Subject: Re: linux-next: build failure after merge of the nvdimm tree

From: Pankaj Gupta <[email-masked]>
Date: Fri, 5 Jul 2019 04:45:43 -0400 (EDT)

Hi Stephen,
> 
> Hi all,
> 
> After merging the nvdimm tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> In file included from :32:
> ./usr/include/linux/virtio_pmem.h:19:2: error: unknown type name 'uint64_t'
>   uint64_t start;
>   ^~~~~~~~
> ./usr/include/linux/virtio_pmem.h:20:2: error: unknown type name 'uint64_t'
>   uint64_t size;
>   ^~~~~~~~
> 
> Caused by commit
> 
>   403b7f973855 ("virtio-pmem: Add virtio pmem driver")
> 
> I have used the nvdimm tree from next-20190704 for today.

Thank you for the report.

Can we apply below patch [1] on top to complete linux-next build for today.
I have tested this locally.

Thanks,
Pankaj

========

[1]

diff --git a/drivers/nvdimm/virtio_pmem.h b/drivers/nvdimm/virtio_pmem.h
index 998efbc7660c..dbc12dfe8067 100644
--- a/drivers/nvdimm/virtio_pmem.h
+++ b/drivers/nvdimm/virtio_pmem.h
@@ -46,8 +46,8 @@ struct virtio_pmem {
        spinlock_t pmem_lock;
 
        /* Memory region information */
-       uint64_t start;
-       uint64_t size;
+       u64 start;
+       u64 size;
 };
 
 void virtio_pmem_host_ack(struct virtqueue *vq);
diff --git a/include/uapi/linux/virtio_pmem.h b/include/uapi/linux/virtio_pmem.h
index 379861f114f1..efcd72f2d20d 100644
--- a/include/uapi/linux/virtio_pmem.h
+++ b/include/uapi/linux/virtio_pmem.h
@@ -11,25 +11,24 @@
 #define _UAPI_LINUX_VIRTIO_PMEM_H
 
 #include <linux/types.h>
-#include <linux/virtio_types.h>
 #include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
 struct virtio_pmem_config {
-       uint64_t start;
-       uint64_t size;
+       __u64 start;
+       __u64 size;
 };
 
 #define VIRTIO_PMEM_REQ_TYPE_FLUSH      0
 
 struct virtio_pmem_resp {
        /* Host return status corresponding to flush request */
-       __virtio32 ret;
+       __u32 ret;
 };
 
 struct virtio_pmem_req {
        /* command type */
-       __virtio32 type;
+       __u32 type;
 };