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Message-Id: <20221110061111.383076-1-xianting.tian@linux.alibaba.com>
Date: Thu, 10 Nov 2022 14:11:11 +0800
From: Xianting Tian <xianting.tian@...ux.alibaba.com>
To: mst@...hat.com, jasowang@...hat.com
Cc: virtualization@...ts.linux-foundation.org,
linux-kernel@...r.kernel.org,
Xianting Tian <xianting.tian@...ux.alibaba.com>
Subject: [PATCH] virtio_pci: use PAGE_SIZE for pci vring align
As the comments of VIRTIO_PCI_VRING_ALIGN shows, we should use
PAGE_SZIE not the hard code 4096.
Signed-off-by: Xianting Tian <xianting.tian@...ux.alibaba.com>
---
include/uapi/linux/virtio_pci.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index f703afc7ad31..ed5f678c682b 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h
@@ -90,7 +90,7 @@
/* The alignment to use between consumer and producer parts of vring.
* x86 pagesize again. */
-#define VIRTIO_PCI_VRING_ALIGN 4096
+#define VIRTIO_PCI_VRING_ALIGN PAGE_SIZE
#endif /* VIRTIO_PCI_NO_LEGACY */
--
2.17.1
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