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| author | Tom Dohrmann <erbse.13@gmx.de> | 2024-09-03 06:29:53 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-10-17 19:41:30 +0200 |
| commit | 64e0e63ea16aa0122dc0c41a0679da0ae4616208 (patch) | |
| tree | 4cb03ffd33a776a3a5a6acd613ae3bb58575c4ee /accel | |
| parent | e136648c5c95ee4ea233cccf999c07e065bef26d (diff) | |
| download | qemu-64e0e63ea16aa0122dc0c41a0679da0ae4616208.zip qemu-64e0e63ea16aa0122dc0c41a0679da0ae4616208.tar.gz qemu-64e0e63ea16aa0122dc0c41a0679da0ae4616208.tar.bz2 | |
accel/kvm: check for KVM_CAP_READONLY_MEM on VM
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>
Diffstat (limited to 'accel')
| -rw-r--r-- | accel/kvm/kvm-all.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 8be731c..9974643 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2689,7 +2689,7 @@ static int kvm_init(MachineState *ms) } kvm_readonly_mem_allowed = - (kvm_check_extension(s, KVM_CAP_READONLY_MEM) > 0); + (kvm_vm_check_extension(s, KVM_CAP_READONLY_MEM) > 0); kvm_resamplefds_allowed = (kvm_check_extension(s, KVM_CAP_IRQFD_RESAMPLE) > 0); |