Messages in this thread | | | Date | Thu, 4 Aug 2011 13:29:02 -0300 | From | Marcelo Tosatti <> | Subject | Re: [RFC PATCH 0/3] Avoid soft lockup message when KVM is stopped by host |
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On Wed, Aug 03, 2011 at 10:24:58AM -0400, Eric B Munson wrote: > This set is just a rough first pass at avoiding soft lockup warnings when a host > pauses the execution of a guest. A flag is set by the host in the shared page > used for the pvclock when the host goes to stop the guest. When the guest > resumes and detects a soft lockup, this flag is checked and cleared and the soft > lockup message is skipped. > > This currently breaks the build for non-x86 architectures but part of what I am > looking for here is how to go about adding the function stubs for everything > else.
To fix this, you can save/restore the offset added to kvmclock on vmstop/vmstart. See hw/kvmclock.c in the qemu source tree.
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