On 05/11/2020 18:43, Chris Wilson wrote:
Use userfault to arbitrarily delay the completion of copy_from_user() in
order to trap many, many threads inside the core of
gem_pread/gem_pwrite. This allows us to exhaust the preferred paths and
potentially trip over unexpected fallback paths.
Suggested-by: Matthew Auld <[email protected]>
Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
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