[PATCH 4.9 38/86] nospec: Kill array_index_nospec_mask_check()

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Dan Williams commit 1d91c1d2c80cb70e2e553845e278b87a960c04da upstream. There are multiple problems with the dynamic sanity checking in

[PATCH 4.9 38/86] nospec: Kill array_index_nospec_mask_check()

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Dan Williams commit 1d91c1d2c80cb70e2e553845e278b87a960c04da upstream. There are multiple problems with the dynamic sanity checking in array_index_nospec_mask_check(): * It causes unnecessary