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> -static DEFINE_MUTEX(ida_lock); > > /* > * ictx is an array based off of accelerator types. enum idxd_type > @@ -123,9 +122,7 @@ static void idxd_file_dev_release(struct device *dev) > struct idxd_device *idxd = wq->idxd; > int rc; > > - mutex_lock(&ida_lock); > ida_free(&file_ida, ctx->id); > - mutex_unlock(&ida_lock); > > /* Wait for in-flight operations to complete. */ > if (wq_shared(wq)) { > @@ -284,9 +281,7 @@ static int idxd_cdev_open(struct inode *inode, struct file *filp) > } > > idxd_cdev = wq->idxd_cdev; > - mutex_lock(&ida_lock); > ctx->id = ida_alloc(&file_ida, GFP_KERNEL); > - mutex_unlock(&ida_lock); > if (ctx->id < 0) { > dev_warn(dev, "ida alloc failure\n"); > goto failed_ida;