diff options
Diffstat (limited to 'drivers/misc/cxl')
| -rw-r--r-- | drivers/misc/cxl/api.c | 4 | ||||
| -rw-r--r-- | drivers/misc/cxl/file.c | 8 |
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index ea3eeb7011e1..690eb1a18caf 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -176,6 +176,10 @@ int cxl_start_context(struct cxl_context *ctx, u64 wed, kernel = false; } + /* + * Increment driver use count. Enables global TLBIs for hash + * and callbacks to handle the segment table + */ cxl_ctx_get(); if ((rc = cxl_attach_process(ctx, kernel, wed , 0))) { diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c index 10a02934bfc0..013558f4da4f 100644 --- a/drivers/misc/cxl/file.c +++ b/drivers/misc/cxl/file.c @@ -94,7 +94,6 @@ static int __afu_open(struct inode *inode, struct file *file, bool master) pr_devel("afu_open pe: %i\n", ctx->pe); file->private_data = ctx; - cxl_ctx_get(); /* indicate success */ rc = 0; @@ -205,11 +204,18 @@ static long afu_ioctl_start_work(struct cxl_context *ctx, ctx->pid = get_task_pid(current, PIDTYPE_PID); ctx->glpid = get_task_pid(current->group_leader, PIDTYPE_PID); + /* + * Increment driver use count. Enables global TLBIs for hash + * and callbacks to handle the segment table + */ + cxl_ctx_get(); + trace_cxl_attach(ctx, work.work_element_descriptor, work.num_interrupts, amr); if ((rc = cxl_attach_process(ctx, false, work.work_element_descriptor, amr))) { afu_release_irqs(ctx, ctx); + cxl_ctx_put(); goto out; } |