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| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-12-08 19:11:42 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-12-08 19:11:42 +0100 |
| commit | c8a11a938c9def4e976b3c6f92f01c9b8655ff78 (patch) | |
| tree | 5edbebef628a053ea358a4dcc4a3b571e7b2a918 /arch | |
| parent | Linux 6.7-rc4 (diff) | |
| parent | KVM: arm64: GICv4: Do not perform a map to a mapped vLPI (diff) | |
| download | linux-c8a11a938c9def4e976b3c6f92f01c9b8655ff78.tar.xz linux-c8a11a938c9def4e976b3c6f92f01c9b8655ff78.zip | |
Merge tag 'kvmarm-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/arm64 fixes for 6.7, take #1
- Avoid mapping vLPIs that have already been mapped
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kvm/vgic/vgic-v4.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c index 339a55194b2c..74a67ad87f29 100644 --- a/arch/arm64/kvm/vgic/vgic-v4.c +++ b/arch/arm64/kvm/vgic/vgic-v4.c @@ -436,6 +436,10 @@ int kvm_vgic_v4_set_forwarding(struct kvm *kvm, int virq, if (ret) goto out; + /* Silently exit if the vLPI is already mapped */ + if (irq->hw) + goto out; + /* * Emit the mapping request. If it fails, the ITS probably * isn't v4 compatible, so let's silently bail out. Holding |