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SubjectRe: [GIT PULL] First batch of KVM changes for 4.1


On 17/04/2015 22:18, Marcelo Tosatti wrote:
> The bug which this is fixing is very rare, have no memory of a report.
>
> In fact, its even difficult to create a synthetic reproducer.

But then why was the task migration notifier even in Jeremy's original
code for Xen? Was it supposed to work even on non-synchronized TSC?

If that's the case, then it could be reverted indeed; but then why did
you commit this patch to 4.1? Did you think of something that would
cause the seqcount-like protocol to fail, and that turned out not to be
the case later? I was only following the mailing list sparsely in March.

Paolo


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