Re: [Xen-devel] [PATCH 0/2][PV-on-HVM] Enable Front-end drivers for 2.4 kernels

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

I was thinking about solutions other than using ifdefs all over the place. Given that the canonical drivers will soon be the upstream kernel.org versions, we need a solution that doesn’t rely on ifdefs in .c files (since that seems to get rejected upstream). The ‘driver kit’ I was thinking of sounds rather like your own 2.4.*-xen.hg suggestion. Maybe that would be best.

 -- Keir

On 19/12/07 12:26, "Ben Guthro" <bguthro@xxxxxxxxxxxxxxx> wrote:

> We tried to minimize the "ifdef mess" as much as possible to be encapulated in as few places as possible. 
> Which parts in particular concern you? If you could propose some suggestions - we could try another rev.
>
> How would this patch lead to code divergence as submitted? 
>
> An ideal solution would be a 2.4.*-xen.hg tree which would support both PV, and PV-on-HVM solutions. However, that was not the goal of these patches.




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