Re: [PATCH v3 0/5] alpha: system call table generation support

From: Matt Turner <mattst88@gmail.com>
To: Firoz Khan <firoz.khan@linaro.org>
Cc: linux-alpha <linux-alpha@vger.kernel.org>,
	Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Thomas Gleixner <tglx@linutronix.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Philippe Ombredanne <pombredanne@nexb.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	y2038 Mailman List <y2038@lists.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux-Arch <linux-arch@vger.kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Deepa Dinamani <deepa.kernel@gmail.com>,
	Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Subject: Re: [PATCH v3 0/5] alpha: system call table generation support
Date: Wed, 19 Dec 2018 10:59:10 -0500	[thread overview]
Message-ID: <CAEdQ38FQNC0mnf6UWOeandwR2guLRGmbYaJAo8MrEKFn2U61Gw@mail.gmail.com> (raw)
In-Reply-To: <CALxhOngxbsYFSbK1Y0okuiTmjWEQ8Zcd4vQ0OezhXBgXH82DtA@mail.gmail.com>

On Fri, Dec 14, 2018 at 10:18 AM Firoz Khan <firoz.khan@linaro.org> wrote:
>
> Hi Folks,
>
> On Tue, 13 Nov 2018 at 15:02, Firoz Khan <firoz.khan@linaro.org> wrote:
> >
> > The purpose of this patch series is, we can easily
> > add/modify/delete system call table support by cha-
> > nging entry in syscall.tbl file instead of manually
> > changing many files. The other goal is to unify the
> > system call table generation support implementation
> > across all the architectures.
> >
> > The system call tables are in different format in
> > all architecture. It will be difficult to manually
> > add, modify or delete the system calls in the resp-
> > ective files manually. To make it easy by keeping a
> > script and which'll generate uapi header file and
> > syscall table file.
> >
> > syscall.tbl contains the list of available system
> > calls along with system call number and correspond-
> > ing entry point. Add a new system call in this arch-
> > itecture will be possible by adding new entry in the
> > syscall.tbl file.
> >
> > Adding a new table entry consisting of:
> >         - System call number.
> >         - ABI.
> >         - System call name.
> >         - Entry point name.
> >
> > ARM, s390 and x86 architecuture does exist the sim-
> > ilar support. I leverage their implementation to
> > come up with a generic solution.
> >
> > I have done the same support for work for ia64, m68k,
> > microblaze, mips, parisc, powerpc, sh, sparc and xtensa.
> > Below mentioned git repository contains more details
> > about the workflow.
> >
> > https://github.com/frzkhn/system_call_table_generator/
> >
> > Finally, this is the ground work to solve the Y2038
> > issue. We need to add two dozen of system calls to
> > solve Y2038 issue. So this patch series will help to
> > add new system calls easily by adding new entry in
> > the syscall.tbl.
> >
> > changes since v2:
> >  - changed from generic-y to generated-y in Kbuild.
> >  - made changes in syscall.tbl for removing entry -
> >    alpha_ni_syscall.
> >
> > changes since v1:
> >  - optimized/updated the syscall table generation
> >    scripts.
> >  - fixed all mixed indentation issues in syscall.tbl.
> >  - added "comments" in syscall.tbl.
> >  - enclosed __NR_sycalls macro with __KERNEL__.
> >  - added missing new line.
> >
> > Firoz Khan (5):
> >   alpha: move __IGNORE* entries to non uapi header
> >   alpha: remove CONFIG_OSF4_COMPAT flag from syscall table
> >   alpha: add __NR_syscalls along with NR_SYSCALLS
> >   alpha: add system call table generation support
> >   alpha: generate uapi header and syscall table header files
>
> Could someone review this patch series and queue it for 4.21
> through alpha tree would be great.

Thank you! I'll take a look.