linux-kernel - [PATCH v2 0/3] livepatch,sched: Add livepatch task switching to cond

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Message-Id: <cover.1676672328.git.jpoimboe@kernel.org>
Date:   Fri, 17 Feb 2023 14:22:53 -0800
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     live-patching@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Seth Forshee <sforshee@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Song Liu <song@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Petr Mladek <pmladek@...e.com>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Jiri Kosina <jikos@...nel.org>, Ingo Molnar <mingo@...hat.com>,
        Rik van Riel <riel@...riel.com>
Subject: [PATCH v2 0/3] livepatch,sched: Add livepatch task switching to cond_resched()

v2:
- Avoid calling klp_cond_resched_disable() in klp_cancel_transition()
- Fix race in klp_reverse_transition()

Fix patching stalls caused by busy kthreads.

Josh Poimboeuf (3):
  livepatch: Skip task_call_func() for current task
  livepatch,sched: Add livepatch task switching to cond_resched()
  vhost: Fix livepatch timeouts in vhost_worker()

 drivers/vhost/vhost.c           |  3 +-
 include/linux/livepatch.h       |  1 +
 include/linux/livepatch_sched.h | 29 ++++++++++++
 include/linux/sched.h           | 20 ++++++--
 kernel/livepatch/transition.c   | 84 ++++++++++++++++++++++++++++-----
 kernel/sched/core.c             | 64 +++++++++++++++++++++----
 6 files changed, 174 insertions(+), 27 deletions(-)
 create mode 100644 include/linux/livepatch_sched.h

-- 
2.39.1