linux-kernel - Re: [PATCH] jump_label: align jump

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Message-Id: <B9D0B041-6C5A-42D7-AF8C-FA618003AEF8@linux.vnet.ibm.com>
Date:   Wed, 1 Mar 2017 12:42:18 +0530
From:   Sachin Sant <sachinp@...ux.vnet.ibm.com>
To:     Jason Baron <jbaron@...mai.com>,
        David Daney <ddaney@...iumnetworks.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>, linux-mips@...ux-mips.org,
        Chris Metcalf <cmetcalf@...lanox.com>,
        Russell King <linux@...linux.org.uk>,
        Ralf Baechle <ralf@...ux-mips.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Rabin Vincent <rabin@....in>,
        Paul Mackerras <paulus@...ba.org>,
        Anton Blanchard <anton@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, Ingo Molnar <mingo@...nel.org>,
        Zhigang Lu <zlu@...hip.com>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [PATCH] jump_label: align jump_entry table to at least 4-bytes


> I also checked all the other .ko files and they were properly aligned. So I think this should hopefully work, and I like that its not a per-arch fix.
> 
> Sachin, sorry to bother you again, but I'm hoping you can try David's latest patch to scripts/module-common.lds, just to test in your setup.

I tested the patch on 2 different systems where I ran into this problem. In both cases
the system boots without any warning. A quick module load/unload test also worked
correctly.

Tested-by: Sachin Sant <sachinp@...ux.vnet.ibm.com>

Thanks
-Sachin