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Ellen Pan 086809c82c drm/amdgpu: Implement unrecoverable error message handling for VFs
This notification may arrive in VF mailbox while polling for response from
another event.

This patches covers the following scenarios:

- If VF is already in RMA state, then do not attempt to contact the host.
  Host will ignore the VF after sending the notification.

- If the notification is detected during polling, then set the RMA status,
  and return error to caller.

- If the notification arrives by interrupt, then set the RMA status and
  queue a reset.  This reset will fail and VF will stop runtime services.

Reviewed-by: Shravan Kumar Gande <Shravankumar.Gande@amd.com>
Signed-off-by: Victor Skvortsov <victor.skvortsov@amd.com>
Signed-off-by: Ellen Pan <yunru.pan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
History 2025-05-07 17:43:13 -04:00
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README

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 reStructuredText 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.