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Christian Borntraeger ca8723023f KVM: s390: use hrtimer for clock wakeup from idle - v2 ... This patch reworks the s390 clock comparator wakeup to hrtimer. The clock comparator is a per-cpu value that is compared against the TOD clock. If ckc <= TOD an external interrupt 1004 is triggered. Since the clock comparator and the TOD clock have a much higher resolution than jiffies we should use hrtimers to trigger the wakeup. This speeds up guest nanosleep for small values. Since hrtimers callbacks run in hard-irq context, I added a tasklet to do the actual work with enabled interrupts. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Christian Ehrhardt <ehrhardt@de.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>		16 years ago
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appldata	…
boot	…
crypto	…
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include/asm	KVM: s390: use hrtimer for clock wakeup from idle - v2	16 years ago
kernel	s390: convert to use __HEAD and HEAD_TEXT macros.	16 years ago
kvm	KVM: s390: use hrtimer for clock wakeup from idle - v2	16 years ago
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math-emu	…
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oprofile	…
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