github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-28 10:09:10 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

KVM: arm64: nv: Mark VM as bugged for unexpected VNCR abort

Browse Source 
KVM is unlikely to resolve an unexpected VNCR abort, meaning that
returning to the guest will likely leave the vCPU stuck in an abort
loop. Bug the VM and exit to userspace instead.

Signed-off-by: Oliver Upton <oupton@kernel.org>
Link: https://patch.msgid.link/20260618234207.1063941-6-oupton@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Oliver Upton 2026-06-18 16:42:06 -07:00 committed by Marc Zyngier
parent 4bd7dbe0b2
commit 265b58aba5
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/kvm/nested.c
View File

@ -1491,8 +1491,8 @@ int kvm_handle_vncr_abort(struct kvm_vcpu *vcpu)
return kvm_handle_guest_sea(vcpu);
if (!esr_fsc_is_translation_fault(esr) && !esr_fsc_is_permission_fault(esr)) {
WARN_ONCE(1, "Unhandled VNCR abort, ESR=%llx\n", esr);
return 1;
KVM_BUG(1, vcpu->kvm, "Unhandled VNCR abort, ESR=%llx\n", esr);
return -EIO;
}
ret = kvm_translate_vncr(vcpu, &is_gmem);