Re: __ARM_ARCH_2__

[Alexander Shiyan]

> On Thu, Aug 08, 2013 at 09:27:19AM +0100, Russell King - ARM Linux wrote:
> > On Thu, Aug 08, 2013 at 10:08:02AM +0800, zhaobin xv wrote:
> > > I don't know what the"__ARM_ARCH_2__" mean?
> > > "__ARM_ARCH_2__" is definded by gcc or definded byarmlinux?
> > > where does it come from? what does it want to do?
> > 
> > You could try a few things before posting:
> > 
> > 1. You could try grepping the kernel source to find out if anything
> >    in the kernel defines it.
> > 2. You could try asking google and seeing what it returns.
> > 
> > Either of those will tell you that it's not defined by the kernel but by
> > the compiler.  For me, the first link on google explains it really well.
> 
> Should that code go away?  I believe we don't support v2 or v3 any more...
> Did teqp actually work in 32-bit modes?

"ARM: 7770/1: remove residual ARMv2 support from decompressor":
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/arch/arm/boot/compressed/head.S?id=52c08a9e399739979027ea1e463f5529476da104

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