Re: AMD64: 64 bit kernel 32 bit userland - some pending questions

[Thomas Glanzmann <sithglan@stud.uni-erlangen.de>]

Hello Andi,

> The main caveat is that iptables and ipsec need 64bit executables to
> be set up. The rest should work.

I see. But that isn't a showstopper for me because I can compile
iptables myself and the machines are protected through another firewall
anyway.

> The default is 4GB, but you can get 3GB by running it under linux32
> --3gb

4 Gbyte is fine for me.

> The 64bit kernel never uses highmem.

I see, it wouldn't make any sense.

> If all fails you can get a cross compiler from crosstool.
> Then normal kernel compilation command with 

> make ... ARCH=x86_64 CROSS_COMPILE=x86_64-linux-

I see.

Thanks a lot for your feedback,
                                Thomas