Re: [PATCH] UML + High-Res-Timers on 2.4.25 kernel

[George Anzinger <george@mvista.com>]

Serge Goodenko wrote:
> Hello!
> 
> I am trying to compile 2.4.25 UML kernel together with High Resolution Timers patch and it fails to compile saying the following during linking:
> 
> gcc -Wl,-T,arch/um/link.ld -static -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc \
>         -o linux arch/um/main.o vmlinux.o -L/usr/lib -lutil
> vmlinux.o(.text+0x2688): In function `schedule_timeout':
> /usr/src/linux-2.4.25/kernel/sched.c:443: undefined reference to `jiffies'
> vmlinux.o(.text+0x26cd):/usr/src/linux-2.4.25/kernel/sched.c:454: undefined reference to `jiffies'
> vmlinux.o(.text+0x27a4): In function `schedule':
> /usr/src/linux-2.4.25/include/linux/sched.h:929: undefined reference to `jiffies'
> vmlinux.o(.text+0x489e): In function `do_fork':
> /usr/src/linux-2.4.25/kernel/fork.c:740: undefined reference to `jiffies'
> vmlinux.o(.text+0xabd5): In function `do_getitimer':
> /usr/src/linux-2.4.25/kernel/itimer.c:55: undefined reference to `jiffies'
> vmlinux.o(.text+0xacd3):/usr/src/linux-2.4.25/kernel/itimer.c:103: more undefined references to `jiffies' follow
> collect2: ld returned 1 exit status
> make: *** [linux] Error 1
> 
> is there any solution to this problem?
> or HRT patch is not supposed to work under UML at all?
>
You might do better on the HRT list (cc'ed).

I don't know what UML needs.  I would have thought that jiffies would be defined...  especially for 
things like do_fork.  Which patch are you using?
-- 
George Anzinger   george@mvista.com
HRT (High-res-timers):  http://sourceforge.net/projects/high-res-timers/