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[Xen-devel] [PATCH] UNTESTED backport rcu_needs_cpu and call it from sto
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] [PATCH] UNTESTED backport rcu_needs_cpu and call it from stop_hz_timer UNTESTED |
| From: | Harry Butterworth <harry@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx> |
| Date: | Fri, 09 Jun 2006 21:21:28 +0100 |
| Delivery-date: | Fri, 09 Jun 2006 13:21:59 -0700 |
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THIS PATCH FOR REVIEW ONLY IT'S UNTESTED!!!!!! Ill test on Monday if no-one has done it by then. There is a problem with the current implementation of stop_hz_timer in arch/i386/kernel/time-xen.c where the hz timer can be stopped on a CPU which has RCU callbacks pending. This patch backports a new RCU API created to fix this problem for the s390 implementation of stop_hz_timer and also updates the time-xen.c implementation of stop_hz_timer to call the new API. Signed-off-by: Harry Butterworth <butterwo@xxxxxxxxxx>
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