bpf: handle CONFIG_SMP=n configuration in x86 BPF JIT

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On non-SMP systems, there is no "per-CPU" data, it's just global data.
So in such case just don't do this_cpu_off-based per-CPU address adjustment.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404040951.d4CUx5S6-lkp@intel.com/
Fixes: 7bdbf74463 ("bpf: add special internal-only MOV instruction to resolve per-CPU addrs")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20240404034726.2766740-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Andrii Nakryiko 2024-04-03 20:47:26 -07:00 • committed by Alexei Starovoitov

parent 519e1de94b

commit 1e9e0b8525

1 changed files with 3 additions and 4 deletions

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arch/x86/net/bpf_jit_comp.c

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