powerpc/tm: Drop tm_orig_msr from thread_struct

[Michael Ellerman]

On Mon, 2015-06-07 at 10:54:10 UTC, Anshuman Khandual wrote:
> Currently tm_orig_msr is getting used during process context switch only.
> Then there is ckpt_regs which saves the checkpointed userspace context
> The MSR slot contained in ckpt_regs structure can be used during process
> context switch instead of tm_orig_msr, thus allowing us to drop it from
> thread_struct structure. This patch does that change.
> 
> Acked-by: Michael Neuling <mikey at neuling.org>
> Signed-off-by: Anshuman Khandual <khandual at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/829023df86d4ec39b110

cheers