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MAINTAINERS: Add Paul as context tracking maintainer 

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2169516

commit 08ab707dfc83d6ab7829c1c0f39b0d4530fa42a8
Author: Frederic Weisbecker <frederic@kernel.org>
Date:   Wed, 8 Jun 2022 16:40:37 +0200

    MAINTAINERS: Add Paul as context tracking maintainer

    Since most of the bits have been imported from kernel/rcu/tree.c and
    now that the context tracking code is tightly linked to RCU, add Paul
    as a context tracking maintainer.

    Also update the context tracking file header accordingly.

    Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com>
    Cc: Uladzislau Rezki <uladzislau.rezki@sony.com>
    Cc: Joel Fernandes <joel@joelfernandes.org>
    Cc: Boqun Feng <boqun.feng@gmail.com>
    Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
    Cc: Marcelo Tosatti <mtosatti@redhat.com>
    Cc: Xiongfeng Wang <wangxiongfeng2@huawei.com>
    Cc: Yu Liao <liaoyu15@huawei.com>
    Cc: Phil Auld <pauld@redhat.com>
    Cc: Paul Gortmaker<paul.gortmaker@windriver.com>
    Cc: Alex Belits <abelits@marvell.com>
    Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
    Reviewed-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
    Tested-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>

Signed-off-by: Waiman Long <longman@redhat.com>
This commit is contained in:
Waiman Long 2023-02-26 22:21:45 -05:00
parent 3436a57e93
commit 5bb35213e3
2 changed files with 8 additions and 5 deletions
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MAINTAINERS
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@ -4785,6 +4785,7 @@ F: include/linux/console*
CONTEXT TRACKING
M: Frederic Weisbecker <frederic@kernel.org>
M: "Paul E. McKenney" <paulmck@kernel.org>
S: Maintained
F: kernel/context_tracking.c
F: include/linux/context_tracking*

12
kernel/context_tracking.c
View File

@ -1,18 +1,20 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Context tracking: Probe on high level context boundaries such as kernel
* and userspace. This includes syscalls and exceptions entry/exit.
* Context tracking: Probe on high level context boundaries such as kernel,
* userspace, guest or idle.
*
* This is used by RCU to remove its dependency on the timer tick while a CPU
* runs in userspace.
* runs in idle, userspace or guest mode.
*
* Started by Frederic Weisbecker:
* User/guest tracking started by Frederic Weisbecker:
*
* Copyright (C) 2012 Red Hat, Inc., Frederic Weisbecker <fweisbec@redhat.com>
* Copyright (C) 2012 Red Hat, Inc., Frederic Weisbecker
*
* Many thanks to Gilad Ben-Yossef, Paul McKenney, Ingo Molnar, Andrew Morton,
* Steven Rostedt, Peter Zijlstra for suggestions and improvements.
*
* RCU extended quiescent state bits imported from kernel/rcu/tree.c
* where the relevant authorship may be found.
*/
#include <linux/context_tracking.h>