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

[James Hogan <james.hogan@imgtec.com>]

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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@arndb.de>
> Cc: James Hogan <james.hogan@imgtec.com>
> Cc: linux-arch@vger.kernel.org
> Cc: linux-snps-arc@lists.infradead.org
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: Mark Salter <msalter@redhat.com>
> Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
> Cc: linux-c6x-dev@linux-c6x.org
> Cc: Richard Kuo <rkuo@codeaurora.org>
> Cc: linux-hexagon@vger.kernel.org
> Cc: linux-metag@vger.kernel.org
> Cc: Jonas Bonn <jonas@southpole.se>
> Cc: linux@lists.openrisc.net
> Cc: Chen Liqin <liqin.linux@gmail.com>
> Cc: Lennox Wu <lennox.wu@gmail.com>
> Cc: Chris Metcalf <cmetcalf@mellanox.com>
> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
> Cc: Ley Foon Tan <lftan@altera.com>
> Cc: nios2-dev@lists.rocketboards.org
> Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
> Cc: uclinux-h8-devel@lists.sourceforge.jp
> Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
> Acked-by: Arnd Bergmann <arnd@arndb.de>
> Acked-by: Mark Salter <msalter@redhat.com> [c6x]
> Acked-by: James Hogan <james.hogan@imgtec.com> [metag]
> Acked-by: Ley Foon Tan <lftan@altera.com> [nios2]
> Acked-by: Stafford Horne <shorne@gmail.com> [openrisc]
> Acked-by: Will Deacon <will.deacon@arm.com> [arm64]
> Acked-by: Vineet Gupta <vgupta@synopsys.com> #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

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