linux-kernel - Re: [PATCH] x86, build: Make genimage.sh little more quite

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Date:   Wed, 8 Nov 2017 10:01:37 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     changbin.du@...el.com
Cc:     mingo@...hat.com, hpa@...or.com, tglx@...utronix.de,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86, build: Make genimage.sh little more quite


* changbin.du@...el.com <changbin.du@...el.com> wrote:

> From: Changbin Du <changbin.du@...el.com>
> 
> This change suppresses the 'dd' output and adds '-quite' parameter
> to mkisofs tool. None of the messages matter to the user. Now:
> 
> $ make isoimage
> ...
> Kernel: arch/x86/boot/bzImage is ready  (#75)
>   GENIMAGE arch/x86/boot/image.iso
> Using /usr/lib/ISOLINUX/isolinux.bin
> Using /usr/lib/syslinux/modules/bios/ldlinux.c32
> Kernel: arch/x86/boot/image.iso is ready

Could you please also remove the other unnecessary lines as well, from the default 
build log:

> Using /usr/lib/ISOLINUX/isolinux.bin
> Using /usr/lib/syslinux/modules/bios/ldlinux.c32
> Kernel: arch/x86/boot/image.iso is ready

The build process is using a ton of files and we don't list them. Maybe print them 
when V=1, but not by default.

The only lines printed should be:

> Kernel: arch/x86/boot/bzImage is ready  (#75)
>   GENIMAGE arch/x86/boot/image.iso

Users are totally not interested in the details. They want to see a single line of 
output about which file is being built, but that's it.

Thanks,

	Ingo