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201362ccb6
poky/bitbake
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Richard Purdie 201362ccb6 bitbake: runqueue: Fix deferred task/multiconfig race issue 
If there are several multiconfigs in play for example a non-multiconfig with
a task with one hash and then three multiconfigs for the same task, different
architectures but the same hash (different to the non-mc), the three mcs
will be deferred until after the non-mc task but then will all run together
and race against each other.

Change the code to re-enable deferred tasks one at a time. This way, if they do
race, they won't run in parallel against each other.

(Bitbake rev: 907416ee1062f87f5844ab0638b54616abfc1a22)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 9523e28658ad7fb446645b590608dfac2812afd3)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
2023-07-12 05:11:37 -10:00
..
bin bitbake: bin/utils: Ensure locale en_US.UTF-8 is available on the system 2023-04-26 04:03:21 -10:00
contrib bitbake: contrib: Add Dockerfile for building PR service 2022-03-23 12:08:56 +00:00
doc bitbake: fetch2/git: Clarify the meaning of namespace 2023-02-04 10:34:05 +00:00
lib bitbake: runqueue: Fix deferred task/multiconfig race issue 2023-07-12 05:11:37 -10:00
.gitattributes bitbake: .gitattributes: Add to improve git diff for minified css/js files 2019-03-07 12:18:48 +00:00
AUTHORS
ChangeLog
LICENSE bitbake: bitbake: Add initial pass of SPDX license headers to source code 2019-05-04 10:44:04 +01:00
LICENSE.GPL-2.0-only bitbake: bitbake: Add initial pass of SPDX license headers to source code 2019-05-04 10:44:04 +01:00
LICENSE.MIT bitbake: bitbake: Add initial pass of SPDX license headers to source code 2019-05-04 10:44:04 +01:00
README bitbake: bitbake: replace http with https for URLs 2021-10-08 17:04:59 +01:00
toaster-requirements.txt bitbake: toaster-requirements.txt: Django 3.2 LTS 2022-03-15 08:40:09 +00:00

README 

Bitbake
=======

BitBake is a generic task execution engine that allows shell and Python tasks to be run
efficiently and in parallel while working within complex inter-task dependency constraints.
One of BitBake's main users, OpenEmbedded, takes this core and builds embedded Linux software
stacks using a task-oriented approach.

For information about Bitbake, see the OpenEmbedded website:
    https://www.openembedded.org/

Bitbake plain documentation can be found under the doc directory or its integrated
html version at the Yocto Project website:
    https://docs.yoctoproject.org

Contributing
------------

Please refer to
https://www.openembedded.org/wiki/How_to_submit_a_patch_to_OpenEmbedded
for guidelines on how to submit patches, just note that the latter documentation is intended
for OpenEmbedded (and its core) not bitbake patches (bitbake-devel@lists.openembedded.org)
but in general main guidelines apply. Once the commit(s) have been created, the way to send
the patch is through git-send-email. For example, to send the last commit (HEAD) on current
branch, type:

    git send-email -M -1 --to bitbake-devel@lists.openembedded.org

Mailing list:

    https://lists.openembedded.org/g/bitbake-devel

Source code:

    https://git.openembedded.org/bitbake/

Testing:

Bitbake has a testsuite located in lib/bb/tests/ whichs aim to try and prevent regressions.
You can run this with "bitbake-selftest". In particular the fetcher is well covered since
it has so many corner cases. The datastore has many tests too. Testing with the testsuite is
recommended before submitting patches, particularly to the fetcher and datastore. We also
appreciate new test cases and may require them for more obscure issues.