Re: [PATCH 2/6] powerpc/64s: Add support for ori barrier_nospec patching

2018-05-01 Thread Michael Ellerman
Michal Suchánek writes: > On Tue, 24 Apr 2018 14:15:55 +1000 > Michael Ellerman wrote: > >> From: Michal Suchanek >> >> Based on the RFI patching. This is required to be able to disable the >> speculation barrier. > > why do you not patch the nospec barrier which is included as part of > the RF

Re: [PATCH 2/6] powerpc/64s: Add support for ori barrier_nospec patching

2018-04-26 Thread Michal Suchánek
Hello, On Tue, 24 Apr 2018 14:15:55 +1000 Michael Ellerman wrote: > From: Michal Suchanek > > Based on the RFI patching. This is required to be able to disable the > speculation barrier. why do you not patch the nospec barrier which is included as part of the RFI flush code? I think when deb