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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-01-02 20:06:09 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-02-20 17:20:11 +0300 |
| commit | 4ac5e7a6904bc23fec8ba60af686b2ed5cf027ff (patch) | |
| tree | 37745ff237379bec4e58e5b9248d2ab73f2bc231 | |
| parent | e8e38e14009afa90f320b9e806f416954b7dc315 (diff) | |
| download | linux-4ac5e7a6904bc23fec8ba60af686b2ed5cf027ff.tar.xz | |
SUNRPC: Move the server-side GSS upcall to a noinline function
Since upcalls are infrequent, ensure the compiler places the upcall
mechanism out-of-line from the I/O path.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
| -rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index a27f924b8906..d320ccb17a5b 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1444,6 +1444,14 @@ static bool use_gss_proxy(struct net *net) return sn->use_gss_proxy; } +static noinline_for_stack int +svcauth_gss_proc_init(struct svc_rqst *rqstp, struct rpc_gss_wire_cred *gc) +{ + if (!use_gss_proxy(SVC_NET(rqstp))) + return svcauth_gss_legacy_init(rqstp, gc); + return svcauth_gss_proxy_init(rqstp, gc); +} + #ifdef CONFIG_PROC_FS static ssize_t write_gssp(struct file *file, const char __user *buf, @@ -1600,10 +1608,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp) switch (gc->gc_proc) { case RPC_GSS_PROC_INIT: case RPC_GSS_PROC_CONTINUE_INIT: - if (use_gss_proxy(SVC_NET(rqstp))) - return svcauth_gss_proxy_init(rqstp, gc); - else - return svcauth_gss_legacy_init(rqstp, gc); + return svcauth_gss_proc_init(rqstp, gc); case RPC_GSS_PROC_DATA: case RPC_GSS_PROC_DESTROY: /* Look up the context, and check the verifier: */ |