On Tue, 25 Nov 2025, Eric Auger wrote:
On ARM we want to be able to blacklist registers that are exposed
by KVM. To mitigate some mitigation failures that occur when a new
^
migration
register is exposed and does not exist on the destination, some
registers are tagged "hidden" and their state won't be saved. As the
state is not saved and they are expected not to be used, we want to
enforce they aren't. So let's check this. The new CPUClass hide_reg()
callback is optional and will be implemented on ARM in a subsequent
patch.
Signed-off-by: Eric Auger <[email protected]>
How about "kvm-all: ensure hidden regs are not accessed"?
Reviewed-by: Sebastian Ott <[email protected]>
