linux-kernel - [PATCH V4 0/3] livepatch: cleanup kpl

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Message-Id: <20211102145932.3623108-1-ming.lei@redhat.com>
Date:   Tue,  2 Nov 2021 22:59:29 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>,
        Petr Mladek <pmladek@...e.com>, live-patching@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Ming Lei <ming.lei@...hat.com>
Subject: [PATCH V4 0/3] livepatch: cleanup kpl_patch kobject release

Hello,

The 1st patch moves module_put() to release handler of klp_patch
kobject.

The 2nd patch changes to free klp_patch and other kobjects without
klp_mutex.

The 3rd patch switches to synchronous kobject release for klp_patch.


V4:
	- add freeing klp_patch after klp_enable_patch() returns, since
	patch still can be freed there in case of ->replace is set

V3:
	- one line fix on check of list_empty() in enabled_store(), 3/3

V2:
	- remove enabled attribute before deleting this klp_patch kobject,
	for avoiding deadlock in deleting me


Ming Lei (3):
  livepatch: remove 'struct completion finish' from klp_patch
  livepatch: free klp_patch object without holding klp_mutex
  livepatch: free klp_patch object synchronously

 include/linux/livepatch.h     |  2 -
 kernel/livepatch/core.c       | 73 +++++++++++++++++------------------
 kernel/livepatch/core.h       |  3 +-
 kernel/livepatch/transition.c | 23 ++++++++---
 kernel/livepatch/transition.h |  2 +-
 5 files changed, 54 insertions(+), 49 deletions(-)

-- 
2.31.1