linux-kernel - Re: [PATCH 1/6] openrisc: add Kconfig for l.lwa and l.swa atomic instructions

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Message-ID: <20140723222601.51a8b788@alan.etchedpixels.co.uk>
Date:	Wed, 23 Jul 2014 22:26:01 +0100
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>
Cc:	linux-kernel@...r.kernel.org, linux@...nrisc.net,
	jonas@...thpole.se
Subject: Re: [PATCH 1/6] openrisc: add Kconfig for l.lwa and l.swa atomic
 instructions

> +config OPENRISC_HAVE_INST_LWA_SWA
> +	bool "Have instruction l.lwa and l.swa"
> +	help
> +	  Select this if your implementation have l.lwa and l.swa atomic
> +	  instructions.
> +
>  endmenu

Please do everyone a favour - sort all these out at runtime, add an
architectural feature bits ROM address or catch the traps and use the
alterntatives logic or something.

Alan

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