Re: [XEN PATCH v7] tools/lsevtchn: Use errno macro to handle hypercall error cases

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Wed, Jul 31, 2024 at 05:18:44PM +0100, Matthew Barnes wrote:
> Currently, lsevtchn aborts its event channel enumeration when it hits
> an event channel that is owned by Xen.
> 
> lsevtchn does not distinguish between different hypercall errors, which
> results in lsevtchn missing potential relevant event channels with
> higher port numbers.
> 
> Use the errno macro to distinguish between hypercall errors, and
> continue event channel enumeration if the hypercall error is not
> critical to enumeration.
> 
> Signed-off-by: Matthew Barnes <matthew.barnes@xxxxxxxxx>

Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

Thanks,

-- 

Anthony Perard | Vates XCP-ng Developer

XCP-ng & Xen Orchestra - Vates solutions

web: https://vates.tech