On Mon, Jun 05, 2023 at 02:27:20AM +1200,
Kai Huang <kai.huang@xxxxxxxxx> wrote:
> diff --git a/arch/x86/include/asm/tdx.h b/arch/x86/include/asm/tdx.h
> index b489b5b9de5d..03f74851608f 100644
> --- a/arch/x86/include/asm/tdx.h
> +++ b/arch/x86/include/asm/tdx.h
> @@ -102,8 +102,12 @@ static inline long tdx_kvm_hypercall(unsigned int nr, unsigned long p1,
>
> #ifdef CONFIG_INTEL_TDX_HOST
> bool platform_tdx_enabled(void);
> +int tdx_cpu_enable(void);
> +int tdx_enable(void);
> #else /* !CONFIG_INTEL_TDX_HOST */
> static inline bool platform_tdx_enabled(void) { return false; }
> +static inline int tdx_cpu_enable(void) { return -ENODEV; }
> +static inline int tdx_enable(void) { return -ENODEV; }
> #endif /* CONFIG_INTEL_TDX_HOST */
>
> #endif /* !__ASSEMBLY__ */
Please include errno.h.
In the case of !INTEL_TDX_HOST && INTEL_TDX_GUEST,
drivers/virt/coco/tdx-guest/tdx-guest.c results in compile error.
Although there are other files that include asm/tdx.h, they seem to luckily
include errno.h directly or indirectly.
--
Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
