On 09/10/2012 05:26 PM, Xiao Guangrong wrote: > On 09/10/2012 05:09 PM, Avi Kivity wrote: >> On 09/07/2012 09:16 AM, Xiao Guangrong wrote: >>> mmu_notifier is the interface to broadcast the mm events to KVM, the >>> tracepoints introduced in this patch can trace all these events, it is >>> very helpful for us to notice and fix the bug caused by mm >> >> There is nothing kvm specific here. Perhaps this can be made generic >> (with a mm parameter so we can filter by process). > > Hmm, i would like to put these tracepoints in the mmu-lock then we can clearly > know the sequence between mm and kvm mmu. It is useful for us to detect the > issue/race between them. >
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