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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8c5165430c
With skip set to 1, I get a traceback like this: [ 106.867637] DMA-API: Mapped at: [ 106.870784] afu_dma_map_region+0x2cd/0x4f0 [dfl_afu] [ 106.875839] afu_ioctl+0x258/0x380 [dfl_afu] [ 106.880108] do_vfs_ioctl+0xa9/0x720 [ 106.883688] ksys_ioctl+0x60/0x90 [ 106.887007] __x64_sys_ioctl+0x16/0x20 With the previous value of 2, afu_dma_map_region was being omitted. I suspect that the code paths have simply changed since the value of 2 was chosen a decade ago, but it's also possible that it varies based on which mapping function was used, compiler inlining choices, etc. In any case, it's best to err on the side of skipping less. Signed-off-by: Scott Wood <swood@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> |
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| .. | ||
| coherent.c | ||
| contiguous.c | ||
| debug.c | ||
| direct.c | ||
| dummy.c | ||
| Kconfig | ||
| Makefile | ||
| mapping.c | ||
| remap.c | ||
| swiotlb.c | ||
| virt.c | ||