Hi,
On Wed, 10 Jan 2007, Linus Torvalds wrote:
> This part:
>
> const char __init linux_banner[] =
>
> CANNOT work, because the stupid SuSE tool that look into the kernel binary
> searches for "Linux version " as the thing, and as such the "linux_banner"
> has to be the _first_ thing to trigger it for it to work.
Unless the SuSE tool is completely stupid, it should actually work:
$ strings vmlinux | grep "Linux version"
Linux version 2.6.20-rc3-git7 (roman@squid) (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) #7 SMP Wed Jan 10 14:20:10 CET 2007
$
> Which is why "__init" is wrong. It causes the linker to either put it at
> the end of the thing (which would break the SuSE tool). Alternatively it
> causes section mismatch problems ("init" and "const" don't work that well
> together), in which case it might work, but only due to toolchain bugs.
The const could be dropped, but it shouldn't hurt much either...
bye, Roman
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