linux-kernel - Re: ia64: fix module loading for gcc-5.4

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Message-ID: <bc2dbb55-54b3-e62e-a54f-aa1bbbc3aa5f@users.sourceforge.net>
Date:   Sun, 9 Apr 2017 11:02:43 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Sergei Trofimovich <slyfox@...too.org>
Cc:     linux-ia64@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Fenghua Yu <fenghua.yu@...el.com>,
        "H . J . Lu" <hjl.tools@...il.com>, Tony Luck <tony.luck@...el.com>
Subject: Re: ia64: fix module loading for gcc-5.4

>>> That caused ia64 module loader to choke
>>> on such instructions:
>>>     fuse: invalid slot number 1 for IMM64  
>>
>> Why does it matter to check such a value?
> 
> I'm not sure I follow the question. Is your question about
> linux kernel relocation code handler, gcc or ia64 instruction format?

I am just curious if this source code could also work without
the mentioned check.
Would it make sense to check more than two values there?

Regards,
Markus