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only call hardclock on cpu0

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pointed out by: Scott Long
This commit is contained in:
Kip Macy 2008-10-25 20:42:10 +00:00
parent 53cb00a92b
commit e67fc8f258
1 changed files with 4 additions and 1 deletions
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5
sys/i386/xen/clock.c
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@ -315,7 +315,10 @@ clkintr(void *arg)
processed_system_time += (delta / NS_PER_TICK) * NS_PER_TICK; processed_system_time += (delta / NS_PER_TICK) * NS_PER_TICK;
per_cpu(processed_system_time, cpu) += (delta_cpu / NS_PER_TICK) * NS_PER_TICK; per_cpu(processed_system_time, cpu) += (delta_cpu / NS_PER_TICK) * NS_PER_TICK;
} }
hardclock(TRAPF_USERMODE(frame), TRAPF_PC(frame)); if (PCPU_GET(cpuid) == 0)
hardclock(TRAPF_USERMODE(frame), TRAPF_PC(frame));
else
hardclock_cpu(TRAPF_USERMODE(frame));
/* /*
* Take synchronised time from Xen once a minute if we're not * Take synchronised time from Xen once a minute if we're not