Re: [Xen-devel] Userland blkback?

[Pim van Riezen <pi+lists@xxxxxxxxxxxx>]

Hi,

On Aug 12, 2011, at 18:21 , Pasi Kärkkäinen wrote:

> Which exact 2.6.3x kernels/branches are you using? 

I tried vanilla 2.6.39.4. Obviously xen-specific git trees will have 
xen-blkback. And 3.0.1 vanilla has it.

> Jeremy's xen.git xen/stable-2.6.32.x branch definitely does have a 
> xen-blkback driver included.

Yeah, found that one. Thanks.

>> Is there a secret switch to Xen 4.0/4.1 I need to be aware of to make this 
>> magic happen? Or is this a missing feature and  does every pvops dom0-kernel 
>> that is not 3.0.1 need backports for xen-blkback?
>> 
> 
> Xen 4.0 won't work, but afaik Xen 4.1 should fallback to qemu/userspace block 
> backend if kernel xen-blkback is not available.

Ah, perhaps I'm an idiot and didn't retest with a kernel with no blkback once I 
upgraded to 4.1. Thanks.

Cheers,
Pim


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