linux-kernel - Re: [PATCH] tools/virtio: Fix build

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Date:   Sun, 13 Oct 2019 14:01:03 +0200
From:   Jan Kiszka <jan.kiszka@....de>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     Jason Wang <jasowang@...hat.com>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tools/virtio: Fix build

On 13.10.19 13:52, Michael S. Tsirkin wrote:
> On Sun, Oct 13, 2019 at 11:03:30AM +0200, Jan Kiszka wrote:
>> From: Jan Kiszka <jan.kiszka@...mens.com>
>>
>> Various changes in the recent kernel versions broke the build due to
>> missing function and header stubs.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
>
> Thanks!
> I think it's already fixes in the vhost tree.
> That tree also includes a bugfix for the test.
> Can you pls give it a spin and report?

Mostly fixed: the xen_domain stup is missing.

Jan

> Thanks!
>
>> ---
>>  tools/virtio/crypto/hash.h       | 0
>>  tools/virtio/linux/dma-mapping.h | 2 ++
>>  tools/virtio/linux/kernel.h      | 2 ++
>>  3 files changed, 4 insertions(+)
>>  create mode 100644 tools/virtio/crypto/hash.h
>>
>> diff --git a/tools/virtio/crypto/hash.h b/tools/virtio/crypto/hash.h
>> new file mode 100644
>> index 000000000000..e69de29bb2d1
>> diff --git a/tools/virtio/linux/dma-mapping.h b/tools/virtio/linux/dma-mapping.h
>> index f91aeb5fe571..db96cb4bf877 100644
>> --- a/tools/virtio/linux/dma-mapping.h
>> +++ b/tools/virtio/linux/dma-mapping.h
>> @@ -29,4 +29,6 @@ enum dma_data_direction {
>>  #define dma_unmap_single(...) do { } while (0)
>>  #define dma_unmap_page(...) do { } while (0)
>>
>> +#define dma_max_mapping_size(d)	0
>> +
>>  #endif
>> diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
>> index 6683b4a70b05..ccf321173210 100644
>> --- a/tools/virtio/linux/kernel.h
>> +++ b/tools/virtio/linux/kernel.h
>> @@ -141,4 +141,6 @@ static inline void free_page(unsigned long addr)
>>  #define list_for_each_entry(a, b, c) while (0)
>>  /* end of stubs */
>>
>> +#define xen_domain() 0
>> +
>>  #endif /* KERNEL_H */
>> --
>> 2.16.4