From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC] ARM: option for loading modules into vmalloc area
Date: Wed, 19 Nov 2014 16:59:48 +0000 [thread overview]
Message-ID: <20141119165948.GM4042@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <alpine.LFD.2.11.1411191152340.11690@knanqh.ubzr>
On Wed, Nov 19, 2014 at 11:57:15AM -0500, Nicolas Pitre wrote:
> On Wed, 19 Nov 2014, Russell King - ARM Linux wrote:
> > I don't think I ever did, because its pretty much impossible to do as I
> > explained in a follow up to this thread.
> >
> > We _used_ to do this with the userspace insmod methods, but since we got
> > this kernel-side linker, it's been pretty much impossible to do without
> > rewriting the module code. That's not going to happen on account of one
> > quirky architecture which Linus doesn't particularly like.
>
> Still... We could try adding a hook in the generic module linker code
> for a pre-relocation pass. Maybe only ARM would use it, but if the need
> to load big modules is real then I imagine Linus could be amenable to a
> compromise.
So, how big a table would you allocate for the trampolines, based upon
not knowing anything about the module being loaded? 4K? 8K? 64K?
--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2014-11-19 16:59 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-18 16:21 [PATCH RFC] ARM: option for loading modules into vmalloc area Konstantin Khlebnikov
2014-11-18 17:34 ` Russell King - ARM Linux
2014-11-18 18:13 ` Konstantin Khlebnikov
2014-11-19 13:40 ` Arnd Bergmann
2014-11-19 14:54 ` Ard Biesheuvel
2014-11-19 15:52 ` Konstantin Khlebnikov
2014-11-19 16:02 ` Ard Biesheuvel
2014-11-19 16:07 ` Russell King - ARM Linux
2014-11-19 16:25 ` Ard Biesheuvel
2014-11-19 16:32 ` Konstantin Khlebnikov
2014-11-19 16:38 ` Ard Biesheuvel
2014-11-19 16:55 ` Russell King - ARM Linux
2014-11-19 16:59 ` Nicolas Pitre
2014-11-19 16:41 ` Russell King - ARM Linux
2014-11-19 16:37 ` Nicolas Pitre
2014-11-19 16:41 ` Ard Biesheuvel
2014-11-19 16:49 ` Russell King - ARM Linux
2014-11-19 16:57 ` Nicolas Pitre
2014-11-19 16:59 ` Russell King - ARM Linux [this message]
2014-11-19 17:12 ` Nicolas Pitre
2014-11-19 17:59 ` Ard Biesheuvel
2014-11-19 18:22 ` Nicolas Pitre
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