Re: [PATCH 03/20] asm-generic: Drop getrlimit and setrlimit syscalls from default list

[Yury Norov <ynorov-M3mlKVOIwJVv6pq1l3V1OdBPR1lH4CV8@public.gmane.org>]

On Mon, Jun 05, 2017 at 03:44:06PM +0100, James Hogan wrote:
> Hi Yury,
> 
> On Sun, Jun 04, 2017 at 02:59:52PM +0300, 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.
> > 
> > Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
> > Cc: James Hogan <james.hogan-1AXoQHu6uovQT0dZR+AlfA@public.gmane.org>
> > Cc: linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > Cc: linux-snps-arc-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
> > Cc: Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>
> > Cc: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
> > Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
> > Cc: Mark Salter <msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> > Cc: Aurelien Jacquiot <a-jacquiot-l0cyMroinI0@public.gmane.org>
> > Cc: linux-c6x-dev-jPsnJVOj+W6hPH1hqNUYSQ@public.gmane.org
> > Cc: Richard Kuo <rkuo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
> > Cc: linux-hexagon-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > Cc: linux-metag-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > Cc: Jonas Bonn <jonas-A9uVI2HLR7kOP4wsBPIw7w@public.gmane.org>
> > Cc: linux-ZwoEplunGu2h2975yA52AaxOck334EZe@public.gmane.org
> > Cc: Chen Liqin <liqin.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > Cc: Lennox Wu <lennox.wu-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > Cc: Chris Metcalf <cmetcalf-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > Cc: Guan Xuetao <gxt-TG0Ac1+ktVePQbnJrJN+5g@public.gmane.org>
> > Cc: Ley Foon Tan <lftan-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org>
> > Cc: nios2-dev-g9ZBwUv/Ih/yUk5EbOjzuce+I+R0W71w@public.gmane.org
> > Cc: Yoshinori Sato <ysato-Rn4VEauK+AKRv+LV9MX5uooqe+aC9MnS@public.gmane.org>
> > Cc: uclinux-h8-devel-5NWGOfrQmneRv+LV9MX5uooqe+aC9MnS@public.gmane.org
> > Signed-off-by: Yury Norov <ynorov-M3mlKVOIwJVv6pq1l3V1OdBPR1lH4CV8@public.gmane.org>
> > Acked-by: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
> > Acked-by: Mark Salter <msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> [c6x]
> > Acked-by: James Hogan <james.hogan-1AXoQHu6uovQT0dZR+AlfA@public.gmane.org> [metag]
> > Acked-by: Ley Foon Tan <lftan-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org> [nios2]
> > Acked-by: Stafford Horne <shorne-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> [openrisc]
> > Acked-by: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org> [arm64]
> > Acked-by: Vineet Gupta <vgupta-HKixBCOQz3hWk0Htik3J/w@public.gmane.org> #arch/arc bits
> > ---
> >  arch/arc/include/uapi/asm/unistd.h       | 1 +
> >  arch/arm64/include/uapi/asm/unistd.h     | 1 +
> >  arch/c6x/include/uapi/asm/unistd.h       | 1 +
> >  arch/h8300/include/uapi/asm/unistd.h     | 1 +
> >  arch/hexagon/include/uapi/asm/unistd.h   | 1 +
> >  arch/metag/include/uapi/asm/unistd.h     | 1 +
> >  arch/nios2/include/uapi/asm/unistd.h     | 1 +
> >  arch/openrisc/include/uapi/asm/unistd.h  | 1 +
> >  arch/score/include/uapi/asm/unistd.h     | 1 +
> >  arch/tile/include/uapi/asm/unistd.h      | 1 +
> >  arch/unicore32/include/uapi/asm/unistd.h | 1 +
> >  include/uapi/asm-generic/unistd.h        | 5 +++++
> 
> Don't forget to add __IGNORE_getrlimit and __IGNORE_setrlimit to
> scripts/checksyscalls.sh, or you'll get warnings about missing syscalls.
> 
> Cheers
> James

Hi James,

Thanks for the hint.

Yury