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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 v3 0/3] livepatch,sched: Add livepatch task switching to cond_resched()
Date: Fri, 24 Feb 2023 08:49:58 -0800	[thread overview]
Message-ID: <cover.1677257135.git.jpoimboe@kernel.org> (raw)

v3:
- Add barriers (pmladek)
- Update comments

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/core.c         |   1 +
 kernel/livepatch/transition.c   | 113 +++++++++++++++++++++++++++-----
 kernel/sched/core.c             |  64 +++++++++++++++---
 7 files changed, 200 insertions(+), 31 deletions(-)
 create mode 100644 include/linux/livepatch_sched.h

-- 
2.39.1


             reply	other threads:[~2023-02-24 16:50 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-24 16:49 Josh Poimboeuf [this message]
2023-02-24 16:49 ` [PATCH v3 1/3] livepatch: Skip task_call_func() for current task Josh Poimboeuf
2023-02-24 16:50 ` [PATCH v3 2/3] livepatch,sched: Add livepatch task switching to cond_resched() Josh Poimboeuf
2023-02-27 15:55   ` Petr Mladek
2023-02-28 16:56     ` Josh Poimboeuf
2023-03-03 14:00       ` Petr Mladek
2023-03-13 23:33         ` [PATCH 0.5/3] livepatch: Convert stack entries array to percpu Josh Poimboeuf
2023-03-14 10:50           ` Petr Mladek
2023-03-15  0:26             ` Josh Poimboeuf
2023-02-24 16:50 ` [PATCH v3 3/3] vhost: Fix livepatch timeouts in vhost_worker() Josh Poimboeuf
2023-02-28 16:39 ` [PATCH v3 0/3] livepatch,sched: Add livepatch task switching to cond_resched() Seth Forshee
2023-03-30 16:11 ` Miroslav Benes

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