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kvm: Return number of free memslots

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Let's return the number of free slots instead of only checking if there
is a free slot. While at it, check all address spaces, which will also
consider SMM under x86 correctly.

This is a preparation for memory devices that consume multiple memslots.

Message-ID: <20230926185738.277351-5-david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2023-09-26 20:57:24 +02:00
parent 022f033bd7
commit 5b23186a95
5 changed files with 25 additions and 17 deletions
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4
accel/stubs/kvm-stub.c
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@ -109,9 +109,9 @@ int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
return -ENOSYS;
}
bool kvm_has_free_slot(MachineState *ms)
unsigned int kvm_get_free_memslots(void)
{
return false;
return 0;
}
void kvm_init_cpu_signals(CPUState *cpu)