Re: [PATCH v3] ia64: fix module loading for gcc-5.4

[Sergei Trofimovich]

On Sat,  8 Apr 2017 20:53:18 +0100
Sergei Trofimovich <slyfox@xxxxxxxxxx> wrote:

> Starting from gcc-5.4+ gcc generates MLX
> instructions in more cases to refer local
> symbols:
>     https://gcc.gnu.org/PR60465
> 
> That caused ia64 module loader to choke
> on such instructions:
>     fuse: invalid slot number 1 for IMM64
> 
> Linux kernel used to handle only case where
> relocation pointed to slot=2 instruction in
> the bundle. That limitation was fixed in linux by
> commit 9c184a073bfd ("[IA64] Fix 2.6 kernel for the new ia64 assembler")
> See http://sources.redhat.com/bugzilla/show_bug.cgi?id=1433
> 
> This change lifts the slot=2 restriction from
> linux kernel module loader.
> 
> Tested on 'fuse' and 'btrfs' kernel modules.
> 
> Cc: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Cc: H. J. Lu <hjl.tools@xxxxxxxxx>
> Cc: Tony Luck <tony.luck@xxxxxxxxx>
> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
> Cc: linux-ia64@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Bug: https://bugs.gentoo.org/601014
> Tested-by: Ãmeric MASCHINO <emeric.maschino@xxxxxxxxx>
> Signed-off-by: Sergei Trofimovich <slyfox@xxxxxxxxxx>
> ---
> Change since v1: added 'Tested-by'
> Change since v2: checkpatched, fixed typos by found by Markus Elfring

Ping :)

-- 

  Sergei

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