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(not turned on by default), which also need STIBP enabled (if available) to be '100% safe' on even the shortest speculation windows. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmL3fqcRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gnuw/6AighFp+Gp4qXP1DIVU+acVnZsxbdt7GA WGs/JJfKYsKpWvDGFxnwtF2V1Imq8XVRPVPyFKvLQiBs2h8vNcVkgIvJsdeTFsqQ uUwUaYgDXuhLYaFpnMGouoeA3iw2zf/CY5ZJX79Nl/CwNwT7FxiLbu+JF/I2Yc0V yddiQ8xgT0VJhaBcUTsD2qFl8wjpxer7gNBFR4ujiYWXHag3qKyZuaySmqCz4xhd 4nyhJCp34548MsTVXDys2gnYpgLWweB9zOPvH4+GgtiFF3UJxRMhkB9NzfZq1l5W tCjgGupb3vVoXOVb/xnXyZlPbdFNqSAja7iOXYdmNUSURd7LC0PYHpVxN0rkbFcd V6noyU3JCCp86ceGTC0u3Iu6LLER6RBGB0gatVlzomWLjTEiC806eo23CVE22cnk poy7FO3RWa+q1AqWsEzc3wr14ZgSKCBZwwpn6ispT/kjx9fhAFyKtH2/Sznx26GH yKOF7pPCIXjCpcMnNoUu8cVyzfk0g3kOWQtKjaL9WfeyMtBaHhctngR0s1eCxZNJ rBlTs+YO7fO42unZEExgvYekBzI70aThIkvxahKEWW48owWph+i/sn5gzdVF+ynR R4PGeylfd8ZXr21cG2rG9250JLwqzhsxnAGvNjYg1p/hdyrzLTGWHIc9r9BU9000 mmOP9uY6Cjc= =Ac6x -----END PGP SIGNATURE----- Merge tag 'x86-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Ingo Molnar: "Fix the 'IBPB mitigated RETBleed' mode of operation on AMD CPUs (not turned on by default), which also need STIBP enabled (if available) to be '100% safe' on even the shortest speculation windows" * tag 'x86-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/bugs: Enable STIBP for IBPB mitigated RETBleed
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.