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adaeb718d4
The Kconfig dependency is incomplete since DRM_I915_GVT is a 'bool' symbol that depends on the 'tristate' VFIO_MDEV. This allows a configuration with VFIO_MDEV=m, DRM_I915_GVT=y and DRM_I915=y that causes a link failure: x86_64-linux-ld: drivers/gpu/drm/i915/gvt/gvt.o: in function `available_instances_show': gvt.c:(.text+0x67a): undefined reference to `mtype_get_parent_dev' x86_64-linux-ld: gvt.c:(.text+0x6a5): undefined reference to `mtype_get_type_group_id' x86_64-linux-ld: drivers/gpu/drm/i915/gvt/gvt.o: in function `description_show': gvt.c:(.text+0x76e): undefined reference to `mtype_get_parent_dev' x86_64-linux-ld: gvt.c:(.text+0x799): undefined reference to `mtype_get_type_group_id' Clarify the dependency by specifically disallowing the broken configuration. If VFIO_MDEV is built-in, it will work, but if VFIO_MDEV=m, the i915 driver cannot be built-in here. Fixes: |
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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.