Re: [PATCH] RISC-V: Add a non-void return for sbi v02 functions

[Atish Patra]

On Mon, Feb 22, 2021 at 12:23 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> On Wed, Feb 03, 2021 at 09:26:43PM -0800, Atish Patra wrote:
> > SBI v0.2 functions can return an error code from SBI implementation.
> > We are already processing the SBI error code and coverts it to the Linux
> > error code.
> >
> > Propagate to the error code to the caller as well. As of now, kvm is the
> > only user of these error codes.
> >
> > Signed-off-by: Atish Patra <atish.patra@xxxxxxx>
> > ---
> ...
> >  #else /* CONFIG_RISCV_SBI */
> > -static inline void sbi_remote_fence_i(const unsigned long *hart_mask) {}
> > +static inline int sbi_remote_fence_i(const unsigned long *hart_mask) {}
>
> Error log:
> In file included from arch/riscv/kernel/setup.c:29:
> arch/riscv/include/asm/sbi.h: In function 'sbi_remote_fence_i':
> arch/riscv/include/asm/sbi.h:150:1: error: no return statement in function returning non-void
>

Sorry for the oversight. The return statement is missing.

@Palmer Dabbelt : Can you fix it in for-next or should I send a v2 ?

> Guenter
>
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-- 
Regards,
Atish