Bjorn Helgaas 1856d1a036 PCI: Tidy config space save/restore messages
Update config space save/restore debug messages so they line up better.
Previously:

  nvme 0000:05:00.0: saving config space at offset 0x4 (reading 0x20100006)
  nvme 0000:05:00.0: saving config space at offset 0x8 (reading 0x1080200)
  nvme 0000:05:00.0: saving config space at offset 0xc (reading 0x0)

  nvme 0000:05:00.0: restoring config space at offset 0x4 (was 0x0, writing 0x20100006)

Now:

  nvme 0000:05:00.0: save config 0x04: 0x20100006
  nvme 0000:05:00.0: save config 0x08: 0x01080200
  nvme 0000:05:00.0: save config 0x0c: 0x00000000

  nvme 0000:05:00.0: restore config 0x04: 0x00000000 -> 0x20100006

No functional change intended.  Enable these messages by setting
CONFIG_DYNAMIC_DEBUG=y and adding 'dyndbg="file drivers/pci/* +p"'
to kernel parameters.

Link: https://lore.kernel.org/r/20230823191831.476579-1-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
2023-08-25 08:15:47 -05:00
2022-09-28 09:02:20 +02:00
2023-07-09 10:29:53 -07:00
2023-07-09 13:53:13 -07:00

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.
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