Messages in this thread |  | | | Date | Sun, 22 Jul 2012 21:01:55 +0300 | | From | Thomas Backlund <> | | Subject | Re: PROBLEM: Build fails in 3.4.6 |
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22.07.2012 18:02, Alexandre Ferrando skrev: > Summary: Linux kernel 3.4.6 fails to build in some cases when > CONFIG_NO_HZ is set > > Full description: Kernel build using configurations [ 0 ] (mine, > trying to build the zen kernel) and [ 1 ] (from someone using > slackware) fail to build with this error message when CONFIG_NO_HZ is > set: > > kernel/built-in.o: In function `tick_nohz_stop_sched_tick.isra.9': > tick-sched.c:(.text+0x4a3e9): undefined reference to `calc_load_enter_idle' > kernel/built-in.o: In function `tick_nohz_idle_exit': > (.text+0x4a767): undefined reference to `calc_load_exit_idle' > > Unsetting CONFIG_NO_HZ solves the issue. > > However, CONFIG_NO_HZ seems not to be the root of the problem because > this configuration [ 2 ] of the zen kernel and Arch's stock kernel [ 3 > ] both build with CONFIG_NO_HZ set
This fallout comes from the BFS scheduler patch in zen kernel that is not updated/adapted for the:
sched-nohz-rewrite-and-fix-load-avg-computation-again.patch
that went into 3.4.6
-- Thomas
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