Messages in this thread | | | Date | Wed, 15 Apr 2020 11:14:44 +0100 | From | Will Deacon <> | Subject | Re: [PATCH 3/8] arm64: cpufeature: Add CPU capability for AArch32 EL1 support |
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On Wed, Apr 15, 2020 at 11:13:54AM +0100, Suzuki K Poulose wrote: > On 04/14/2020 10:31 PM, Will Deacon wrote: > > Although we emit a "SANITY CHECK" warning and taint the kernel if we > > detect a CPU mismatch for AArch32 support at EL1, we still online the > > CPU with disastrous consequences for any running 32-bit VMs. > > > > Introduce a capability for AArch32 support at EL1 so that late onlining > > of incompatible CPUs is forbidden. > > > > Signed-off-by: Will Deacon <will@kernel.org> > > One of the other important missing sanity check for KVM is the VMID width > check. I will code something up.
Cheers! Do we handle things like the IPA size already?
Will
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