linux-kernel - Re: [PATCH v5 00/15] livepatch: hybrid consistency model

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Message-ID: <alpine.LSU.2.20.1702170953210.4107@pobox.suse.cz>
Date:   Fri, 17 Feb 2017 09:55:23 +0100 (CET)
From:   Miroslav Benes <mbenes@...e.cz>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
cc:     Jessica Yu <jeyu@...hat.com>, Jiri Kosina <jikos@...nel.org>,
        Petr Mladek <pmladek@...e.com>, linux-kernel@...r.kernel.org,
        live-patching@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Heiko Carstens <heiko.carstens@...ibm.com>, x86@...nel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        Vojtech Pavlik <vojtech@...e.com>, Jiri Slaby <jslaby@...e.cz>,
        Chris J Arges <chris.j.arges@...onical.com>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
        Balbir Singh <bsingharora@...il.com>
Subject: Re: [PATCH v5 00/15] livepatch: hybrid consistency model

On Mon, 13 Feb 2017, Josh Poimboeuf wrote:

> Here's v5 of the consistency model, targeted for 4.12.  Only a few minor
> changes this time.
> 
> v5:
> - return -EINVAL in __save_stack_trace_reliable()
> - only call show_stack() once
> - add save_stack_trace_tsk_reliable() define for !CONFIG_STACKTRACE
> - update kernel version and date in ABI doc
> - make suggested improvements to livepatch.txt
> - update barrier comments
> - remove klp_try_complete_transition() call from klp_start_transition()
> - move end of klp_try_complete_transition() into klp_complete_transition()
> - fix __klp_enable_patch() error path
> - check for transition in klp_module_going()

All the changes since v4 look good to me (except for module_put() in 
__klp_enable_patch() mentioned elsewhere).

Thanks,
Miroslav