x86/cfi,bpf: Fix bpf_callback_t CFI

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Where the main BPF program is expected to match bpf_func_t,
sub-programs are expected to match bpf_callback_t.

This fixes things like:

tools/testing/selftests/bpf/progs/bloom_filter_bench.c:

           bpf_for_each_map_elem(&array_map, bloom_callback, &data, 0);

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231215092707.451956710@infradead.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

...

This commit is contained in:

Peter Zijlstra 2023-12-15 10:12:19 +01:00 • committed by Alexei Starovoitov

parent 4f9087f166

commit e72d88d18d

3 changed files with 30 additions and 8 deletions

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2

arch/x86/include/asm/cfi.h

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18

arch/x86/kernel/alternative.c

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18

arch/x86/net/bpf_jit_comp.c

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