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Sudeep Holla c61b781ee0 mailbox: always wait in mbox_send_message for blocking Tx mode
There exists a race when msg_submit return immediately as there was an
active request being processed which may have completed just before it's
checked again in mbox_send_message. This will result in return to the
caller without waiting in mbox_send_message even when it's blocking Tx.

This patch fixes the issue by waiting for the completion always if Tx
is in blocking mode.

Fixes: 2b6d83e2b8 ("mailbox: Introduce framework for mailbox")
Reported-by: Alexey Klimov <alexey.klimov@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Alexey Klimov <alexey.klimov@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2017-04-27 16:20:04 +05:30
arch
block
certs
crypto
Documentation dt-bindings: Add DT bindings info for FlexRM ring manager 2017-03-28 23:33:51 +05:30
drivers mailbox: always wait in mbox_send_message for blocking Tx mode 2017-04-27 16:20:04 +05:30
firmware
fs
include mailbox: Add driver for Broadcom FlexRM ring manager 2017-03-28 23:33:30 +05:30
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README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.