On 15.07.19 14:32, Peter Zijlstra wrote:
On Mon, Jul 15, 2019 at 01:37:37PM +0200, Juergen Gross wrote:
The long term plan has been to replace Xen PV guests by PVH. The first
victim of that plan are now 32-bit PV guests, as those are used only
rather seldom these days. Xen on x86 requires 64-bit support and with
Grub2 now supporting PVH officially since version 2.04 there is no
need to keep 32-bit PV guest support alive in the Linux kernel.
Additionally Meltdown mitigation is not available in the kernel running
as 32-bit PV guest, so dropping this mode makes sense from security
point of view, too.
Juergen Gross (2):
x86/xen: remove 32-bit Xen PV guest support
x86/paravirt: remove 32-bit support from PARAVIRT_XXL
Hooray!
Always a pleasure to cheer the community up by sending Xen patches. :-D
Juergen
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