Re: [PATCH] iommu/vt-d: Fix status code for Allocate/Free PASID command

[Joerg Roedel]

On Sat, Feb 27, 2021 at 03:39:09PM +0800, Zenghui Yu wrote:
> As per Intel vt-d spec, Rev 3.0 (section 10.4.45 "Virtual Command Response
> Register"), the status code of "No PASID available" error in response to
> the Allocate PASID command is 2, not 1. The same for "Invalid PASID" error
> in response to the Free PASID command.
> 
> We will otherwise see confusing kernel log under the command failure from
> guest side. Fix it.
> 
> Fixes: 24f27d32ab6b ("iommu/vt-d: Enlightened PASID allocation")
> Signed-off-by: Zenghui Yu <yuzenghui@xxxxxxxxxx>

Applied for v5.12, thanks.