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906174776c
Pull x86 speculation mitigation updates from Borislav Petkov: - Some preparatory work to convert the mitigations machinery to mitigating attack vectors instead of single vulnerabilities - Untangle and remove a now unneeded X86_FEATURE_USE_IBPB flag - Add support for a Zen5-specific SRSO mitigation - Cleanups and minor improvements * tag 'x86_bugs_for_v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/bugs: Make spectre user default depend on MITIGATION_SPECTRE_V2 x86/bugs: Use the cpu_smt_possible() helper instead of open-coded code x86/bugs: Add AUTO mitigations for mds/taa/mmio/rfds x86/bugs: Relocate mds/taa/mmio/rfds defines x86/bugs: Add X86_BUG_SPECTRE_V2_USER x86/bugs: Remove X86_FEATURE_USE_IBPB KVM: nVMX: Always use IBPB to properly virtualize IBRS x86/bugs: Use a static branch to guard IBPB on vCPU switch x86/bugs: Remove the X86_FEATURE_USE_IBPB check in ib_prctl_set() x86/mm: Remove X86_FEATURE_USE_IBPB checks in cond_mitigation() x86/bugs: Move the X86_FEATURE_USE_IBPB check into callers x86/bugs: KVM: Add support for SRSO_MSR_FIX
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.