Xen project Mailing List

Hi everyone.

Some grammar suggestions below:

Paragraph 1:

FreeBSD with Xen support includes many improvements, including several performance and stability enhancements that we expect will greatly please and interest users. With many bug fixes already completed, the following description only focuses on new features.

Paragraph 4:

Thanks to the introduction of the vector callback, now we can make use of the Xen PV timer, which is implemented as a per-CPU singleshot timer.

Paragraph 5:

As with PV timers, the introduction of the vector callback allows FreeBSD to get rid of the bare metal IPI implementation, and instead route IPIs through event channels.

Paragraph 7:

With these new features, migration doesn't break since it has been reworked to handle the fact that timers and IPIs are also paravirtualized now.

Last paragraph:

One of the most interesting improvements from a user/admin point of view (and something similar to what the pvops Linux kernel is already doing), the GENERIC kernel on i386 and amd64 now includes full Xen PVHVM support, so there’s no need to recompile a Xen-specific kernel. When run as a Xen guest, the kernel will detect the available Xen features and automatically make use of them in order to obtain the best possible performance.

Thanks,

On Tue, Jan 21, 2014 at 7:09 AM, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:

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On 21/01/14 10:47, Dario Faggioli wrote:
> On lun, 2014-01-20 at 18:18 +0000, Lars Kurth wrote:
>> On 20/01/2014 17:43, Roger Pau Monné wrote:
>>>
>>> Initial draft for review:
>>>
>>> http://blog.xen.org/?p=8220&preview=true
>>>
>> Looks good
>>
> Same here.
>
> Just a few minor nits.
>
> "As most FreeBSD users already know, FreeBSD 10 has just been
> released" any links?
>
> "basically limiting the use of event channels to the Xen PV drivers
> (disk and network)" I appreciate that the terminology is correct,
> but, to facilitate readers that may not be 100% comfortable with
> it, I'd change the final part of the sentence as follows:
>
> "to the Xen PV drivers (disk and network)" --> a) for disk and
> network b) in disk and network driver
>
> Or something like that.
>
> Last paragraph "Merge of the XENHVM config into GENERIC". I'd add a
> sentence saying ~= "as it is happening for Linux" and to stress the
> fact that, when you say "so there’s no need to do anything special"
> that 'anything special' means 'no need to re-compile (or, in
> general, to have a specifically compiled kernel handy... because
> that's the thing right?).

Thanks for the feedback, I think I've fixed all the comments above.

> Other than that, looks very good, and I think it can be published,
> e.g., tomorrow, or whenever you think it would be best.

Whenever is best for the blog schedule, feel free to push the publish
button yourself :)

Roger.

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