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2ee33aa14d
When the claim of a resource fails for the full range in pci_claim_bridge_resource(), clipping the resource to a smaller size is attempted. If clipping is successful, the new bridge window is programmed and only as the last step the code attempts to claim the resource again. The order of the last two steps is slightly illogical and inconsistent with the assignment call chains. If claiming the bridge window after clipping fails, the bridge window that was set up is left in place. Rework the logic such that the bridge window is claimed before calling the relevant bridge setup function. This make the behavior consistent with resource fitting call chains that always assign the bridge window before programming it. If claiming the bridge window fails, the clipped bridge window is no longer set up but pci_claim_bridge_resource() returns without writing the bridge window at all. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://patch.msgid.link/20250829131113.36754-7-ilpo.jarvinen@linux.intel.com |
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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 reStructuredText 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.