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(parent: e739e01) | patch
bpf: Fix JIT of is_mov_percpu_addr instruction.
authorAlexei Starovoitov <ast@kernel.org>
Wed, 17 Apr 2024 21:44:06 +0000 (14:44 -0700)
committerAndrii Nakryiko <andrii@kernel.org>
Thu, 18 Apr 2024 16:03:21 +0000 (09:03 -0700)
commit462e5e2a5938d0241ad146d21dd0da1be8e7eaf0
tree1c446c24e177d405d9aa60cb2c16c7ff271593e1tree | snapshot
parente739e01d8df8bf26dbc9dcaeaee3c8c55e8ffa71commit | diff
bpf: Fix JIT of is_mov_percpu_addr instruction.

The codegen for is_mov_percpu_addr instruction works for rax/r8 registers
only. Fix it to generate proper x86 byte code for other registers.

Fixes: 7bdbf7446305 ("bpf: add special internal-only MOV instruction to resolve per-CPU addrs")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240417214406.15788-1-alexei.starovoitov@gmail.com
arch/x86/net/bpf_jit_comp.c diff | blob | history
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