On Wed, 26 Jul 2023 16:11:43 -0700, Kees Cook wrote:
> Under W=1, this warning is visible in Clang 16 and newer:
>
> arch/x86/kernel/paravirt.c:337:4: warning: cast from 'void (*)(struct
> mmu_gather *, struct page *)' to 'void (*)(struct mmu_gather *, void *)'
> converts to incompatible function type [-Wcast-function-type-strict]
> (void (*)(struct mmu_gather *, void
> *))tlb_remove_page,
>
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Add a direct wrapper instead, which will make this warning (and
> potential KCFI failures) go away.
>
> [...]
Applied to for-next/hardening, thanks!
[1/1] x86/paravirt: Fix tlb_remove_table function callback prototype warning
https://git.kernel.org/kees/c/fcce1c6cb156
Take care,
--
Kees Cook
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