linux-kernel - Re: [PATCH V2] livepatch: fix non-static warnings

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Message-ID: <13b0bd3d-1441-b83b-bee3-d5fc666a9d26@redhat.com>
Date:   Tue, 22 Jan 2019 11:30:30 -0500
From:   Joe Lawrence <joe.lawrence@...hat.com>
To:     Nicholas Mc Guire <hofrat@...dl.org>
Cc:     Miroslav Benes <mbenes@...e.cz>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jessica Yu <jeyu@...nel.org>, Jiri Kosina <jikos@...nel.org>,
        Petr Mladek <pmladek@...e.com>, live-patching@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] livepatch: fix non-static warnings

On 12/18/18 10:18 AM, Joe Lawrence wrote:
> On 12/18/2018 03:49 AM, Miroslav Benes wrote:
>> On Mon, 17 Dec 2018, Joe Lawrence wrote:
>>
>>> I'm just being picky about its documentation and how we should note its
>>> usage in the v3 patch.  Think that s/__noclone/used/g of the v2 commit
>>> message would be sufficient?
>>
>> We could rephrase it. After all it is not only about symbol names in the
>> symbol table. The traceable/patchable code has to be present...
>>
>> "Sparse reported warnings about non-static symbols. For the variables
>> a simple static attribute is fine - for the functions referenced by
>> livepatch via klp_func the symbol-names must be unmodified in the
>> symbol table and the patchable code has to be emitted.
>>
>> Attach __used attribute to the shared statically declared functions."
>>
>> ?
> 
> That works for me.
> 
Hi Nicholas,

Did you still want to post a v3 for this fix?  I think there were only a 
few v3 suggestions (link tag, tag order, __used attribute, and commit 
msg phrasing.)

The context has been clipped in the quoting above, so here's an archive 
link if you need it:

https://lore.kernel.org/lkml/1544965657-26804-1-git-send-email-hofrat@osadl.org/

Thanks,

-- Joe