pagetable to prevent any stale entries' presence
- Flush global mappings from the TLB, in addition to the CR3-write,
after switching off of the trampoline_pgd during boot to clear the
identity mappings
- Prevent instrumentation issues resulting from the above changes
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Merge tag 'x86_mm_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Borislav Petkov:
- Flush *all* mappings from the TLB after switching to the trampoline
pagetable to prevent any stale entries' presence
- Flush global mappings from the TLB, in addition to the CR3-write,
after switching off of the trampoline_pgd during boot to clear the
identity mappings
- Prevent instrumentation issues resulting from the above changes
* tag 'x86_mm_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Prevent early boot triple-faults with instrumentation
x86/mm: Include spinlock_t definition in pgtable.
x86/mm: Flush global TLB when switching to trampoline page-table
x86/mm/64: Flush global TLB on boot and AP bringup
x86/realmode: Add comment for Global bit usage in trampoline_pgd
x86/mm: Add missing <asm/cpufeatures.h> dependency to <asm/page_64.h>
4a692ae360