Re: Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing

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Thanks George.

As there are now quite many options to choose from, what would be the
best option performance wise for running 32bit domUs under xen-4.6?


On Wed, Jan 17, 2018 at 7:14 PM, George Dunlap <dunlapg@xxxxxxxxx> wrote:
> I've built & tagged packages for CentOS 6 and 7 4.6.6-9, with XPTI
> "stage 1" Meltdown mitigation.
> This will allow 64-bit PV guests to run safely (with a few caveats),
> but incurs a fairly significant slowdown for 64-bit PV guests on Intel
> boxes (including domain 0).
> If you prefer using Vixen / Comet, you can turn it off by adding
> 'xpti=0' to your Xen command-line.
> Detailed information can be found in the XSA-254 advisory:
> Please test and report any issues you have.  I'll probably tag then
> with -release tomorrow.
> 4.8 packages should be coming to buildlogs soon.
>  -George
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