mainlining shenanigans
2053230af1
The MSI-X Capability requires devices to support 64-bit Message Addresses, but the MSI Capability can support either 32- or 64-bit addresses. Previously, we set dev->no_64bit_msi for a few broken devices that advertise 64-bit MSI support but don't correctly support it. In addition, check the MSI "64-bit Address Capable" bit for all devices and set dev->no_64bit_msi for devices that don't advertise 64-bit support. This allows msi_verify_entries() to catch arch code defects that assign 64-bit addresses when they're not supported. The warning is helpful to find defects like the one fixed by https://lore.kernel.org/r/20201117165312.25847-1-vidyas@nvidia.com [bhelgaas: set no_64bit_msi in pci_msi_init(), commit log] Link: https://lore.kernel.org/r/20201124105035.24573-1-vidyas@nvidia.com Link: https://lore.kernel.org/r/20201203185110.1583077-4-helgaas@kernel.org Signed-off-by: Vidya Sagar <vidyas@nvidia.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Thierry Reding <treding@nvidia.com> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.