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 <l...@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202307260332.pjntwr6o-...@intel.com/ Cc: Juergen Gross <jgr...@suse.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Sami Tolvanen <samitolva...@google.com> Cc: Nathan Chancellor <nat...@kernel.org> Cc: Ajay Kaher <aka...@vmware.com> Cc: Alexey Makhalov <amakha...@vmware.com> Cc: VMware PV-Drivers Reviewers <pv-driv...@vmware.com> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Ingo Molnar <mi...@redhat.com> Cc: Borislav Petkov <b...@alien8.de> Cc: Dave Hansen <dave.han...@linux.intel.com> Cc: virtualization@lists.linux-foundation.org Signed-off-by: Kees Cook <keesc...@chromium.org>
Reviewed-by: Juergen Gross <jgr...@suse.com> Juergen
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