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| /openbmc/linux/arch/powerpc/platforms/powernv/ |
| H A D | memtrace.c | 08a022ad Wed Feb 24 21:21:06 CST 2021 Jordan Niethe <jniethe5@gmail.com> powerpc/powernv/memtrace: Allow mmaping trace buffers
Let the memory removed from the linear mapping to be used for the trace
buffers be mmaped. This is a useful way of providing cache-inhibited
memory for the alignment_handler selftest.
Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
[mpe: make memtrace_mmap() static as noticed by lkp@intel.com]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210225032108.1458352-1-jniethe5@gmail.com
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