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From: Salvatore Bonaccorso <carnil@debian.org>
To: Masahiro Yamada <masahiroy@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nicolas Schier <nicolas@fjasle.eu>
Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: make deb-pkg: Does not strip debug symbols when compressing modules
Date: Thu, 14 Dec 2023 21:15:52 +0100	[thread overview]
Message-ID: <ZXtieLq1kTs4pIbL@eldamar.lan> (raw)
In-Reply-To: <ZXthQYablvopq0su@eldamar.lan>

[-- Attachment #1: Type: text/plain, Size: 1626 bytes --]

Hi,

On Thu, Dec 14, 2023 at 09:10:41PM +0100, Salvatore Bonaccorso wrote:
> Hi
> 
> When using (only tested with XZ compression, but the others should
> behave similarly) CONFIG_MODULE_COMPRESS_XZ=y to compress the modules,
> it looks that the debug symbols are not striped.
> 
> Building with the attached test configuration results in packages:
> 
> -rw-r--r-- 1 build build  8.9M Dec 14 20:47 linux-headers-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> -rw-r--r-- 1 build build   75M Dec 14 20:48 linux-image-6.7.0-rc5+-dbg_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> -rw-r--r-- 1 build build 1014M Dec 14 20:47 linux-image-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> -rw-r--r-- 1 build build  1.3M Dec 14 20:47 linux-libc-dev_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> 
> This is odd, the linux-image-6.7.0-rc5+ package has a size of almost
> 1G and the modules are not stripped.
> 
> Switching the values instread to 
> 
> CONFIG_MODULE_COMPRESS_NONE=y
> # CONFIG_MODULE_COMPRESS_XZ is not set
> 
> the packages are again produced correctly:
> 
> -rw-r--r-- 1 build build 8.9M Dec 14 20:59 linux-headers-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> -rw-r--r-- 1 build build 819M Dec 14 21:00 linux-image-6.7.0-rc5+-dbg_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> -rw-r--r-- 1 build build  73M Dec 14 20:59 linux-image-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> -rw-r--r-- 1 build build 1.3M Dec 14 20:59 linux-libc-dev_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb

and the classical one. Missed to attach the promised attachement. The
used config is now here.

Regards,
Salvatore

[-- Attachment #2: test.config.xz --]
[-- Type: application/x-xz, Size: 55432 bytes --]

  reply	other threads:[~2023-12-14 20:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-14 20:10 make deb-pkg: Does not strip debug symbols when compressing modules Salvatore Bonaccorso
2023-12-14 20:15 ` Salvatore Bonaccorso [this message]
2023-12-15 12:13   ` Nicolas Schier
2023-12-16  1:24   ` Masahiro Yamada

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