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

From: Pankaj Gupta
Date: Fri Jul 05 2019 - 04:45:57 EST



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;
};