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([2620:10d:c090:500::3:a69]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-128e7c1780bsm3445083c88.7.2026.03.11.09.31.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Mar 2026 09:31:19 -0700 (PDT) Message-ID: <55f48be8727546631aebacc847bede5ce2de85c4.camel@gmail.com> Subject: Re: [PATCH bpf-next v4 1/2] bpf: Support new pointer param types via SCALAR_VALUE for trampolines From: Eduard Zingerman To: Slava Imameev Cc: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, haoluo@google.com, horms@kernel.org, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-open-source@crowdstrike.com, martin.lau@linux.dev, netdev@vger.kernel.org, pabeni@redhat.com, sdf@fomichev.me, shuah@kernel.org, song@kernel.org, yonghong.song@linux.dev Date: Wed, 11 Mar 2026 09:31:17 -0700 In-Reply-To: <20260311130711.33966-1-slava.imameev@crowdstrike.com> References: <979c7539ac475b3c428f609066e947844b6dd8b0.camel@gmail.com> <20260311130711.33966-1-slava.imameev@crowdstrike.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.2 (3.58.2-1.fc43) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Thu, 2026-03-12 at 00:07 +1100, Slava Imameev wrote: [...] > Adopting the view that vmlinux BTF is consistent, we can replace > btf_ctx_access's condition for inferring scalar() for pointers > from "if (is_void_or_int_ptr(btf, t))" to > "if (!btf_type_is_struct_ptr(btf, t))". I think it should be fine to adopt this view.