linux-kernel - Re: [PATCH 3/3] microblaze: uapi header and system call table file generation

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Message-ID: <27544098-abc8-db2e-5625-179d13fa63df@xilinx.com>
Date:   Thu, 9 Aug 2018 09:12:31 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     Firoz Khan <firoz.khan@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>
CC:     <y2038@...ts.linaro.org>, <linux-kernel@...r.kernel.org>,
        <linux-arch@...r.kernel.org>, <arnd@...db.de>,
        <deepa.kernel@...il.com>, <marcin.juszkiewicz@...aro.org>
Subject: Re: [PATCH 3/3] microblaze: uapi header and system call table file
 generation

On 9.8.2018 07:27, Firoz Khan wrote:
> System call table generation script must be run to generate
> unistd_32.h and syscall_table.h files. This patch will have
> changes which will invokes the script.
> 
> This patch will generate unistd_32.h and syscall_table.h
> files by the syscall table generation script invoked by
> arch/microblaze/Makefile and the generated files against the
> removed files will be identical.
> 
> The generated uapi header file will be included in
> uapi/asm/unistd.h and generated system call table support
> file will be included by microblaze/kernel/syscall.S file.
> 
> Signed-off-by: Firoz Khan <firoz.khan@...aro.org>
> ---
>  arch/microblaze/Makefile                  |   3 +
>  arch/microblaze/include/asm/Kbuild        |   2 +
>  arch/microblaze/include/uapi/asm/Kbuild   |   2 +
>  arch/microblaze/include/uapi/asm/unistd.h | 409 +-----------------------------
>  arch/microblaze/kernel/syscall_table.S    | 406 +----------------------------
>  5 files changed, 12 insertions(+), 810 deletions(-)
> 
> diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
> index d269dd4b..6121a2b 100644
> --- a/arch/microblaze/Makefile
> +++ b/arch/microblaze/Makefile
> @@ -81,6 +81,9 @@ all: linux.bin
>  archclean:
>  	$(Q)$(MAKE) $(clean)=$(boot)
>  
> +archheaders:
> +	$(Q)$(MAKE) $(build)=arch/microblaze/kernel/syscalls all
> +
>  linux.bin linux.bin.gz linux.bin.ub: vmlinux
>  	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
>  
> diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
> index fe6a6c6..99225ab 100644
> --- a/arch/microblaze/include/asm/Kbuild
> +++ b/arch/microblaze/include/asm/Kbuild
> @@ -30,3 +30,5 @@ generic-y += trace_clock.h
>  generic-y += vga.h
>  generic-y += word-at-a-time.h
>  generic-y += xor.h
> +
> +generated-y += syscall_table.h
> \ No newline at end of file

This doesn't look right.


> diff --git a/arch/microblaze/include/uapi/asm/Kbuild b/arch/microblaze/include/uapi/asm/Kbuild
> index 2c6a6bf..8fe26a3 100644
> --- a/arch/microblaze/include/uapi/asm/Kbuild
> +++ b/arch/microblaze/include/uapi/asm/Kbuild
> @@ -28,3 +28,5 @@ generic-y += termbits.h
>  generic-y += termios.h
>  generic-y += types.h
>  generic-y += ucontext.h
> +
> +generated-y += unistd_32.h
> \ No newline at end of file

ditto.

Thanks,
Michal