arm64: efi: Export screen_info
authorMichael Kelley <mikelley@microsoft.com>
Wed, 4 Aug 2021 15:52:38 +0000 (08:52 -0700)
committerWei Liu <wei.liu@kernel.org>
Wed, 4 Aug 2021 16:54:36 +0000 (16:54 +0000)
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>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/1628092359-61351-5-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
arch/arm64/kernel/efi.c

index fa02efb28e88e7a05fe1884b9cc77b3a934c9815..e1be6c429810d0d583b645fcc6e0b3cbb2ea06a4 100644 (file)
@@ -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);
 
 int __init efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md)
 {