lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 19 Dec 2011 16:33:38 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Dave Martin <dave.martin@...aro.org>
Cc:	Mircea Gherzan <mgherzan@...il.com>, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] ARM: net: JIT compiler for packet filters

Hello,

On Mon, Dec 19, 2011 at 03:24:18PM +0000, Dave Martin wrote:
> On Mon, Dec 19, 2011 at 04:19:58PM +0100, Uwe Kleine-K?nig wrote:
> > On Mon, Dec 19, 2011 at 12:50:21PM +0000, Dave Martin wrote:
> > > On Mon, Dec 19, 2011 at 09:40:30AM +0100, Mircea Gherzan wrote:
> > > > Based of Matt Evans's PPC64 implementation.
> > > Note that it's fine to have the JIT generating ARM code, even if the rest
> > > if the kernel is Thumb-2.  This would only start to cause problems if we
> > > want to do things like set kprobes in the JITted code, or unwind out of
> > > the JITted code.
> > or use a CPU that doesn't speak ARM (e.g. v7M)
> 
> Indeed... I was assuming though that that would be out of scope for the
> first iteration of this code.
Right, depending on !THUMB2 is fine. Only generating ARM code with
THUMB2=y is not.

Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists