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14ef39fddd
A VM can have multiple Hyper-V hbus. It's incorrect to set the global variable 'pci_protocol_version' when *every* hbus is initialized in hv_pci_protocol_negotiation(). This is not an issue in practice since every hbus should have the same value of hbus->protocol_version, but we should make the variable per-hbus, so in case we have busses with different protocol versions, the driver can still work correctly. Signed-off-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com>
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.