On Thursday 07 August 2003 06:21,
guo@unication.com.cn wrote:
> If I affronted those kind people because my unwisdom and impertinence, I
> apologize to every one very cordially. I always remember following phases
> that D. Richard Hipp's ( www.sqlite.org ) blessing: May you do good and
> not evil.
> May you find forgiveness for yourself and forgive others.
> May you share freely, never taking more than you give.
> I don't know how to express my mind in English. My mother language is
> Chinese. My English is so poor.
It's quite clear. No problem. I was just a little bit nerved.
> > Technical stuff:
> >
> > Where does the compile _exactly_ fail ? Which version of MTD _excactly_ ?
> > How did you patch your kernel _exactly_ with MTD ?
>
> I checked out MTD by cvs almost everyday, so maybe the latest snapshot
> version. At this day, I try it again:
> I patched it by "sh patchin.sh -c -j kernel-patch"
> When I patched it to kernel 2.4.21, compiling succeed.
> When I patched it to kernel 2.4.18, error occurred when link vmlinux.
> Message is BUG_ON undefined at put_mtd_device. I grep whole kernel tree and
> cvs mtd tree, then did not find macro BUG_ON. I guess it just like ASSERT
> macro, so I comment every BUG_ON, and re-build kernel. compiling succed. so
> I "grep -rw BUG_ON 2.4.21/include" and find 2.4.21/include/linux/kernel.h
> has BUG_ON definition. How about think about this?
MTD is just following the ongoing kernel development. 2.4.18 is an "ancient"
kernel and has several functions / macros not implemented. You can either
backport those functions or use 2.4.21.
Why don't you want to use 2.4.21 ?
By specifying 2.4.18 you are explicitly saying you _want_ to use old
broken code and you don't want bug-fixes. So just use the MTD code that
is _in_ 2.4.18. Or upgrade your kernel.
--
Thomas
________________________________________________________________________
linutronix - competence in embedded & realtime linux
http://www.linutronix.de
mail:
tglx@linutronix.de
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