Re: [ndctl PATCH v2] cxl/list: remove libtracefs build dependency for --media-errors

["Verma, Vishal L" <vishal.l.verma@intel.com>]

On Tue, 2025-09-23 at 21:52 -0700, Alison Schofield wrote:
> When the --media-errors option was added to cxl list it inadvertently
> changed the optional libtracefs requirement into a mandatory one.
> Ndctl versions 80,81,82 no longer build without libtracefs.
> 
> Remove that dependency.
> 
> When libtracefs is disabled the user will see a 'Notice' level
> message, like this:
> 	$ cxl list -r region0 --media-errors --targets
> 	cxl list: cmd_list: --media-errors support disabled at build
> time
> 
> ...followed by the region listing including the output for any other
> valid command line options, like --targets in the example above.
> 
> When libtracefs is disabled the cxl-poison.sh unit test is omitted.
> 
> The man page gets a note:
> 	The media-error option is only available with -
> Dlibtracefs=enabled.
> 
> Reported-by: Andreas Hasenack <andreas.hasenack@canonical.com>
> Fixes: d7532bb049e0 ("cxl/list: add --media-errors option to cxl
> list")
> Closes: https://github.com/pmem/ndctl/issues/289
> Signed-off-by: Alison Schofield <alison.schofield@intel.com>

Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>