[PATCH v2] ARM: net: JIT compiler for packet filters

[Uwe Kleine-König]

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

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