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Fri, 30 Oct 2026 22:04:24 -0700 (PDT) Received: from localhost ([153.61.198.252]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8aada9ad592sm502093b3a.50.2026.10.30.22.04.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 Oct 2026 22:04:23 -0700 (PDT) X-Mailing-List: bpf@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Sat, 31 Oct 2026 05:04:22 +0000 Message-Id: Subject: Re: [PATCH bpf v3 1/2] bpf: disable private stack for sleepable programs From: "Alexei Starovoitov" To: "HyeongJun An" , Cc: , , , , , , , , , X-Mailer: aerc 0.20.1-349-gb940a4174a3e-dirty References: <20260822225444.2774461-2-simon@swine.de> <20261030012258.3005240-1-sammiee5311@gmail.com> <20261031011900.1355507-1-sammiee5311@gmail.com> In-Reply-To: <20261031011900.1355507-1-sammiee5311@gmail.com> On Sat Oct 31, 2026 at 1:19 AM UTC, HyeongJun An wrote: > if (!prog->sleepable) > rcu_read_lock(); > + if (no_preempt) > + preempt_disable(); nack. The models are sending the same broken thing. Pls teach them to read lore for nacks.