Marc,
I'm at the latest commit, fa9301d in the gicv-align branch at the
moment, with that an unmodified QEMU guest boots fine on a 64Kb page
granular host, thanks to the trapping you introduced.
(I wanted to get some performance statistics of the new feature with
perf, but on arm64 most of them are unsupported)
However, if I rebuild the kernel using defconfig with only the kernel
page size changed to 16Kb it does not boot at least on Overdrive 3000.
On 7/1/16 6:20 PM, Marc Zyngier wrote:
On 01/07/16 09:59, Itaru Kitayama wrote:
Marc,
That's good news. Can I assume you'd keep the
KVM_DEV_ARM_VGIC_GRP_ADDR_OFFSET attribute, or would you introduce new
ones? I ask because either way we need the userland support, be it QEMU
or kvmtool. I'm carrying the small QEMU patch at this moment.
You can look at the kvm-arm64/gicv-align branch in my tree, which
contains some of the stuff. At the moment, the attribute is named
KVM_DEV_ARM_VGIC_GRP_GICC_OFFSET, but I don't mind changing the name.
Thanks,
M.
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