Messages in this thread | | | Date | Thu, 8 Dec 2011 17:04:22 +0530 | From | Amit Shah <> | Subject | Re: [PATCH 0/5 V5] Avoid soft lockup message when KVM is stopped by host |
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On (Mon) 05 Dec 2011 [15:18:59], Eric B Munson wrote: > When a guest kernel is stopped by the host hypervisor it can look like a soft > lockup to the guest kernel. This false warning can mask later soft lockup > warnings which may be real. This patch series adds a method for a host > hypervisor to communicate to a guest kernel that it is being stopped. The > final patch in the series has the watchdog check this flag when it goes to > issue a soft lockup warning and skip the warning if the guest knows it was > stopped.
Guest S4 would need similar treatment, and I think the code in the two approaches can be shared. Just something to consider.
Amit
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