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

Palmer Dabbelt palmer at dabbelt.com
Mon Feb 22 20:52:08 EST 2021


On Mon, 22 Feb 2021 14:38:28 PST (-0800), atishp at atishpatra.org wrote:
> On Mon, Feb 22, 2021 at 12:23 PM Guenter Roeck <linux at roeck-us.net> 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 at wdc.com>
>> > ---
>> ...
>> >  #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 ?

I just fixed it up.



More information about the linux-riscv mailing list