diff options
| author |   Santosh Kumar Pradhan <santosh.pradhan@ionos.com> | 2022-07-12 12:31:10 +0200 |
|---|---|---|
| committer |   Leon Romanovsky <leonro@nvidia.com> | 2022-07-18 12:27:40 +0300 |
| commit | 861703b4c76e645949b7a42bbcc48cf775fd45d4 (patch) | |
| tree | 2d453de6966e8b3c986621da4d433914f07257ac /drivers/infiniband/ulp/rtrs | |
| parent | RDMA/rtrs-srv: Fix modinfo output for stringify (diff) | |
| download | wireguard-linux-861703b4c76e645949b7a42bbcc48cf775fd45d4.tar.xz wireguard-linux-861703b4c76e645949b7a42bbcc48cf775fd45d4.zip | |
RDMA/rtrs-clt: Use this_cpu_ API for stats
Use this_cpu_x() for increasing/adding a percpu counter through a
percpu pointer without the need to disable/enable preemption.
Link: https://lore.kernel.org/r/20220712103113.617754-3-haris.iqbal@ionos.com
Suggested-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Santosh Kumar Pradhan <santosh.pradhan@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Acked-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/ulp/rtrs')
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c b/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c index 385a19846c24..1e6ffafa2db3 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c @@ -32,11 +32,7 @@ void rtrs_clt_update_wc_stats(struct rtrs_clt_con *con) void rtrs_clt_inc_failover_cnt(struct rtrs_clt_stats *stats) { - struct rtrs_clt_stats_pcpu *s; - - s = get_cpu_ptr(stats->pcpu_stats); - s->rdma.failover_cnt++; - put_cpu_ptr(stats->pcpu_stats); + this_cpu_inc(stats->pcpu_stats->rdma.failover_cnt); } int rtrs_clt_stats_migration_from_cnt_to_str(struct rtrs_clt_stats *stats, char *buf) @@ -169,12 +165,8 @@ int rtrs_clt_reset_all_stats(struct rtrs_clt_stats *s, bool enable) static inline void rtrs_clt_update_rdma_stats(struct rtrs_clt_stats *stats, size_t size, int d) { - struct rtrs_clt_stats_pcpu *s; - - s = get_cpu_ptr(stats->pcpu_stats); - s->rdma.dir[d].cnt++; - s->rdma.dir[d].size_total += size; - put_cpu_ptr(stats->pcpu_stats); + this_cpu_inc(stats->pcpu_stats->rdma.dir[d].cnt); + this_cpu_add(stats->pcpu_stats->rdma.dir[d].size_total, size); } void rtrs_clt_update_all_stats(struct rtrs_clt_io_req *req, int dir) |