[RFC PATCH 24/27] powerpc/64s: interrupt return in C

2019-09-14 Thread Nicholas Piggin
Implement the bulk of interrupt return logic in C. The asm return code must handle a few cases: restoring full GPRs, and emulating stack store. The asm return code is moved into 64e for now. The new logic has made allowance for 64e, but I don't have a full environment that works well to test it, a

Re: [RFC PATCH 24/27] powerpc/64s: interrupt return in C

2019-10-02 Thread Michal Suchánek
On Sun, Sep 15, 2019 at 11:28:10AM +1000, Nicholas Piggin wrote: > Implement the bulk of interrupt return logic in C. The asm return code > must handle a few cases: restoring full GPRs, and emulating stack store. > > The asm return code is moved into 64e for now. The new logic has made > allowance