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Matt Evans
e2077857c0
The KVM_NR_CPUS define is only really used to statically size the global kvm_cpus array, which can just as easily be allocated on startup. There is some checking of the -c <nr cpus> value given against NR_CPUs but this is later again checked against a dynamically-determined limit from KVM_CAP_MAX_VCPUS anyway. The hardwired limit is arbitrary and not strictly necessary. This patch removes the #define, replacing the statically-sized array with a malloc; the array is kvm->nrcpus+1 in size so that any iterator can halt at the end (this is done in kvm_cpu__reboot, which doesn't have access to a struct kvm* and therefore kvm->nrcpus). An unused #define in x86/mptable.c is also removed. Signed-off-by: Matt Evans <matt@ozlabs.org> Signed-off-by: Pekka Enberg <penberg@kernel.org>