On Tue, Dec 11, 2018 at 12:21:53PM -0500, Dennis Dalessandro wrote:
> On 12/11/2018 8:09 AM, Leon Romanovsky wrote:
> > On Tue, Dec 11, 2018 at 07:03:46AM -0500, Dennis Dalessandro wrote:
> > > On 12/11/2018 6:36 AM, Yuval Shaia wrote:
> > > > On Tue, Dec 11, 2018 at 12:06:30PM +0200, Leon Romanovsky wrote:
> > > > > From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> > > > >
> > > > > Update hfi1 to use PCI-IDs as an identification in debugfs, instead
> > > > > of device name which can be changed after user executes device rename.
> > > > >
> > > > > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> > > > > ---
> > > > > drivers/infiniband/hw/hfi1/debugfs.c | 11 ++++++-----
> > > > > 1 file changed, 6 insertions(+), 5 deletions(-)
> > > > >
> > > > > diff --git a/drivers/infiniband/hw/hfi1/debugfs.c b/drivers/infiniband/hw/hfi1/debugfs.c
> > > > > index 0a557795563c..54b579d8ec07 100644
> > > > > --- a/drivers/infiniband/hw/hfi1/debugfs.c
> > > > > +++ b/drivers/infiniband/hw/hfi1/debugfs.c
> > > > > @@ -1166,23 +1166,24 @@ void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd)
> > > > > char name[sizeof("port0counters") + 1];
> > > > > char link[10];
> > > > > struct hfi1_devdata *dd = dd_from_dev(ibd);
> > > > > + struct pci_dev *pdev = dd->pcidev;
> > > > > struct hfi1_pportdata *ppd;
> > > > > int unit = dd->unit;
> > > > > int i, j;
> > > > >
> > > > > if (!hfi1_dbg_root)
> > > > > return;
> > > > > - snprintf(name, sizeof(name), "%s_%d", class_name(), unit);
> > > > > +
> > > > > snprintf(link, sizeof(link), "%d", unit);
> > > > > - ibd->hfi1_ibdev_dbg = debugfs_create_dir(name, hfi1_dbg_root);
> > > > > + ibd->hfi1_ibdev_dbg = debugfs_create_dir(pci_name(pdev), hfi1_dbg_root);
> > > > > if (!ibd->hfi1_ibdev_dbg) {
> > > > > - pr_warn("create of %s failed\n", name);
> > > > > + pr_warn("create of %s failed\n", pci_name(pdev));
> > > > > return;
> > > > > }
> > > > > ibd->hfi1_ibdev_link =
> > > > > - debugfs_create_symlink(link, hfi1_dbg_root, name);
> > > > > + debugfs_create_symlink(link, hfi1_dbg_root, pci_name(pdev));
> > > > > if (!ibd->hfi1_ibdev_link) {
> > > > > - pr_warn("create of %s symlink failed\n", name);
> > > > > + pr_warn("create of %s symlink failed\n", pci_name(pdev));
> > > > > return;
> > > > > }
> > > > > DEBUGFS_SEQ_FILE_CREATE(opcode_stats, ibd->hfi1_ibdev_dbg, ibd);
> > > >
> > > > Reviewed-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx>
> > > >
> > >
> > > Nak for now. This isn't quite what we have in mind. Patch is on the way,
> > > going through review and testing. Will post soon to for-next.
> >
> > Awesome, can you shed the light and summarize why this patch isn't good
> > fit for you?
>
> The patch is very similar, our version, which is part of a bigger series,
> doesn't use local variable and changes the pr_warn() calls to dd_dev_warn().
> I can go ahead and post our version, or you could make a v2 to fix the
> pr_warns, up to you. The local variable vs non isn't a big concern here,
> meaning I'm fine either way.
I tried to localize and minimize my changes, so it is better to go with
your more comprehensive variant.
>
> -Denny
>
> -Denny
>
> -Denny
>
>
>
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