arm64: efi: Export screen_info

kelleymh · tyhicks · commit 067ab9da8f71 · 2021-07-23T16:21:09.000-05:00
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 &lt;mikelley@microsoft.com&gt;
Acked-by: Ard Biesheuvel &lt;ardb@kernel.org&gt;
diff --git 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);
 
 int __init efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md)
 {

Original file line number	Diff line number	Diff line change
`@@ -55,6 +55,7 @@ static __init pteval_t create_mapping_protection(efi_memory_desc_t *md)`
`55`	`55`
`56`	`56`	`/* we will fill this structure from the stub, so don't put it in .bss */`
`57`	`57`	`struct screen_info screen_info __section(".data");`
	`58`	`+EXPORT_SYMBOL(screen_info);`
`58`	`59`
`59`	`60`	`int __init efi_create_mapping(struct mm_struct mm, efi_memory_desc_t md)`
`60`	`61`	`{`