Re: [PATCH 00/14] tools/virtio: cleanups, fixes

[Michael S. Tsirkin]

On Thu, Dec 04, 2025 at 01:46:01PM -0500, Michael S. Tsirkin wrote:
> Recent virtio changes brought about build errors for tools/virtio,
> as usual. I did some refactoring to hopefully reduce maintainance
> load going forward.
> 
> Adding stubs is tedious and seemed a perfect fit for cursor -
> so I used it for that, then rewrote some commits and accepted
> others.  commit logs I've rewritten.
> 
> Found and fixed a couple of minor bugs while doing this - that
> part's all mine.


Jason, any feedback?

> Michael S. Tsirkin (14):
>   tools/virtio: fix up compiler.h stub
>   virtio: make it self-contained
>   tools/virtio: use kernel's virtio.h
>   tools/virtio: add struct module forward declaration
>   tools/virtio: stub DMA mapping functions
>   tools/virtio: add dev_WARN_ONCE and is_vmalloc_addr stubs
>   tools/virtio: add ucopysize.h stub
>   tools/virtio: pass KCFLAGS to module build
>   tools/virtio: add struct cpumask to cpumask.h
>   tools/virtio: stub might_sleep and synchronize_rcu
>   tools/virtio: switch to kernel's virtio_config.h
>   virtio_features: make it self-contained
>   tools/virtio: fix up oot build
>   tools/virtio: add device, device_driver stubs
> 
>  include/linux/virtio.h             |   2 +
>  include/linux/virtio_features.h    |   2 +
>  tools/virtio/Makefile              |   8 ++-
>  tools/virtio/linux/compiler.h      |   6 ++
>  tools/virtio/linux/cpumask.h       |   4 ++
>  tools/virtio/linux/device.h        |   8 +++
>  tools/virtio/linux/dma-mapping.h   |   4 ++
>  tools/virtio/linux/kernel.h        |  16 +++++
>  tools/virtio/linux/module.h        |   2 +
>  tools/virtio/linux/ucopysize.h     |  21 ++++++
>  tools/virtio/linux/virtio.h        |  73 +--------------------
>  tools/virtio/linux/virtio_config.h | 102 +----------------------------
>  tools/virtio/oot-stubs.h           |  10 +++
>  13 files changed, 82 insertions(+), 176 deletions(-)
>  create mode 100644 tools/virtio/linux/ucopysize.h
>  create mode 100644 tools/virtio/oot-stubs.h
> 
> -- 
> MST
>