From: Andrew Morton <akpm@linux-foundation.org>
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
Subject: [merged mm-nonmm-stable] kernel-rcu-tree_stall-add-sys-kernel-rcu_stall_count.patch removed from -mm tree
Date: Wed, 21 May 2025 10:49:01 -0700 [thread overview]
Message-ID: <20250521174902.5810DC4CEE4@smtp.kernel.org> (raw)
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 <max.kellermann@ionos.com>
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 <max.kellermann@ionos.com>
Cc: Core Minyard <cminyard@mvista.com>
Cc: Doug Anderson <dianders@chromium.org>
Cc: Joel Granados <joel.granados@kernel.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Song Liu <song@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
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 <linux-kernel@vger.kernel.org>
+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
reply other threads:[~2025-05-21 17:49 UTC|newest]
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