[PATCH 0/4] misc warning cleanup in arch/risc-v

Anup Patel apatel at ventanamicro.com
Fri Aug 19 09:14:32 PDT 2022


On Fri, Aug 19, 2022 at 4:32 AM Palmer Dabbelt <palmer at dabbelt.com> wrote:
>
> On Sun, 14 Aug 2022 07:12:34 PDT (-0700), mail at conchuod.ie wrote:
> > From: Conor Dooley <conor.dooley at microchip.com>
> >
> > Hey all,
> > Couple fixes here for most of what's left of the {sparse,} warnings in
> > arch/riscv that are still in need of patches. Ben has sent patches
> > for the VDSO issue already (although they seem to need rework).
> >
> > VDSO aside, With this patchset applied, we are left with:
> > - cpuinfo_ops missing prototype: this likely needs to go into an
> >   asm-generic header & I'll send a separate patch for that.
> > - Complaints about an error in mm/init.c:
> >   "error inarch/riscv/mm/init.c:819:2: error: "setup_vm() is <trunc>
> >   I think this can be ignored.
> > - 600+ -Woverride-init warnings for syscall table setup where
> >   overriding seems to be the whole point of the macro.
> > - Warnings about imported kvm core code.
> > - Flexible array member warnings that look like common KVM code
> >   patterns
> > - An unexpected unlock in kvm_riscv_check_vcpu_requests that was added
> >   intentionally:
> >   https://lore.kernel.org/all/20220710151105.687193-1-apatel@ventanamicro.com/
> >   Is it worth looking into whether that's a false positive or not?
> >
> > Thanks,
> > Conor.
> >
> > Conor Dooley (4):
> >   riscv: kvm: vcpu_timer: fix unused variable warnings
> >   riscv: kvm: move extern sbi_ext declarations to a header
> >   riscv: signal: fix missing prototype warning
> >   riscv: traps: add missing prototype
> >
> >  arch/riscv/include/asm/kvm_vcpu_sbi.h | 12 ++++++++++++
> >  arch/riscv/include/asm/signal.h       | 12 ++++++++++++
> >  arch/riscv/include/asm/thread_info.h  |  2 ++
> >  arch/riscv/kernel/signal.c            |  1 +
> >  arch/riscv/kernel/traps.c             |  3 ++-
> >  arch/riscv/kvm/vcpu_sbi.c             | 12 +-----------
> >  arch/riscv/kvm/vcpu_timer.c           |  4 ----
> >  7 files changed, 30 insertions(+), 16 deletions(-)
> >  create mode 100644 arch/riscv/include/asm/signal.h
>
> These generally look good to me.  Anup handles the KVM bits so I'll let
> him chime in there, but
>
> Reviewed-by: Palmer Dabbelt <palmer at rivosinc.com>
> Acked-by: Palmer Dabbelt <palmer at rivosinc.com>
>
> on all of them.
>
> Happy to do some sort of shared tag thing, but it looks like these are
> all independent enough that it'd be easier to just split them up.  I've
> put the non-KVM bits over at palmer/riscv-variable_fixes_without_kvm, if
> you guys are all OK splitting this up then I'll go take those onto
> riscv/fixes.  I'll wait a bit for folks to get a chance to look, so it
> won't be for tomorrow morning.

Thanks Palmer. I have queued the KVM fixes (first two patches).

Regards,
Anup

>
> Thanks!
>
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