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Ingo Molnar authored
Use the new 'cpu_has_xfeatures()' function to query AVX CPU support. This has the following advantages to the driver: - Decouples the driver from FPU internals: it's now only using <asm/fpu/api.h>. - Removes detection complexity from the driver, no more raw XGETBV instruction - Shrinks the code a bit. - Standardizes feature name error message printouts across drivers There are also advantages to the x86 FPU code: once all drivers are decoupled from internals we can move them out of common headers and we'll also be able to remove xcr.h. Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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