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SubjectRe: [PATCH v7 0/5] parisc: system call table generation support
Hi Helge,

On Fri, 16 Nov 2018 at 01:01, Helge Deller <deller@gmx.de> wrote:
>
> On 14.11.2018 07:34, Firoz Khan 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 alpha, ia64,
> > m68k, microblaze, mips, 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 v6:
> > - changed from generic-y to generated-y in Kbuild.
> >
> > changes since v5:
> > - optimized/updated the syscall table generation
> > scripts.
> > - fixed all mixed indentation issues in syscall.tbl.
> > - added "comments" in syscall_*.tbl.
> >
> > changes since v4:
> > - optimized/updated the syscall table generation
> > scripts.
> > - removed __IGNORE entries which was added in v2
> > to suppress the warning.
> >
> > changes since v3:
> > - optimized/updated the syscall table generation
> > scripts.
> > - added missing new line.
> >
> > changes since v2:
> > - updated the syscall.tbl file by including missed
> > entries.
> >
> > changes since v1:
> > - enclosed __NR_sycalls macro with __KERNEL__.
> >
> > Firoz Khan (5):
> > parisc: move __IGNORE* entries to non uapi header
> > parisc: add __NR_syscalls along with __NR_Linux_syscalls
> > parisc: add system call table generation support
> > parisc: generate uapi header and system call table files
> > parisc: syscalls: ignore nfsservctl for other architectures
>
> Firoz, you may add
> Acked-by: Helge Deller <deller@gmx.de>
> to the whole parisc series.

Sure, will do.
I'm on a vacation right now. will send mid next week.

Thanks
Firoz

>
> Thanks!
> Helge
>
>
>
> > arch/parisc/Makefile | 3 +
> > arch/parisc/include/asm/Kbuild | 3 +
> > arch/parisc/include/asm/unistd.h | 8 +
> > arch/parisc/include/uapi/asm/Kbuild | 2 +
> > arch/parisc/include/uapi/asm/unistd.h | 382 +------------------------
> > arch/parisc/kernel/syscall.S | 11 +-
> > arch/parisc/kernel/syscall_table.S | 459 ------------------------------
> > arch/parisc/kernel/syscalls/Makefile | 57 ++++
> > arch/parisc/kernel/syscalls/syscall.tbl | 369 ++++++++++++++++++++++++
> > arch/parisc/kernel/syscalls/syscallhdr.sh | 36 +++
> > arch/parisc/kernel/syscalls/syscalltbl.sh | 36 +++
> > scripts/checksyscalls.sh | 1 +
> > 12 files changed, 531 insertions(+), 836 deletions(-)
> > delete mode 100644 arch/parisc/kernel/syscall_table.S
> > create mode 100644 arch/parisc/kernel/syscalls/Makefile
> > create mode 100644 arch/parisc/kernel/syscalls/syscall.tbl
> > create mode 100644 arch/parisc/kernel/syscalls/syscallhdr.sh
> > create mode 100644 arch/parisc/kernel/syscalls/syscalltbl.sh
> >
>

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