Re: [PATCH v7 09/10] arm64: efi: Export screen_info

From: Greg KH <gregkh@linuxfoundation.org>
To: Michael Kelley <mikelley@microsoft.com>
Cc: will@kernel.org, ardb@kernel.org, arnd@arndb.de,
	catalin.marinas@arm.com, mark.rutland@arm.com, maz@kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org,
	linux-efi@vger.kernel.org, linux-arch@vger.kernel.org,
	wei.liu@kernel.org, vkuznets@redhat.com, kys@microsoft.com,
	sunilmut@microsoft.com, boqun.feng@gmail.com
Subject: Re: [PATCH v7 09/10] arm64: efi: Export screen_info
Date: Mon, 24 Aug 2020 19:35:02 +0200	[thread overview]
Message-ID: <20200824173502.GA1161855@kroah.com> (raw)
In-Reply-To: <1598287583-71762-10-git-send-email-mikelley@microsoft.com>

On Mon, Aug 24, 2020 at 09:46:22AM -0700, Michael Kelley wrote:
> The Hyper-V frame buffer driver may be built as a module, and
> it needs access to screen_info. So export screen_info.
> 
> Signed-off-by: Michael Kelley <mikelley@microsoft.com>
> ---
>  arch/arm64/kernel/efi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
> index d0cf596..8ff557a 100644
> --- a/arch/arm64/kernel/efi.c
> +++ b/arch/arm64/kernel/efi.c
> @@ -55,6 +55,7 @@ static __init pteval_t create_mapping_protection(efi_memory_desc_t *md)
>  
>  /* we will fill this structure from the stub, so don't put it in .bss */
>  struct screen_info screen_info __section(.data);
> +EXPORT_SYMBOL(screen_info);

EXPORT_SYMBOL_GPL()?

I have to ask :)

thanks,

greg k-h