Explicitly include asm/realmode.h, which provides reserve_real_mode(), instead of picking it up by an indirect include of asm/acpi.h. acpi.h will soon stop including realmode.h so that changing realmode.h doesn't require a full kernel rebuild. Fixes: c1877650f3c9 ("x86/setup: Clean up the header portion of setup.c") Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> --- arch/x86/kernel/setup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 559764a4af5f..b6d7301b1037 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -33,6 +33,7 @@ #include <asm/kaslr.h> #include <asm/mce.h> #include <asm/mtrr.h> +#include <asm/realmode.h> #include <asm/olpc_ofw.h> #include <asm/pci-direct.h> #include <asm/prom.h> -- 2.24.0