Date: Mon, 4 May 2009 15:12:48 +0300 From: =?UTF-8?B?T2RoaWFtYm8gIOODr+OCt+ODs+ODiOODsw==?= <odhiambo@gmail.com> To: Julian Elischer <julian@elischer.org> Cc: FreeBSD Current <current@freebsd.org> Subject: Re: VIMAGE status Message-ID: <991123400905040512s196ec51o3a084b9e1fc8a0e1@mail.gmail.com> In-Reply-To: <49FC812B.2070305@elischer.org> References: <49FC812B.2070305@elischer.org>
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On Sat, May 2, 2009 at 8:21 PM, Julian Elischer <julian@elischer.org> wrote:
> The VIMAGE code is nearly all in the the kernel.
>
> One is now able to make VIMAGE kernels (add options VIMAGE)
> though they don't actually allow you to make multiple
> vimages instances yet..
>
> The VIMAGE option enables all the low level changes needed
> throughout the kernel.
>
> The VIMAGE_GLOBALS option basically sets thing sback to how they were
> before.
>
> Having neither (the default) gives a kernel that is a kind of hybrid.
>
> The Hybrid state is what will go forward as 'NON-VIMAGE' mode
> and the VIMAGE_GLOBALS mode will probably go away in time as
> it complicates the code.
>
> The aim of this mail is to ask people to try add the VIMAGE option
> to their regular kernels and try use them as you woudl normally.
> You will not yet be able to use any new VIMAGE features but we
> should be fully compatible with previous kernels.
>
> Please report any concerns to the freebsd-virtualization@ mailing list.
>
> THEORETICALLY you should not see any changes in behaviour, however we have
> the following issues:
>
> * SCTP is not fully converted yet. add 'nooptions SCTP' for now if you
> are not using it yet.
>
> * An NFS (crash) issue was reported. This MAY have been fixed...
>
>
> Theory tells us that all three kernel options should behave about the same
> but if you do try this, and have any benchmarking facilities,
> it would be incredibly useful if you could let us know if you see any
> performance changes between the three.
>
>
> thanks,
>
> Julian (currently running a VIMAGE kernel myself)
I am ignorant. What is this VIMAGE?
--
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254733744121/+254722743223
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
"Clothes make the man. Naked people have little or no influence on
society."
-- Mark Twain
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