To prevent the compiler from emitting absolute references to screen_info
when building position independent code, redeclare the symbol with hidden
visibility.
Cc: Matt Fleming <m...@codeblueprint.co.uk>
Tested-by: Matthias Kaehlcke <m...@chromium.org>
Signed-off-by: Ard Biesheuvel <ard.biesheu...@linaro.org>
---
arch/arm64/include/asm/efi.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h
index 8f3043aba873..464ac850c5e2 100644
--- a/arch/arm64/include/asm/efi.h
+++ b/arch/arm64/include/asm/efi.h
@@ -81,6 +81,9 @@ static inline unsigned long efi_get_max_initrd_addr(unsigned
long dram_base,
#define alloc_screen_info(x...) &screen_info
#define free_screen_info(x...)
+/* redeclare as 'hidden' so the compiler will generate relative references */
+extern struct screen_info screen_info
__attribute__((__visibility__("hidden")));
+
static inline void efifb_setup_from_dmi(struct screen_info *si, const char
*opt)
{
}
--
2.11.0
