On Mon, 2023-09-11 at 18:02 +0000, Sohil Mehta wrote: > diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl > b/arch/powerpc/kernel/syscalls/syscall.tbl > index 20e50586e8a2..2767b8a42636 100644 > --- a/arch/powerpc/kernel/syscalls/syscall.tbl > +++ b/arch/powerpc/kernel/syscalls/syscall.tbl > @@ -539,3 +539,4 @@ > 450 nospu set_mempolicy_home_node sys_set_mempolicy_hom > e_node > 451 common cachestat sys_cachestat > 452 common fchmodat2 sys_fchmodat2 > +453 common map_shadow_stack sys_map_shadow_stack I noticed in powerpc, the not implemented syscalls are manually mapped to sys_ni_syscall. It also has some special extra sys_ni_syscall() implementation bits to handle both ARCH_HAS_SYSCALL_WRAPPER and !ARCH_HAS_SYSCALL_WRAPPER. So wondering if it might need special treatment. Did you see those parts?
