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From: Michael Ellerman <mpe@ellerman.id.au>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: David Daney <david.daney@cavium.com>, Jason Baron <jbaron@akamai.com>,
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Subject: Re: [PATCH] module: set __jump_table alignment to 8
In-Reply-To: <20170302124441.0e2634e0@gandalf.local.home>
References: <20170301220453.4756-1-david.daney@cavium.com> <87varsj6qc.fsf@concordia.ellerman.id.au> <8737ewexkp.fsf@concordia.ellerman.id.au> <20170302124441.0e2634e0@gandalf.local.home>
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Date: Fri, 03 Mar 2017 14:34:58 +1100
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Steven Rostedt <rostedt@goodmis.org> writes:
> On Thu, 02 Mar 2017 22:18:30 +1100
> Michael Ellerman <mpe@ellerman.id.au> wrote:
>> Michael Ellerman <mpe@ellerman.id.au> writes:
>> > David Daney <david.daney@cavium.com> writes:  
>> >> Strict alignment became necessary with commit 3821fd35b58d
>> >> ("jump_label: Reduce the size of struct static_key"), currently in
>> >> linux-next, which uses the two least significant bits of pointers to
>> >> __jump_table elements.  
>> >
>> > It would obviously be nice if this could go in before the commit that
>> > exposes the breakage, but I guess that's problematic because Steve
>> > doesn't want to rebase the tracing tree.
>> >
>> > Steve I think you've already sent your pull request for this cycle? So I
>> > guess if this can go in your first batch of fixes?  
>> 
>> Ugh. Was looking at the wrong tree - Linus has already merged the commit
>> in question, so the above is all moot.
>
> No problem. I've got some other "fixes" to push to Linus. That's what
> the -rc releases are for. To fix up breakage from the merge window ;-)

Yep, no drama.

> I'll pull this into my tree.

Thanks.

cheers