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Tue, 18 Aug 2026 21:07:14 -0700 (PDT) Message-ID: <3409369bebc67b512257583556b02104710fcd1c.camel@gmail.com> Subject: Re: [RFC bpf-next 3/6] bpf: support low-32 subreg scalar linking for zero-extending movs From: Eduard Zingerman To: Vineet Gupta , ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, memxor@gmail.com Cc: martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, jolsa@kernel.org, emil@etsalapatis.com, ihor.solodrai@linux.dev, john.fastabend@gmail.com, shuah@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Date: Tue, 18 Aug 2026 21:07:11 -0700 In-Reply-To: <20260814231945.3884596-4-vineet.gupta@linux.dev> References: <20260814231945.3884596-1-vineet.gupta@linux.dev> <20260814231945.3884596-4-vineet.gupta@linux.dev> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-10 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Fri, 2026-08-14 at 16:19 -0700, Vineet Gupta wrote: ... > =C2=A0include/linux/bpf_verifier.h | 10 ++++ > =C2=A0kernel/bpf/states.c=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 | 23 ++++++++- > =C2=A0kernel/bpf/verifier.c=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | 9= 1 ++++++++++++++++++++++++++++++++---- > =C2=A03 files changed, 114 insertions(+), 10 deletions(-) Also, would be nice to reflect ZEXT flag when printing the register in log.= c.