e7713eb088
KVM_CAP_READONLY_MEM used to be a global capability, but with the
introduction of AMD SEV-SNP confidential VMs, this extension is not
always available on all VM types [1,2].
Query the extension on the VM level instead of on the KVM level.
[1] https://patchwork.kernel.org/project/kvm/patch/20240809190319.1710470-2-seanjc@google.com/
[2] https://patchwork.kernel.org/project/kvm/patch/20240902144219.3716974-1-erbse.13@gmx.de/
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Tom Dohrmann <erbse.13@gmx.de>
Link: https://lore.kernel.org/r/20240903062953.3926498-1-erbse.13@gmx.de
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit
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| .. | ||
| hvf | ||
| kvm | ||
| qtest | ||
| stubs | ||
| tcg | ||
| xen | ||
| accel-blocker.c | ||
| accel-system.c | ||
| accel-system.h | ||
| accel-target.c | ||
| accel-user.c | ||
| dummy-cpus.c | ||
| Kconfig | ||
| meson.build | ||