Re: [PATCH 5/5] powerpc/tm: Clarify get_tm_stackpointer() by renaming it

2015-11-16 Thread Michael Ellerman
On Fri, 2015-11-13 at 15:57 +1100, Michael Neuling wrote: > get_tm_stackpointer() gets the userspace stack pointer which the > signal frame will be written from pt_regs. To do this it performs a > tm_reclaim to access the checkpointed stack pointer. > > Doing a tm_reclaim is an important operatio

[PATCH 5/5] powerpc/tm: Clarify get_tm_stackpointer() by renaming it

2015-11-12 Thread Michael Neuling
get_tm_stackpointer() gets the userspace stack pointer which the signal frame will be written from pt_regs. To do this it performs a tm_reclaim to access the checkpointed stack pointer. Doing a tm_reclaim is an important operation which changes the machine state. Doing this in the wrong state or