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Currently FF-A specification defines only one framework notification: RX buffer full notification. This notification is signaled by the partition manager during transmission of a partition message through indirect messaging to, 1. Notify an endpoint that it has a pending message in its Rx buffer. 2. Inform the message receiver’s scheduler via the schedule receiver interrupt that the receiver must be run. In response to an FFA_MSG_SEND2 invocation by a sender endpoint, the framework performs the following actions after the message is copied from the Tx buffer of the sender to the Rx buffer of the receiver: 1. The notification is pended in the framework notification bitmap of the receiver. 2. The partition manager of the endpoint that contains receiver’s scheduler pends the schedule receiver interrupt for this endpoint. The receiver receives the notification and copies out the message from its Rx buffer. Tested-by: Viresh Kumar <viresh.kumar@linaro.org> Message-Id: <20250217-ffa_updates-v3-17-bd1d9de615e7@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> |
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| fs | ||
| include | ||
| init | ||
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| ipc | ||
| kernel | ||
| lib | ||
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| .cocciconfig | ||
| .editorconfig | ||
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| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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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.