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commitac522fc6c3upstream. While duplicate IDs are still very harmful, including the potential to easily see changing devices in /dev/disk/by-id, it turn out they are extremely common for cheap end user NVMe devices. Relax our check for them for so that it doesn't reject the probe on single-ported PCIe devices, but prints a big warning instead. In doubt we'd still like to see quirk entries to disable the potential for changing supposed stable device identifier links, but this will at least allow users how have two (or more) of these devices to use them without having to manually add a new PCI ID entry with the quirk through sysfs or by patching the kernel. Fixes:2079f41ec6("nvme: check that EUI/GUID/UUID are globally unique") Cc: stable@vger.kernel.org # 6.0+ Co-developed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.