Re: [PATCH 2/2] powerpc/syscalls: Split SPU-ness out of ABI

2020-06-19 Thread Arnd Bergmann
On Tue, Jun 16, 2020 at 3:56 PM Michael Ellerman wrote: > > Using the ABI field to encode whether a syscall is usable by SPU > programs or not is a bit of kludge. > > The ABI of the syscall doesn't change depending on the SPU-ness, but > in order to make the syscall generation work we have to pret

Re: [PATCH 2/2] powerpc/syscalls: Split SPU-ness out of ABI

2020-06-19 Thread Michael Ellerman
Michael Ellerman writes: > Using the ABI field to encode whether a syscall is usable by SPU > programs or not is a bit of kludge. > > The ABI of the syscall doesn't change depending on the SPU-ness, but > in order to make the syscall generation work we have to pretend that > it does. > > It also m

[PATCH 2/2] powerpc/syscalls: Split SPU-ness out of ABI

2020-06-16 Thread Michael Ellerman
Using the ABI field to encode whether a syscall is usable by SPU programs or not is a bit of kludge. The ABI of the syscall doesn't change depending on the SPU-ness, but in order to make the syscall generation work we have to pretend that it does. It also means we have more duplicated syscall lin