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| author | Chuck Lever <chuck.lever@oracle.com> | 2022-04-29 17:06:21 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-05-23 18:06:29 +0300 |
| commit | 28df0988815f63e2af5e6718193c9f68681ad7ff (patch) | |
| tree | 63b9934813d5d24e8c90c65b396935abb8a722b2 /net/sunrpc/xprtrdma | |
| parent | bb283ca18d1e67c82d22a329c96c9d6036a74790 (diff) | |
| download | linux-28df0988815f63e2af5e6718193c9f68681ad7ff.tar.xz | |
SUNRPC: Use RMW bitops in single-threaded hot paths
I noticed CPU pipeline stalls while using perf.
Once an svc thread is scheduled and executing an RPC, no other
processes will touch svc_rqst::rq_flags. Thus bus-locked atomics are
not needed outside the svc thread scheduler.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/xprtrdma')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_transport.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 94b20fb47135..199fa012f18a 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -602,7 +602,7 @@ static int svc_rdma_has_wspace(struct svc_xprt *xprt) static void svc_rdma_secure_port(struct svc_rqst *rqstp) { - set_bit(RQ_SECURE, &rqstp->rq_flags); + __set_bit(RQ_SECURE, &rqstp->rq_flags); } static void svc_rdma_kill_temp_xprt(struct svc_xprt *xprt) |