The config fragment doesn't follow the correct format to enable those config options which make the config options getting missed while merging with other configs. ➜ merge_config.sh -m .config tools/testing/selftests/iommu/config Using .config as base Merging tools/testing/selftests/iommu/config ➜ make olddefconfig .config:5295:warning: unexpected data: CONFIG_IOMMUFD .config:5296:warning: unexpected data: CONFIG_IOMMUFD_TEST While at it, add CONFIG_FAULT_INJECTION as well which is needed for CONFIG_IOMMUFD_TEST. If CONFIG_FAULT_INJECTION isn't present in base config (such as x86 defconfig), CONFIG_IOMMUFD_TEST doesn't get enabled. Fixes: 57f0988706fe ("iommufd: Add a selftest") Link: https://lore.kernel.org/r/20240222074934.71380-1-usama.anjum@collabora.com Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.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.
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