From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> Sent: Monday, August 24, 2020 10:35 AM > > On Mon, Aug 24, 2020 at 09:46:22AM -0700, Michael Kelley wrote: > > 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@xxxxxxxxxxxxx> > > --- > > arch/arm64/kernel/efi.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c > > index d0cf596..8ff557a 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); > > EXPORT_SYMBOL_GPL()? > > I have to ask :) It's also just EXPORT_SYMBOL(screen_info) in the x86, PowerPC, and Alpha architectures. I know that doesn't guarantee it's right, but I'll have to defer to the appropriate subsystem maintainers for whether it really should be EXPORT_SYMBOL_GPL. Michael > > thanks, > > greg k-h
