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(parent: 0e545db) | patch
bpf, x64: Factor out emission of REX byte in more cases
authorJie Meng <jmeng@fb.com>
Wed, 6 Oct 2021 19:41:35 +0000 (12:41 -0700)
committerDaniel Borkmann <daniel@iogearbox.net>
Thu, 7 Oct 2021 19:45:06 +0000 (21:45 +0200)
commit6364d7d75a0e015a405d1f8a07f267f076c36ca6
tree05a71e3613a83246d0a2f4b549b7cd10d78f3f94tree | snapshot
parent0e545dbaa2797133f57bf8387e8f74cd245cedeacommit | diff
bpf, x64: Factor out emission of REX byte in more cases

Introduce a single reg version of maybe_emit_mod() and factor out
common code in more cases.

Signed-off-by: Jie Meng <jmeng@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20211006194135.608932-1-jmeng@fb.com
arch/x86/net/bpf_jit_comp.c diff | blob | history
Domain: System / Kernel;