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TSA are new aspeculative side channel attacks related to the execution timing of instructions under specific microarchitectural conditions. In some cases, an attacker may be able to use this timing information to infer data from other contexts, resulting in information leakage. Add the usual controls of the mitigation and integrate it into the existing speculation bugs infrastructure in the kernel. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmhSsvQACgkQEsHwGGHe VUrWNw//V+ZabYq3Nnvh4jEe6Altobnpn8bOIWmcBx6I3xuuArb9bLqcbKerDIcC POVVW6zrdNigDe/U4aqaJXE7qCRX55uTYbhp8OLH0zzqX3Pjl/hUnEXWtMtlXj/G CIM5mqjqEFp5JRGXetdjjuvjG1IPf+CbjKqj2WXbi//T6F3LiAFxkzdUhd+clBF/ ztWchjwUmqU0WJd6+Smb8ZnvWrLoZuOFldjhFad820B7fqkdJhzjHMmwBHJKUEZu oABv8B0/4IALrx6LenCspWS4OuTOGG7DKyIgzitByXygXXb4L3ZUKpuqkxBU7hFx bscwtOP7e5HIYAekx6ZSLZoZpYQXr1iH0aRGrjwapi3ASIpUwI0UA9ck2PdGo0IY 0GvmN0vbybskewBQyG819BM+DCau5pOLWuL7cYmaD2eTNoOHOknMDNlO8VzXqJxa NnignSuEWFm2vNV1FXEav2YbVjlanV6JleiPDGBe5Xd9dnxZTvg9HuP2NkYio4dZ mb/kEU/kTcN8nWh0Q96tX45kmj0vCbBgrSQkmUpyAugp38n69D1tp3ii9D/hyQFH hKGcFC9m+rYVx1NLyAxhTGxaEqF801d5Qawwud8HsnQudTpCdSXD9fcBg9aCbWEa FymtDpIeUQrFAjDpVEp6Syh3odKvLXsGEzL+DVvqKDuA8r6DxFo= =2cLl -----END PGP SIGNATURE----- Merge tag 'tsa_x86_bugs_for_6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull CPU speculation fixes from Borislav Petkov: "Add the mitigation logic for Transient Scheduler Attacks (TSA) TSA are new aspeculative side channel attacks related to the execution timing of instructions under specific microarchitectural conditions. In some cases, an attacker may be able to use this timing information to infer data from other contexts, resulting in information leakage. Add the usual controls of the mitigation and integrate it into the existing speculation bugs infrastructure in the kernel" * tag 'tsa_x86_bugs_for_6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/process: Move the buffer clearing before MONITOR x86/microcode/AMD: Add TSA microcode SHAs KVM: SVM: Advertise TSA CPUID bits to guests x86/bugs: Add a Transient Scheduler Attacks mitigation x86/bugs: Rename MDS machinery to something more generic |
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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 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.