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Fri, 29 May 2026 19:12:53 -0700 (PDT) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: base64 From: Seunghyeon Lee To: Alexei Starovoitov Cc: Daniel Borkmann , bpf@vger.kernel.org Subject: Re: [PATCH RFC] bpf: add DAG fast-path in verifier to skip redundant state pruning In-Reply-To: References: Date: Sat, 30 May 2026 02:12:52 +0000 Message-ID: <178010717294.19003.10323978025488327836@gmail.com> QWxleGVpLAoKQWdyZWVkIOKAlCBEQUctb25seSBpcyB0aGUgbmFycm93IGNhc2UuIFRoZSBnZW5l cmFsIGNhc2UgaXMgdGhlIHJpZ2h0IGRpcmVjdGlvbi4KCk9uIG1lcmdlX3ZlcmlmaWVyX3N0YXRl KCk6CkkndmUgYmVlbiBsb29raW5nIGF0IHRoaXMgZnJvbSB0d28gYW5nbGVzOgoKVHJhbnNmZXIt ZnVuY3Rpb24gYXBwcm9hY2ggKHlvdXIgZGlyZWN0aW9uKTogbWVyZ2VfdmVyaWZpZXJfc3RhdGUo KSBhcwp0aGUgam9pbiBvcGVyYXRvciBpbiBhIGRhdGFmbG93IGxhdHRpY2UuIFRoZSBrZXkgcXVl c3Rpb246IHdoYXQncyB0aGUKbWluaW1hbCBzdGF0ZSByZXByZXNlbnRhdGlvbiB0aGF0IHByZXNl cnZlcyBzYWZldHkgd2l0aG91dCBmdWxsIHN0YXRlCmVudW1lcmF0aW9uPwoKUHJvb2YtY2Fycnlp bmcgYXBwcm9hY2ggKGxvbmdlci10ZXJtKTogSWYgYSBjb21waWxlciBjYW4gcHJvdmUgcHJvcGVy dGllcwphYm91dCB0aGUgdHJhbnNmZXIgZnVuY3Rpb24gYmVmb3JlIGxvYWRpbmcsIHRoZSB2ZXJp ZmllciBvbmx5IG5lZWRzIHRvCmNoZWNrIHRoZSBwcm9vZiwgbm90IHNpbXVsYXRlIHRoZSBsYXR0 aWNlLiBUaGlzIGlzIGVzc2VudGlhbGx5IFBDQwooTmVjdWxhIDE5OTcpIGFwcGxpZWQgdG8gQlBG LgoKVGhlc2UgdHdvIGNvbnZlcmdlIGF0IG1lcmdlX3ZlcmlmaWVyX3N0YXRlKCk6IHRoZSBqb2lu IG9wZXJhdG9yIGRlZmluZXMKdGhlIGFic3RyYWN0IGRvbWFpbi4gSWYgdGhlIGRvbWFpbiBpcyBm aW5pdGUgYW5kIHRoZSB0cmFuc2ZlciBmdW5jdGlvbnMKYXJlIG1vbm90b25lLCB5b3UgZ2V0IHRl cm1pbmF0aW9uIGZvciBmcmVlIOKAlCBwcm9vZiBiZWNvbWVzIGEgYnlwcm9kdWN0LgoKTG9va2lu ZyBmb3J3YXJkIHRvIHNlZWluZyB5b3VyIHByb3RvdHlwZS4gV2hhdCByZXByZXNlbnRhdGlvbiBh cmUgeW91CnVzaW5nIGZvciB0aGUgYWJzdHJhY3Qgc3RhdGU/CgotIFNldW5naHllb24=