message-ID: <20240926233632.821189-9-cmllamas@google.com>
Date: Thu, 26 Sep 2024 23:36:19 +0000
From: Carlos Llamas <cmllamas@...gle.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	"Arve Hjønnevåg" <arve@...roid.com>, Todd Kjos <tkjos@...roid.com>, Martijn Coenen <maco@...roid.com>, 
	Joel Fernandes <joel@...lfernandes.org>, Christian Brauner <brauner@...nel.org>, 
	Carlos Llamas <cmllamas@...gle.com>, Suren Baghdasaryan <surenb@...gle.com>, 
	Yu-Ting Tseng <yutingtseng@...gle.com>
Cc: linux-kernel@...r.kernel.org, kernel-team@...roid.com, 
	Alice Ryhl <aliceryhl@...gle.com>, stable@...r.kernel.org
Subject: [PATCH v2 8/8] binder: add delivered_freeze to debugfs output

Add the pending proc->delivered_freeze work to the debugfs output. This
information was omitted in the original implementation of the freeze
notification and can be valuable for debugging issues.

Fixes: d579b04a52a1 ("binder: frozen notification")
Cc: stable@...r.kernel.org
Signed-off-by: Carlos Llamas <cmllamas@...gle.com>
---
 drivers/android/binder.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 7c09b5e38e32..ef353ca13c35 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -6569,6 +6569,10 @@ static void print_binder_proc(struct seq_file *m,
 		seq_puts(m, "  has delivered dead binder\n");
 		break;
 	}
+	list_for_each_entry(w, &proc->delivered_freeze, entry) {
+		seq_puts(m, "  has delivered freeze binder\n");
+		break;
+	}
 	binder_inner_proc_unlock(proc);
 	if (!print_all && m->count == header_pos)
 		m->count = start_pos;
-- 
2.46.1.824.gd892dcdcdd-goog