[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 0/2] Viridian MSRs
On 16/10/13 14:36, Andrew Cooper wrote: > > I disagree. There is a perfectly good mechanism for advertising which > viridian extensions are available, which was being blindly ignored by > Linux (The specific bug was the HyperV drivers assuming a HyperV timer > without checking that it was actually present, leading to an hang when > waiting for a timer interrupt). > > This is a Linux bug; Xen should not be functionally crippled because a > guest can't enumerate support correctly. > > And anyway - the entire set of viridian extensions is an off-by-default, > opt-in configuration option in the first place. Anyone who decided to > try Linux with viridan can turn it off if it doesn't work. I think Jan is suggesting that you pre-emptively check that it doesn't cause breakage in Linux. So that any Linux bugs (if there are any) can be fixed sooner. David _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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