Re: [PATCH] riscv: vector: Fixup modules compile error

From: Guo Ren
Date: Mon May 29 2023 - 22:59:34 EST


On Mon, May 29, 2023 at 9:43 PM Conor Dooley <conor.dooley@xxxxxxxxxxxxx> wrote:
>
> On Mon, May 29, 2023 at 03:38:45AM -0400, guoren@xxxxxxxxxx wrote:
> > From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> >
> > Some .ko also need the riscv_v_user_allowed symbol.
> >
> > ERROR: modpost: "riscv_v_user_allowed" [arch/riscv/kvm/kvm.ko]
> > undefined!
> > make[3]: ***
> > [/home/guoren/source/kernel/linux/scripts/Makefile.modpost:136:
> > Module.symvers] Error 1
> >
> > Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> > Signed-off-by: Guo Ren <guoren@xxxxxxxxxx>
> > ---
> > arch/riscv/kernel/vector.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/riscv/kernel/vector.c b/arch/riscv/kernel/vector.c
> > index 1c4ac821e008..3ae08816d608 100644
> > --- a/arch/riscv/kernel/vector.c
> > +++ b/arch/riscv/kernel/vector.c
> > @@ -129,6 +129,7 @@ bool riscv_v_user_allowed(void)
> > {
> > return riscv_v_get_cur_ctrl(current) == PR_RISCV_V_VSTATE_CTRL_ON;
> > }
> > +EXPORT_SYMBOL(riscv_v_user_allowed);
>
> Is there a reason that this should not be EXPORT_SYMBOL_GPL()?
Good question, but I just follow our arch/riscv habbit, maybe we
should change all of that in another patch.

➜ linux-s64ilp32 git:(s64ilp32) ✗ grep EXPORT_SYMBOL arch/riscv -r | wc -l
66
➜ linux-s64ilp32 git:(s64ilp32) ✗ grep EXPORT_SYMBOL_GPL arch/riscv -r | wc -l
15

>
> I figure Andy will roll this into this next revision.
>
> Cheers,
> Conor.



--
Best Regards
Guo Ren