Re: [PATCH v2 14/31] PCI/TSM: Report active IDE streams per host bridge

Xu Yilun
2026-04-07T16:30:01Z

On Thu, Apr 02, 2026 at 03:48:36PM -0700, Dan Williams wrote:
> Xu Yilun wrote:
> > From: Dan Williams <dan.j.williams@intel.com>
> >
> > The first attempt at an ABI for this failed to account for naming
> > collisions across host bridges:
> >
> > Commit a4438f06b1db ("PCI/TSM: Report active IDE streams")
> >
> > Revive this ABI with a per host bridge link that appears at first stream
> > creation for a given host bridge and disappears after the last stream is
> > removed.
> >
> > For systems with many host bridge objects it allows:
> >
> > ls /sys/class/tsm/tsmN/pci*/stream*
> >
> > ...to find all the host bridges with active streams without first iterating
> > over all host bridges. Yilun notes that is handy to have this short cut [1]
> > and from an administrator perspective it helps with inventory for
> > constrained stream resources.
> >
> > Link: http://lore.kernel.org/aXLtILY85oMU5qlb@yilunxu-OptiPlex-7050 [1]
> > Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> Oh, looks like I had yet to get this reviewed on the list. Can I add
> your review and / or test tags and take this for v7.1?

Yeah, I've added my RB in that series. Hope we could have this one in
v7.1.