----- On Apr 13, 2021, at 4:33 PM, Eric Dumazet [email protected] wrote:
> From: Eric Dumazet <[email protected]> > > rseq is a heavy user of copy to/from user data in fast paths. > This series tries to reduce the cost. > > v3: Third patch going back to v1 (only deal with 64bit arches) > v2: Addressed Peter and Mathieu feedbacks, thanks ! For the whole series: Reviewed-by: Mathieu Desnoyers <[email protected]> Thanks Eric! Mathieu > > 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 | 29 +++++++++++++++++++++-------- > 1 file changed, 21 insertions(+), 8 deletions(-) > > -- > 2.31.1.295.g9ea45b61b8-goog -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
