Re: [RFC PATCH v2 06/18] KVM: TDX: Return -EIO, not -EINVAL, on a KVM_BUG_ON() condition

From: Edgecombe, Rick P
Date: Fri Aug 29 2025 - 15:59:35 EST


On Thu, 2025-08-28 at 17:06 -0700, Sean Christopherson wrote:
> Return -EIO when a KVM_BUG_ON() is tripped, as KVM's ABI is to return -EIO
> when a VM has been killed due to a KVM bug, not -EINVAL.  Note, many (all?)
> of the affected paths never propagate the error code to userspace, i.e.
> this is about internal consistency more than anything else.
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> ---

Reviewed-by: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>