Re: [Xen-devel] [PATCH v3 3/7] sysctl: Make topologyinfo and numainfo sysctls a little more efficient

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Mon, 2015-02-09 at 15:04 -0500, Boris Ostrovsky wrote:
> Currently both of these sysctls make a copy to userspace for each index of
> various query arrays. We should try to copy whole arrays instead.
> 
> This requires some changes in sysctl's public data structure, thus bump
> interface version.
> 
> Report topology for all present (not just online) cpus.
> 
> Rename xen_sysctl_topologyinfo and XEN_SYSCTL_topologyinfo to reflect the fact
> that these are used for CPU topology. Subsequent patch will add support for
> PCI topology sysctl.
> 
> Clarify some somments in sysctl.h.
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

Was there a significant change in v3 which invalidated my tools ack from
<1421688368.10440.171.camel@xxxxxxxxxx>?

Per-patch changelogs (after the ---) are very helpful for this sort of
thing.



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