From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 876B7289837 for ; Wed, 21 May 2025 17:49:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747849742; cv=none; b=QrHabPxI+XE3n5Zz0tlf2uFEsRDDFhaGiB2dUwFwazjDA0i+H8HKvGl62z6f1BxPvApo6rQGr5TFFdjROMG7W/cd4HDLXmKWgZVa4OeUInyZBMZDzDaslpjRdLa+btiLFZSk5vZVAIM/bCaCru1/FNiUgMcxCjxwgR2XtsT4lrY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747849742; c=relaxed/simple; bh=f7R+8f8qYT38ZWDSWLPOWoPZm7T4CSXtzc47tlD0kbQ=; h=Date:To:From:Subject:Message-Id; b=e4Z8QVSJpJMbuV9KQAh3iLqaDD4Acq6bAepsWYAwVDRe2PFcV3vxzGvxSQxAaa2CeiHiZiLptLSBwI7Ko7lYVYqz5t+TtDAdw8UB03jNS/l/RQfvDDcw+9qIiqCO9p1yFW5wIS8tEhwQ2DpLhOtzGlCMNDkahyN7xw3HWEkQJBk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=gt03Ctn2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="gt03Ctn2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5810DC4CEE4; Wed, 21 May 2025 17:49:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1747849742; bh=f7R+8f8qYT38ZWDSWLPOWoPZm7T4CSXtzc47tlD0kbQ=; h=Date:To:From:Subject:From; b=gt03Ctn2/K7D7k5Hp/FaWzNF6FOAqHJ8I4NlsxN41QpOhM4tyGKLwVnDRR/z5xvF5 MI2ztKqVojyPYVST+xZURMOOg8LrSiOP6+7rVRztar3v9/zHe6k2CqSWb1mDC3QNCX a1pOKyIGIpYIAl+M690WDHhbiFWM6OWSoCrU1ANk= Date: Wed, 21 May 2025 10:49:01 -0700 To: mm-commits@vger.kernel.org,song@kernel.org,kees@kernel.org,joel.granados@kernel.org,dianders@chromium.org,cminyard@mvista.com,max.kellermann@ionos.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-nonmm-stable] kernel-rcu-tree_stall-add-sys-kernel-rcu_stall_count.patch removed from -mm tree Message-Id: <20250521174902.5810DC4CEE4@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: kernel/rcu/tree_stall: add /sys/kernel/rcu_stall_count has been removed from the -mm tree. Its filename was kernel-rcu-tree_stall-add-sys-kernel-rcu_stall_count.patch This patch was dropped because it was merged into the mm-nonmm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Max Kellermann Subject: kernel/rcu/tree_stall: add /sys/kernel/rcu_stall_count Date: Sun, 4 May 2025 20:08:31 +0200 Expose a simple counter to userspace for monitoring tools. Link: https://lkml.kernel.org/r/20250504180831.4190860-3-max.kellermann@ionos.com Signed-off-by: Max Kellermann Cc: Core Minyard Cc: Doug Anderson Cc: Joel Granados Cc: Kees Cook Cc: Song Liu Signed-off-by: Andrew Morton --- Documentation/ABI/testing/sysfs-kernel-rcu_stall_count | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-kernel-rcu_stall_count a/Documentation/ABI/testing/sysfs-kernel-rcu_stall_count new file mode 100644 --- /dev/null +++ a/Documentation/ABI/testing/sysfs-kernel-rcu_stall_count @@ -0,0 +1,6 @@ +What: /sys/kernel/rcu_stall_count +Date: May 2025 +KernelVersion: 6.16 +Contact: Linux kernel mailing list +Description: + Shows how many times the system has detected an RCU stall since last boot. _ Patches currently in -mm which might be from max.kellermann@ionos.com are