diff options
| author | Quentin Perret <qperret@google.com> | 2025-04-16 16:08:58 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-05-06 09:56:18 +0100 |
| commit | 845f126732a8126dee3f15855487121f4836131a (patch) | |
| tree | efd3674064849494de49417d89be1bc977f9ab56 | |
| parent | 74b13d5816c9389381e937b218f49f03921f87fe (diff) | |
KVM: arm64: Don't WARN from __pkvm_host_share_guest()
We currently WARN() if the host attempts to share a page that is not in
an acceptable state with a guest. This isn't strictly necessary and
makes testing much harder, so drop the WARN and make sure to propage the
error code instead.
Signed-off-by: Quentin Perret <qperret@google.com>
Link: https://lore.kernel.org/r/20250416160900.3078417-3-qperret@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/mem_protect.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c index 2a5284f749b4..cf6207aa1434 100644 --- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c +++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c @@ -919,7 +919,6 @@ int __pkvm_host_share_guest(u64 pfn, u64 gfn, struct pkvm_hyp_vcpu *vcpu, if (page->host_share_guest_count) break; /* Only host to np-guest multi-sharing is tolerated */ - WARN_ON(1); fallthrough; default: ret = -EPERM; |