Pull x86/fpu updates from Ingo Molnar:
- Improve crypto performance by making kernel-mode FPU reliably usable
in softirqs ((Eric Biggers)
- Fully optimize out WARN_ON_FPU() (Eric Biggers)
- Initial steps to support Support Intel APX (Advanced Performance
Extensions) (Chang S. Bae)
- Fix KASAN for arch_dup_task_struct() (Benjamin Berg)
- Refine and simplify the FPU magic number check during signal return
(Chang S. Bae)
- Fix inconsistencies in guest FPU xfeatures (Chao Gao, Stanislav
Spassov)
- selftests/x86/xstate: Introduce common code for testing extended
states (Chang S. Bae)
- Misc fixes and cleanups (Borislav Petkov, Colin Ian King, Uros
Bizjak)
* tag 'x86-fpu-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu/xstate: Fix inconsistencies in guest FPU xfeatures
x86/fpu: Clarify the "xa" symbolic name used in the XSTATE* macros
x86/fpu: Use XSAVE{,OPT,C,S} and XRSTOR{,S} mnemonics in xstate.h
x86/fpu: Improve crypto performance by making kernel-mode FPU reliably usable in softirqs
x86/fpu/xstate: Simplify print_xstate_features()
x86/fpu: Refine and simplify the magic number check during signal return
selftests/x86/xstate: Fix spelling mistake "hader" -> "header"
x86/fpu: Avoid copying dynamic FP state from init_task in arch_dup_task_struct()
vmlinux.lds.h: Remove entry to place init_task onto init_stack
selftests/x86/avx: Add AVX tests
selftests/x86/xstate: Clarify supported xstates
selftests/x86/xstate: Consolidate test invocations into a single entry
selftests/x86/xstate: Introduce signal ABI test
selftests/x86/xstate: Refactor ptrace ABI test
selftests/x86/xstate: Refactor context switching test
selftests/x86/xstate: Enumerate and name xstate components
selftests/x86/xstate: Refactor XSAVE helpers for general use
selftests/x86: Consolidate redundant signal helper functions
x86/fpu: Fix guest FPU state buffer allocation size
x86/fpu: Fully optimize out WARN_ON_FPU()
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