[PATCH 1/2] arm: Replace CONFIG_HAS_TLS_REG with HWCAP_TLS and check for it on V6

Tony Lindgren tony at atomide.com
Mon Jul 5 09:55:27 EDT 2010


* Tony Lindgren <tony at atomide.com> [100702 13:32]:
> * Nicolas Pitre <nico at fluxnic.net> [100702 05:31]:
> > On Thu, 1 Jul 2010, Jamie Lokier wrote:
> > 
> > > Tony Lindgren wrote:
> > > > +static void __init kuser_get_tls_init(unsigned long vectors)
> > > > +{
> > > > +	/*
> > > > +	 * vectors + 0xfe0 = __kuser_get_tls
> > > > +	 * vectors + 0xfe8 = hardware TLS instruction at 0xffff0fe8
> > > > +	 */
> > > > +	if (tls_emu || has_tls)
> > > > +		memcpy((void *)vectors + 0xfe0, (void *)vectors + 0xfe8, 4);
> > > > +}
> > > 
> > > Just a little opinion: Perhaps has_tls_reg would be a clearer name.
> > > All variants "have TLS" after all.
> > 
> > Good point.
> 
> I like that too. Updated patch below.

I've uploaded this patch into Russell's patch system:

http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=6207/1

Jamie, assuming no more comments, do you care to Ack/Reviewed/Tested-by
the patch in the link above?

Regards,

Tony



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