Re: [PATCH 1/3] module_arch_freeing_init(): new hook for archs before module->module_init freed.
From: Hans-Christian Egtvedt
Date: Thu Jan 08 2015 - 02:55:47 EST
Around Thu 08 Jan 2015 11:28:05 +1030 or thereabout, Rusty Russell wrote:
> Archs have been abusing module_free() to clean up their arch-specific
> allocations. Since module_free() is also (ab)used by BPF and trace code,
> let's keep it to simple allocations, and provide a hook called before
> that.
>
> This means that avr32, ia64, parisc and s390 no longer need to implement
> their own module_free() at all. avr32 doesn't need module_finalize()
> either.
At a glance it looks sane.
> Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> Cc: Chris Metcalf <cmetcalf@xxxxxxxxxx>
> Cc: Haavard Skinnemoen <hskinnemoen@xxxxxxxxx>
> Cc: Hans-Christian Egtvedt <egtvedt@xxxxxxxxxxxx>
> Cc: Tony Luck <tony.luck@xxxxxxxxx>
> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
> Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>
> Cc: Helge Deller <deller@xxxxxx>
> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: linux-ia64@xxxxxxxxxxxxxxx
> Cc: linux-parisc@xxxxxxxxxxxxxxx
> Cc: linux-s390@xxxxxxxxxxxxxxx
Acked-by: Hans-Christian Egtvedt <egtvedt@xxxxxxxxxxxx>
> ---
> arch/avr32/kernel/module.c | 13 +------------
> arch/ia64/kernel/module.c | 6 ++----
> arch/parisc/kernel/module.c | 6 +-----
> arch/s390/kernel/module.c | 10 +++-------
> arch/tile/kernel/module.c | 2 +-
> include/linux/moduleloader.h | 2 ++
> kernel/module.c | 7 +++++++
> 7 files changed, 17 insertions(+), 29 deletions(-)
<snipp diff>
--
HcE
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