Re: [PATCH] asm-generic: Drop getrlimit and setrlimit syscalls from default list

From: Arnd Bergmann
Date: Sat Oct 29 2016 - 17:06:12 EST


On Saturday, October 22, 2016 3:14:04 PM CEST Yury Norov wrote:
> The newer prlimit64 syscall provides all the functionality provided by
> the getrlimit and setrlimit syscalls and adds the pid of target process,
> so future architectures won't need to include getrlimit and setrlimit.
>
> Therefore drop getrlimit and setrlimit syscalls from the generic syscall
> list unless __ARCH_WANT_SET_GET_RLIMIT is defined by the architecture's
> unistd.h prior to including asm-generic/unistd.h, and adjust all
> architectures using the generic syscall list to define it so that no
> in-tree architectures are affected.

The patch looks good, but shouldn't we also hide the actual syscall
implementation if the symbol is not set? It's just dead code otherwise
for new architectures.

Arnd