diff options
| author | Christoph Hellwig <[email protected]> | 2020-06-10 10:29:49 +0200 |
|---|---|---|
| committer | Christoph Hellwig <[email protected]> | 2020-06-17 09:29:31 +0200 |
| commit | 1fbf57d0530217b9f264eedc4867bf91479cdf3c (patch) | |
| tree | 24d8dfeea45accda549aa7cfba9cbcabe5f9c684 /tools/perf/scripts/python/flamegraph.py | |
| parent | dbed452a078d56bc7f1abecc3edd6a75e8e4484e (diff) | |
dma-direct: re-enable mmap for !CONFIG_MMU
nommu configfs can trivially map the coherent allocations to user space,
as no actual page table setup is required and the kernel and the user
space programs share the same address space.
Fixes: 62fcee9a3bd7 ("dma-mapping: remove CONFIG_ARCH_NO_COHERENT_DMA_MMAP")
Signed-off-by: Christoph Hellwig <[email protected]>
Reported-by: dillon min <[email protected]>
Reviewed-by: Vladimir Murzin <[email protected]>
Tested-by: dillon min <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions