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HMM selftests use an in-kernel pseudo device to emulate device memory. The pseudo device registers a major device range for two or four pseudo device instances. User space has a script that reads /proc/devices in order to find the assigned major number, and sends that to mknod(1), once for each node. Change this to properly use cdev and struct device APIs. Delete the /proc/devices parsing from the user-space test script, now that it is unnecessary. Also, delete an unused field in struct dmirror_device: devmem. Link: https://lkml.kernel.org/r/20220826050631.25771-1-mpenttil@redhat.com Signed-off-by: Mika Penttilä <mpenttil@redhat.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| crypto/chacha20-s390 | ||
| cxl | ||
| fault-injection | ||
| ktest | ||
| kunit | ||
| memblock | ||
| nvdimm | ||
| radix-tree | ||
| scatterlist | ||
| selftests | ||
| vsock | ||