Re: [PATCH v3] dax/bus: Upgrade resource conflict message to dev_err() in alloc_dax_region()

[Alison Schofield]

On Thu, May 28, 2026 at 08:45:46AM +0200, Tomasz Wolski wrote:
> The dax_region resource conflict in alloc_dax_region() indicates a
> serious configuration problem — two subsystems (e.g. dax_hmem and
> dax_cxl) are attempting to register overlapping address ranges. This is
> not a transient or debug-level condition; it represents a genuine
> resource conflict that an administrator needs to be aware of.
> 
> Promote the log level from dev_dbg() to dev_err() so that the conflict
> is visible by default without requiring dynamic debug to be enabled.
> 
> Suggested-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> Link: https://lore.kernel.org/linux-cxl/69c1a8d1c0fa9_7ee3100a1@dwillia2-mobl4.notmuch/
> Signed-off-by: Tomasz Wolski <tomasz.wolski@xxxxxxxxxxx>
> ---

Applied to nvdimm/nvdimm.git (libnvdimm-for-next)
https://git.kernel.org/nvdimm/nvdimm/c/cd1a8d788763