bpf, x86: Fix "no previous prototype" warning
The arch_prepare_bpf_dispatcher function does not have a prototype, and yields the following warning when W=1 is enabled for the kernel build. >> arch/x86/net/bpf_jit_comp.c:2188:5: warning: no previous \ prototype for 'arch_prepare_bpf_dispatcher' [-Wmissing-prototypes] 2188 | int arch_prepare_bpf_dispatcher(void *image, s64 *funcs, \ int num_funcs) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Remove the warning by adding a function declaration to include/linux/bpf.h. Fixes: 75ccbef6 ("bpf: Introduce BPF dispatcher") Reported-by: Nkernel test robot <lkp@intel.com> Signed-off-by: NBjörn Töpel <bjorn@kernel.org> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211117125708.769168-1-bjorn@kernel.org
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