Add a test modelled on the RFI flush test which counts the number
of L1D misses doing a simple syscall with the entry flush on and off.
For simplicity of backporting, this test duplicates a lot of code from
the upstream rfi_flush. This is cleaned up upstream, but we don't clean
it up here because it would involve bringing in even more commits.
Signed-off-by: Daniel Axtens <dja@axtens.net>
CVE-2020-4788
(backported from commit
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fault-injection | ||
ktest | ||
nvdimm | ||
radix-tree | ||
scatterlist | ||
selftests | ||
vsock |