Re: [PATCH v3 3/8] KVM: selftests: Move setting a vCPU's entry point to a dedicated API

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I really should fix the CC list _before_ drafting a reply...

On Wed, Feb 28, 2024 at 09:29:56PM +0000, Oliver Upton wrote:
> +cc Raghavendra

See below :)

> Hey,
> 
> On Wed, Feb 28, 2024 at 01:19:48PM -0800, Sean Christopherson wrote:
> > but due to a different issue that is fixed in the kvm-arm tree[*], but not in mine,
> > I built without -Werror and didn't see the new warn in the sea of GUEST_PRINTF
> > warnings.
> > 
> > Ugh, and I still can't enable -Werror, because there are unused functions in
> > aarch64/vpmu_counter_access.c
> > 
> >   aarch64/vpmu_counter_access.c:96:20: error: unused function 'enable_counter' [-Werror,-Wunused-function]
> >   static inline void enable_counter(int idx)
> >                    ^
> >   aarch64/vpmu_counter_access.c:104:20: error: unused function 'disable_counter' [-Werror,-Wunused-function]
> >   static inline void disable_counter(int idx)
> >                    ^
> >   2 errors generated.
> >   make: *** [Makefile:278: /usr/local/google/home/seanjc/go/src/kernel.org/nox/tools/testing/selftests/kvm/aarch64/vpmu_counter_access.o] Error 1
> >   make: *** Waiting for unfinished jobs....
> > 
> >   Commit 49f31cff9c533d264659356b90445023b04e10fb failed to build with 'make-clang make-arm make -j128'.
> > 
> > Oliver/Marc, any thoughts on how you want to fix the unused function warnings?
> > As evidenced by this goof, being able to compile with -Werror is super helpful.
> 
> Are these the only remaining warnings we have in the arm64 selftests
> build?
> 
> Faster than me paging this test back in: Raghu, are we missing any test
> cases upstream that these helpers were intended for? If no, mind sending
> a patch to get rid of them?
> 
> > And another question: is there any reason to not force -Werror for selftests?
> 
> Nothing comes to mind. We need to bite the bullet and make the switch.
> There might be breakage, but we can certainly handle that.
> 
> -- 
> Thanks,
> Oliver

-- 
Thanks,
Oliver




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