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[25/41] arm64: efi: Export screen_info

Message ID 20211104125449.16540-26-tim.gardner@canonical.com
State New
Headers show
Series Enable arm64 | expand

Commit Message

Tim Gardner Nov. 4, 2021, 12:54 p.m. UTC 
From: Michael Kelley <mikelley@microsoft.com>

BugLink: https://bugs.launchpad.net/bugs/1949770

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>
(cherry picked from commit 9b16c2132f34316bf0b59d24357a788cc1e9e352)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
---
 arch/arm64/kernel/efi.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index fa02efb28e88..e1be6c429810 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);
 
 int __init efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md)
 {