diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-12-12 20:44:25 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-12-12 20:44:25 +0100 |
| commit | 2bf3b685a35c80fe368dad9da0e77ba48b460939 (patch) | |
| tree | 3516a82ec33f96d5e9d3f36abef751aa0b788748 /drivers/misc/cxl/api.c | |
| parent | bf006e149a5717a4614d44a62090ae98775af7a0 (diff) | |
| parent | d06e622d3d9206e6a2cc45a0f9a3256da8773ff4 (diff) | |
Merge schedutil governor updates for v4.10.
Diffstat (limited to 'drivers/misc/cxl/api.c')
| -rw-r--r-- | drivers/misc/cxl/api.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index f3d34b941f85..2e5233b60971 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -229,6 +229,14 @@ int cxl_start_context(struct cxl_context *ctx, u64 wed, if (ctx->status == STARTED) goto out; /* already started */ + /* + * Increment the mapped context count for adapter. This also checks + * if adapter_context_lock is taken. + */ + rc = cxl_adapter_context_get(ctx->afu->adapter); + if (rc) + goto out; + if (task) { ctx->pid = get_task_pid(task, PIDTYPE_PID); ctx->glpid = get_task_pid(task->group_leader, PIDTYPE_PID); @@ -239,7 +247,10 @@ int cxl_start_context(struct cxl_context *ctx, u64 wed, cxl_ctx_get(); if ((rc = cxl_ops->attach_process(ctx, kernel, wed, 0))) { + put_pid(ctx->glpid); put_pid(ctx->pid); + ctx->glpid = ctx->pid = NULL; + cxl_adapter_context_put(ctx->afu->adapter); cxl_ctx_put(); goto out; } |