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Commit699b045a8e("net: virtio_net: notifications coalescing support") added coalescing command support for virtio_net. However, the coalesce commands are using buffers on the stack, which is causing the device to see DMA errors. There should also be a complaint from check_for_stack() in debug_dma_map_xyz(). Fix this by adding and using coalesce params from the control_buf struct, which aligns with other commands. Cc: [email protected] Fixes:699b045a8e("net: virtio_net: notifications coalescing support") Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: Allen Hubbe <[email protected]> Signed-off-by: Brett Creeley <[email protected]> Acked-by: Jason Wang <[email protected]> Reviewed-by: Xuan Zhuo <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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