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[Xen-devel] Re: [GIT PULL] xen /proc/mtrr implementation

Jesse Barnes wrote:
This is really about what software Xen wants to support though.  You
can say, "it would be easier for you to just support new software that
doesn't use MTRRs," and you might be right, but supporting older stuff
doesn't appear that difficult, and it sounds like something they want
to do.

My rough target is that you should be able to take a pvops-dom0 kernel and use it to replace the 2.6.18-xen (or other patched up -xen) kernel on an existing server installation without having to replace very much (or anything) else. In practise that means making it work in something like RHEL 5 or SLES 10(?) environment. That seems to be what at least some of my testers are doing.

Of course, most of the deployments will be with whatever new distro ships with the kernel. But that doesn't mean we can write-off the old stuff. (I think AKPM still tests current kernels on something like FC1 or 2 to check for general kernel/distro regressions.)

   J

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