On 27.07.23 01:11, 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.

Reported-by: kernel test robot <[email protected]>
Closes: 
https://lore.kernel.org/oe-kbuild-all/[email protected]/
Cc: Juergen Gross <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Sami Tolvanen <[email protected]>
Cc: Nathan Chancellor <[email protected]>
Cc: Ajay Kaher <[email protected]>
Cc: Alexey Makhalov <[email protected]>
Cc: VMware PV-Drivers Reviewers <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>

Reviewed-by: Juergen Gross <[email protected]>


Juergen

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