Re: [PATCH v5 2/2] powerpc/64: Prevent stack protection in early boot

2020-03-18 Thread Michael Ellerman
Daniel Axtens writes: > Michael Ellerman writes: > >> The previous commit reduced the amount of code that is run before we >> setup a paca. However there are still a few remaining functions that >> run with no paca, or worse, with an arbitrary value in r13 that will >> be used as a paca pointer.

Re: [PATCH v5 2/2] powerpc/64: Prevent stack protection in early boot

2020-03-18 Thread Daniel Axtens
Michael Ellerman writes: > The previous commit reduced the amount of code that is run before we > setup a paca. However there are still a few remaining functions that > run with no paca, or worse, with an arbitrary value in r13 that will > be used as a paca pointer. > > In particular the stack pr