- prevent unprivileged userspace from reinitializing supervisor states
- Prepare init_fpstate, which is the buffer used when initializing
FPU state, properly in case the skip-writing-state-components XSAVE*
variants are used.
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Merge tag 'x86_urgent_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"Two more urgent FPU fixes:
- prevent unprivileged userspace from reinitializing supervisor
states
- prepare init_fpstate, which is the buffer used when initializing
FPU state, properly in case the skip-writing-state-components
XSAVE* variants are used"
* tag 'x86_urgent_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Make init_fpstate correct with optimized XSAVE
x86/fpu: Preserve supervisor states in sanitize_restored_user_xstate()
94ca94bbbb