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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 <ard.biesheuvel@linaro.org>
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Dave Martin 2017-09-18 09:40:12 +01:00 committed by Catalin Marinas
parent 2bd6bf03f4
commit e580b8bc43
1 changed files with 4 additions and 0 deletions
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4
arch/arm64/kernel/fpsimd.c
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@ -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