[PATCH] powerpc: Fix tabort usage in syscalls

[Tulio Magno Quites Machado Filho]

"Paul E. Murphy" <murphyp@linux.vnet.ibm.com> writes:

> Fix usage of tabort in generated syscalls.  r0 has special meaning
> when used with this instruction, thus it will not generate
> persistent errors, nor return an error code.  This mitigates poor
> CPU usage when performing elided critical sections.
>
> Additionally, transactions should be aborted when entering a user
> invoked syscall.  Otherwise the results of the transaction may be
> undefined.

This patch looks very good in theory, but it seems your mail client broke the
patch and git is now complaining.
Could you send a new version, please?

-- 
Tulio Magno