linux-kernel - [PATCH 2/2] vringh: Include spinlock.h

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Date:   Tue,  6 Jul 2021 16:26:32 +0200
From:   Eugenio Pérez <eperezma@...hat.com>
To:     mst@...hat.com, linux-kernel@...r.kernel.org
Cc:     Matthew Wilcox <willy@...radead.org>,
        Jason Wang <jasowang@...hat.com>,
        Stefano Garzarella <sgarzare@...hat.com>,
        Yunsheng Lin <linyunsheng@...wei.com>
Subject: [PATCH 2/2] vringh: Include spinlock.h

Commit f53d9910d009 ("vringh: add 'iotlb_lock' to synchronize iotlb
accesses") introduces this dependency, but does not include spinlock.h.
While kernel seems to compile as usual, tools/virtio cannot do the
same.

Fixes: f53d9910d009 ("vringh: add 'iotlb_lock' to synchronize iotlb accesses")

Signed-off-by: Eugenio Pérez <eperezma@...hat.com>
---
 include/linux/vringh.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/vringh.h b/include/linux/vringh.h
index 84db7b8f912f..212892cf9822 100644
--- a/include/linux/vringh.h
+++ b/include/linux/vringh.h
@@ -14,6 +14,7 @@
 #include <linux/virtio_byteorder.h>
 #include <linux/uio.h>
 #include <linux/slab.h>
+#include <linux/spinlock.h>
 #if IS_REACHABLE(CONFIG_VHOST_IOTLB)
 #include <linux/dma-direction.h>
 #include <linux/vhost_iotlb.h>
-- 
2.27.0