[PATCH v2 0/1] MR2033: ntoskrnl: Add ExGetPreviousMode and test.

[Alex Henrie (＠alexhenrie)]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54378

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  v2: ntoskrnl: Add ExGetPreviousMode and test.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/2033