From: Eric Dumazet <eduma...@google.com> rseq is a heavy user of copy to/from user data in fast paths. This series tries to reduce the cost.
v2: Addressed Peter and Mathieu feedbacks, thanks ! Eric Dumazet (3): rseq: optimize rseq_update_cpu_id() rseq: remove redundant access_ok() rseq: optimise rseq_get_rseq_cs() and clear_rseq_cs() kernel/rseq.c | 61 +++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 45 insertions(+), 16 deletions(-) -- 2.31.1.295.g9ea45b61b8-goog
