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.pa...@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 Guenter