From e580b8bc4316cbb8bbffb5ed7bf1e477064755ed Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 18 Sep 2017 09:40:12 +0100 Subject: arm64: efi: Don't include EFI fpsimd save/restore code in non-EFI kernels __efi_fpsimd_begin()/__efi_fpsimd_end() are for use when making EFI calls only, so using them in non-EFI kernels is not allowed. This patch compiles them out if CONFIG_EFI is not set. Acked-by: Ard Biesheuvel Signed-off-by: Dave Martin Signed-off-by: Catalin Marinas --- arch/arm64/kernel/fpsimd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 3a68cf38a6b3..f444f374bd7b 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -321,6 +321,8 @@ void kernel_neon_end(void) } EXPORT_SYMBOL(kernel_neon_end); +#ifdef CONFIG_EFI + static DEFINE_PER_CPU(struct fpsimd_state, efi_fpsimd_state); static DEFINE_PER_CPU(bool, efi_fpsimd_state_used); @@ -370,6 +372,8 @@ void __efi_fpsimd_end(void) kernel_neon_end(); } +#endif /* CONFIG_EFI */ + #endif /* CONFIG_KERNEL_MODE_NEON */ #ifdef CONFIG_CPU_PM -- cgit v1.2.3-59-g8ed1b