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![]() Drivers that do not support the PCI error handling callbacks are handled by tearing down the device and re-probing them. If the device being removed is a virtual function then we need to know the VF index so it can be removed using the pci_iov_{add|remove}_virtfn() API. Currently this is handled by looking up the pci_dn, and using the vf_index that was stashed there when the pci_dn for the VF was created in pcibios_sriov_enable(). We would like to eliminate the use of pci_dn outside of pseries though so we need to provide the generic EEH code with some other way to find the vf_index. The easiest thing to do here is move the vf_index field out of pci_dn and into eeh_dev. Currently pci_dn and eeh_dev are allocated and initialized together so this is a fairly minimal change in preparation for splitting pci_dn and eeh_dev in the future. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200725081231.39076-3-oohall@gmail.com |
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drivers | ||
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kernel | ||
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usr | ||
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README |
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.