Re: [PATCH] riscv: add asm/unistd.h UAPI header

[Marcin Juszkiewicz]

W dniu 05.11.2018 oÂ15:26, David Abdurachmanov pisze:
> Marcin Juszkiewicz reported issues while generating syscall table for riscv
> using 4.20-rc1. The patch refactors our unistd.h files to match some other
> architectures.
> 
> - Add asm/unistd.h UAPI header, which has __ARCH_WANT_NEW_STAT
> - Remove asm/syscalls.h UAPI header and merge to asm/unistd.h
> - Adjust kernel asm/unistd.h
> 
> So now asm/unistd.h UAPI header should show all syscalls for riscv.
> 
> Before this, Makefile simply put `#include <asm-generic/unistd.h>` into
> generated asm/unistd.h UAPI header thus user didn't see:
> 
> - __NR_riscv_flush_icache
> - __NR_newfstatat
> - __NR_fstat
> 
> which are supported by riscv kernel.

Tested-by: Marcin Juszkiewicz <marcin.juszkiewicz@xxxxxxxxxx>

With patch applied I got proper syscall data:

fstat  80
newfstatat     79
riscv_flush_icache     259