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SubjectRe: [BUG] 2.6.21-rc1,2,3 regressions on my system that I found so far
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On Fri, 2007-03-16 at 12:30 +0200, Maxim Levitsky wrote:
> Mar 14 00:22:23 MAIN kernel: [ 2.072875] caller is check_tsc_sync_source+0x1d/0x100
> Mar 14 00:22:23 MAIN kernel: [ 2.072878] [show_trace_log_lvl+26/48] show_trace_log_lvl+0x1a/0x30
> Mar 14 00:22:23 MAIN kernel: [ 2.072931] checking TSC synchronization [CPU#0 -> CPU#1]:
> Mar 14 00:22:23 MAIN kernel: [ 2.092922] Measured 72051818872 cycles TSC warp between CPUs, turning off
>
> It looks clear that preempt is enabled all the way in second cpu initialization, ( I think that at least in check_tsc_sync_source, it should be disabled,
> shouldn't it ? )

This should be fixed by commit d04f41e35343f1d788551fd3f753f51794f4afcf

tglx



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