Re: [PATCH] arm: Replace CONFIG_HAS_TLS_REG with HWCAP_TLS and check for it on V6

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Subject: Re: [PATCH] arm: Replace CONFIG_HAS_TLS_REG with HWCAP_TLS and check for it on V6
From: Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>
Date: Fri, 19 Mar 2010 08:54:04 +0000
Cc: Tony Lindgren <tony@xxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, linux-omap@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20100319034645.GG14108@xxxxxxxxxxxxx>
References: <20100317175731.GE2900@xxxxxxxxxxx> <1268849278.19565.28.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20100317191114.GH2900@xxxxxxxxxxx> <1268910826.15334.32.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20100318170021.GN2900@xxxxxxxxxxx> <20100319013521.GP2900@xxxxxxxxxxx> <20100319034645.GG14108@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.19 (2009-01-05)

On Fri, Mar 19, 2010 at 03:46:45AM +0000, Jamie Lokier wrote:
> I'm thinking, why not an alternative() macro like on x86, which is a
> very nice way to describe run-time patches of one or a few instructions
> which depend on arch feature bits.

Having XIP support prevents that kind of thing.
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