Re: livepatch: reuse module loader code to write relocations

From	Jessica Yu <jeyu@redhat.com>
Newsgroups	linux.kernel
Subject	Re: livepatch: reuse module loader code to write relocations
Date	2016-03-22 20:10 +0100
Message-ID	<rfzQK-Ab-3@gated-at.bofh.it> (permalink)
References	(2 earlier) <rf8xc-6rV-19@gated-at.bofh.it> <rfdwS-1BU-7@gated-at.bofh.it> <rffp0-2Sa-5@gated-at.bofh.it> <rffIm-30V-15@gated-at.bofh.it> <rfgbo-3qY-15@gated-at.bofh.it>
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+++ Jiri Kosina [21/03/16 23:02 +0100]:
>On Mon, 21 Mar 2016, Josh Poimboeuf wrote:
>
>> According to my test that still results in the literal value of
>> "(64 - 8)".
>
>Alright. But we should be able to special-case it with a two #if checks on
>the __SIZEOF_LONG__ value and BUILD_BUG_ON() when __SIZEOF_LONG__ is not
>of one of the ususal sizes.
>

And while we're at it, we might as well add a BUILD_BUG_ON check for
KSYM_NAME_LEN too, since we are also hard coding that field width, and
we'd like to be alerted if that value ever changes.

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Re: [PATCH v5 4/6] livepatch: reuse module loader code to write  relocations Miroslav Benes <mbenes@suse.cz> - 2016-03-21 15:00 +0100
  Re: livepatch: reuse module loader code to write relocations Jessica Yu <jeyu@redhat.com> - 2016-03-21 20:20 +0100
    Re: livepatch: reuse module loader code to write relocations Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-21 20:30 +0100
    Re: livepatch: reuse module loader code to write relocations Jiri Kosina <jikos@kernel.org> - 2016-03-21 22:20 +0100
      Re: livepatch: reuse module loader code to write relocations Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-21 22:40 +0100
        Re: livepatch: reuse module loader code to write relocations Jiri Kosina <jikos@kernel.org> - 2016-03-21 23:10 +0100
          Re: livepatch: reuse module loader code to write relocations Jessica Yu <jeyu@redhat.com> - 2016-03-22 20:10 +0100

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