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

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


             reply	other threads:[~2023-02-17 22:23 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-17 22:22 Josh Poimboeuf [this message]
2023-02-17 22:22 ` [PATCH v2 1/3] livepatch: Skip task_call_func() for current task Josh Poimboeuf
2023-02-17 22:22 ` [PATCH v2 2/3] livepatch,sched: Add livepatch task switching to cond_resched() Josh Poimboeuf
2023-02-22 14:00   ` Petr Mladek
2023-02-24  1:34     ` Josh Poimboeuf
2023-02-24 16:01       ` Petr Mladek
2023-02-24 16:42         ` Josh Poimboeuf
2023-02-17 22:22 ` [PATCH v2 3/3] vhost: Fix livepatch timeouts in vhost_worker() Josh Poimboeuf

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