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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-10-03 11:09:16 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-10-03 11:09:16 +0200
commit0d3c24e936feefeca854073ccb40613cd6eba9a9 (patch)
tree1f675397b924846740b0931b066ddce6f3d7eb3d /drivers/misc/cxl/file.c
parent1af0838de60e723cb02253ecc9b555c30f8f6a6f (diff)
parentebec44a2456fbe5fe18aae88f6010f6878f0cb4a (diff)
downloadtalos-op-linux-0d3c24e936feefeca854073ccb40613cd6eba9a9.tar.gz
talos-op-linux-0d3c24e936feefeca854073ccb40613cd6eba9a9.zip
Merge airlied/drm-next into drm-misc-next
Just catching up with upstream. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/misc/cxl/file.c')
-rw-r--r--drivers/misc/cxl/file.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c
index 0761271d68c5..4bfad9f6dc9f 100644
--- a/drivers/misc/cxl/file.c
+++ b/drivers/misc/cxl/file.c
@@ -95,7 +95,6 @@ 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;
@@ -225,6 +224,12 @@ static long afu_ioctl_start_work(struct cxl_context *ctx,
if (ctx->mm)
mmput(ctx->mm);
+ /*
+ * 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_ops->attach_process(ctx, false, work.work_element_descriptor,
@@ -233,6 +238,7 @@ static long afu_ioctl_start_work(struct cxl_context *ctx,
cxl_adapter_context_put(ctx->afu->adapter);
put_pid(ctx->pid);
ctx->pid = NULL;
+ cxl_ctx_put();
cxl_context_mm_count_put(ctx);
goto out;
}
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