Re: [PATCH v2 2/3] powerpc/64s: remove PROT_SAO support

2020-07-09 Thread Nicholas Piggin
Excerpts from Paul Mackerras's message of July 9, 2020 2:34 pm: > On Fri, Jul 03, 2020 at 11:19:57AM +1000, Nicholas Piggin wrote: >> ISA v3.1 does not support the SAO storage control attribute required to >> implement PROT_SAO. PROT_SAO was used by specialised system software >> (Lx86) that has

Re: [PATCH v2 2/3] powerpc/64s: remove PROT_SAO support

2020-07-08 Thread Paul Mackerras
On Fri, Jul 03, 2020 at 11:19:57AM +1000, Nicholas Piggin wrote: > ISA v3.1 does not support the SAO storage control attribute required to > implement PROT_SAO. PROT_SAO was used by specialised system software > (Lx86) that has been discontinued for about 7 years, and is not thought > to be used

[PATCH v2 2/3] powerpc/64s: remove PROT_SAO support

2020-07-02 Thread Nicholas Piggin
ISA v3.1 does not support the SAO storage control attribute required to implement PROT_SAO. PROT_SAO was used by specialised system software (Lx86) that has been discontinued for about 7 years, and is not thought to be used elsewhere, so removal should not cause problems. We rather remove it than