Re: [PATCH v5 17/22] powerpc/syscall: Do not check unsupported scv vector on PPC32

Excerpts from Christophe Leroy's message of February 9, 2021 4:13 pm: > > > Le 09/02/2021 à 03:00, Nicholas Piggin a écrit : >> Excerpts from Christophe Leroy's message of February 9, 2021 1:10 am: >>> Only PPC64 has scv. No need to check the 0x7ff0 trap on PPC32. >>> For that, add a helper trap_

Re: [PATCH v5 17/22] powerpc/syscall: Do not check unsupported scv vector on PPC32

Le 09/02/2021 à 03:00, Nicholas Piggin a écrit : Excerpts from Christophe Leroy's message of February 9, 2021 1:10 am: Only PPC64 has scv. No need to check the 0x7ff0 trap on PPC32. For that, add a helper trap_is_unsupported_scv() similar to trap_is_scv(). And ignore the scv parameter in sys

Re: [PATCH v5 17/22] powerpc/syscall: Do not check unsupported scv vector on PPC32

Excerpts from Christophe Leroy's message of February 9, 2021 1:10 am: > Only PPC64 has scv. No need to check the 0x7ff0 trap on PPC32. > For that, add a helper trap_is_unsupported_scv() similar to > trap_is_scv(). > > And ignore the scv parameter in syscall_exit_prepare (Save 14 cycles > 346 => 33

[PATCH v5 17/22] powerpc/syscall: Do not check unsupported scv vector on PPC32

Only PPC64 has scv. No need to check the 0x7ff0 trap on PPC32. For that, add a helper trap_is_unsupported_scv() similar to trap_is_scv(). And ignore the scv parameter in syscall_exit_prepare (Save 14 cycles 346 => 332 cycles) Signed-off-by: Christophe Leroy --- v5: Added a helper trap_is_unsuppo