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Hi Linus, Please, pull the following patches that enable -Wstringop-overflow, globally. These patches have been baking in linux-next for a whole development cycle. I waited for the release of -rc1 to run a final build-test on top of it before sending this pull request. Fortunatelly, after building 358 kernels overnight (basically all supported archs with a wide variety of configs), no more warnings have surfaced! :) Thus, we are in a good position to enable this compiler option for all versions of GCC that support it, with the exception of GCC-11, which appears to have some issues with this option[1]. [1] https://lore.kernel.org/lkml/b3c99290-40bc-426f-b3d2-1aa903f95c4e@embeddedor.com/ Thanks -- Gustavo -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEkmRahXBSurMIg1YvRwW0y0cG2zEFAmWuiFUACgkQRwW0y0cG 2zGfKQ/+LS/H1AepM0ehS1NYr8Y4WC+eiNNLQc/5h/SmV0Mb3W38vRq/VGbm5Jj8 fp/5sWpEsCskeThzGag65jIizdmqr3mqTz7tkHVpzwwqFUOG9Q7z7YAmCtQjsvl8 BIKnHierBu2SWc31Sa0zclkjPu8GEt2YMROVq0opkqsw74h7QvQtfqUkHiPvxW5H TgejCmpjJNu5Z4PZl50A70IkdcwXtKFmHZki8tblslYD6jY5Whzv1UHbBpgtn0ec pt793J+bj2xxUm4QRMPyJU6eIXpW/VFyG2815+lRrRApcLqzJAqxvFLQcJDftOMR 7pidsx+w4rHLzomgAYW+FvF00dwoiiB3IcPKRLl/reCNEQnzT0+yo/eoEZWAuu+4 RdRxhSz+Y6ZLfG0bV2DJ4mNinZYwqwSjTdmCvBZ8gzbTul3keW7sAuQnlt2VpC4J 4SLuRF+o7p3cxm/36f4CP1YPEhqVKtSCyCMKBISfrPNmna4ilHf4Ut4lhmDZX8R9 1qIWygeRPMcHAuQANfAvRJ0ftn4sXpHfZGF0QblVLSKU4dJCEmeLrY0G/DZ7eri5 cp51qxMK/Y3HibdzW8hNLKNczHGsoJxGShA5K517BLjRa94qqNKmqSQ7MJMzxaYw ayDneyxs9VJqwvoqPtj69gU9g298MUeKaO2R4u0QnHqCj3uEcnY= =SDV5 -----END PGP SIGNATURE----- Merge tag 'Wstringop-overflow-for-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull stringop-overflow warning update from Gustavo A. R. Silva: "Enable -Wstringop-overflow globally. I waited for the release of -rc1 to run a final build-test on top of it before sending this pull request. Fortunatelly, after building 358 kernels overnight (basically all supported archs with a wide variety of configs), no more warnings have surfaced! :) Thus, we are in a good position to enable this compiler option for all versions of GCC that support it, with the exception of GCC-11, which appears to have some issues with this option [1]" Link: https://lore.kernel.org/lkml/b3c99290-40bc-426f-b3d2-1aa903f95c4e@embeddedor.com/ [1] * tag 'Wstringop-overflow-for-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: init: Kconfig: Disable -Wstringop-overflow for GCC-11 Makefile: Enable -Wstringop-overflow globally |
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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.