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From: Hans-Christian Egtvedt <egtvedt@samfundet.no>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-kernel@vger.kernel.org, Chris Metcalf <cmetcalf@ezchip.com>,
	Haavard Skinnemoen <hskinnemoen@gmail.com>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	"James E.J. Bottomley" <jejb@parisc-linux.org>,
	Helge Deller <deller@gmx.de>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org,
	linux-s390@vger.kernel.org
Subject: Re: [PATCH 1/3] module_arch_freeing_init(): new hook for archs before module->module_init freed.
Date: Thu, 8 Jan 2015 08:55:24 +0100	[thread overview]
Message-ID: <20150108075524.GA24522@samfundet.no> (raw)
In-Reply-To: <1420678687-30548-2-git-send-email-rusty@rustcorp.com.au>

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@rustcorp.com.au>
> Cc: Chris Metcalf <cmetcalf@ezchip.com>
> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
> Cc: Tony Luck <tony.luck@intel.com>
> Cc: Fenghua Yu <fenghua.yu@intel.com>
> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
> Cc: Helge Deller <deller@gmx.de>
> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-ia64@vger.kernel.org
> Cc: linux-parisc@vger.kernel.org
> Cc: linux-s390@vger.kernel.org

Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>

> ---
>  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

  reply	other threads:[~2015-01-08  7:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-08  0:58 [PATCH 0/3] Module load failure race fix Rusty Russell
2015-01-08  0:58 ` [PATCH 1/3] module_arch_freeing_init(): new hook for archs before module->module_init freed Rusty Russell
2015-01-08  7:55   ` Hans-Christian Egtvedt [this message]
2015-01-13 21:11   ` Helge Deller
2015-01-08  0:58 ` [PATCH 2/3] module: remove mod arg from module_free, rename module_memfree() Rusty Russell
2015-01-08  0:58 ` [PATCH 3/3] module: fix race in kallsyms resolution during module load success Rusty Russell

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