Re: [PATCH v3 0/5] dax: add PROBE_PREFER_ASYNCHRONOUS to all the dax drivers

From: dan.j.williams
Date: Fri Oct 24 2025 - 19:05:49 EST


Michal Clapinski wrote:
> Comments in linux/device/driver.h say that the goal is to do async
> probing on all devices. The current behavior unnecessarily slows down
> the boot by synchronously probing dax devices, so let's change that.
>
> For thousands of devices, this change saves >1s of boot time.
>
> Michal Clapinski (5):
> dax: add PROBE_PREFER_ASYNCHRONOUS to the pmem driver
> dax: add PROBE_PREFER_ASYNCHRONOUS to the kmem driver
> dax: add PROBE_PREFER_ASYNCHRONOUS to the cxl driver
> dax: add PROBE_PREFER_ASYNCHRONOUS to the hmem drivers
> dax: add PROBE_PREFER_ASYNCHRONOUS to the dax device driver

Looks good, thanks for the split.