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bpf: fix UML x86_64 compile failure 

pcpu_hot (defined in arch/x86) is not available on user mode linux (ARCH=um)

Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Fixes: 1ae6921009 ("bpf: inline bpf_get_smp_processor_id() helper")
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Link: https://lore.kernel.org/r/20240613173146.2524647-1-maze@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
pull/895/merge
Maciej Żenczykowski 2024-06-13 10:31:46 -07:00 committed by Alexei Starovoitov
parent ceb65eb600
commit b99a95bc56
1 changed files with 1 additions and 1 deletions
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2
kernel/bpf/verifier.c
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@ -20320,7 +20320,7 @@ patch_map_ops_generic:
goto next_insn; goto next_insn;
} }
#ifdef CONFIG_X86_64 #if defined(CONFIG_X86_64) && !defined(CONFIG_UML)
/* Implement bpf_get_smp_processor_id() inline. */ /* Implement bpf_get_smp_processor_id() inline. */
if (insn->imm == BPF_FUNC_get_smp_processor_id && if (insn->imm == BPF_FUNC_get_smp_processor_id &&
prog->jit_requested && bpf_jit_supports_percpu_insn()) { prog->jit_requested && bpf_jit_supports_percpu_insn()) {