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

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Message-ID: <AE90C24D6B3A694183C094C60CF0A2F6D8AF25@saturn3.aculab.com>
Date:	Thu, 22 Dec 2011 17:34:27 -0000
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Dave Martin" <dave.martin@...aro.org>,
	"Mircea Gherzan" <mgherzan@...il.com>
Cc:	<linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>,
	<linux@....linux.org.uk>
Subject: RE: [PATCH v2] ARM: net: JIT compiler for packet filters

> In principle, the condition could be __LINUX_ARM_ARCH__ < 5, since the
> bx instruction is guaranteed to be available on all ARMv5 CPUs and
> later (ARMv5T is not required).

Can't this code look at the actual cpu being used, and
generate the relevant 'return' instruction?
(Instead of trying to use some compile-time value.)

	David


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