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powerpc: implement ARCH_HAS_KERNEL_FPU_SUPPORT
PowerPC provides an equivalent to the common kernel-mode FPU API, but in a different header and using different function names. The PowerPC API also requires a non-preemptible context. Add a wrapper header, and export the CFLAGS adjustments. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Samuel Holland <[email protected]> Acked-by: Michael Ellerman <[email protected]> (powerpc) Reviewed-by: Christoph Hellwig <[email protected]> Acked-by: Christian König <[email protected]> Cc: Alex Deucher <[email protected]> Cc: Borislav Petkov (AMD) <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Huacai Chen <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Masahiro Yamada <[email protected]> Cc: Nathan Chancellor <[email protected]> Cc: Nicolas Schier <[email protected]> Cc: Palmer Dabbelt <[email protected]> Cc: Russell King <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: WANG Xuerui <[email protected]> Cc: Will Deacon <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
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