Re: [PATCH v3 11/14] intel_gna: add ioctl handler
From: Matthew Wilcox <willy@infradead.org>
Date: 2021-05-13 14:19:00
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On Thu, May 13, 2021 at 01:00:37PM +0200, Maciej Kwapulinski wrote:
+#include <linux/idr.h>
Please don't use the IDR in new code. Use the XArray instead.
+ mutex_lock(&gna_priv->memidr_lock); + mo = idr_find(&gna_priv->memory_idr, memory_id); + mutex_unlock(&gna_priv->memidr_lock);
You don't need your own lock with the XArray.