[PATCH 1/2] ARM: include Thumb2 bit in PROCINFO setup function offset

[Russell King - ARM Linux]

On Tue, Apr 21, 2015 at 12:08:51PM +0200, Ard Biesheuvel wrote:
> This updates the PROCINFO offset-to-setup-function fields of the
> Thumb2 capable CPU definitions to include the Thumb bit when building
> a Thumb2 kernel. This ensures that these function are always called
> in the correct mode.

I don't think this is necessary, in fact, I think this is positively
regression causing.

The symbol 'initfunc' is known to the assembler to be a thumb symbol.
As we have seen already from the kernel dumps from the V7M kernel, when
it calculates initfunc - name in a T2 kernel, the resulting value is an
_odd_ number.

Using BSYM() here will increment it to be the next _even_ number, which
is wrong as this will potentially point at either half way through a
32-bit T2 instruction, or the second 16-bit T2 instruction.

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