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Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pNbEM-00DUHm-QH; Thu, 02 Feb 2023 15:10:30 +0000 Date: Thu, 2 Feb 2023 15:10:30 +0000 From: Matthew Wilcox To: Jiri Olsa Cc: Alexei Starovoitov , Andrii Nakryiko , Hao Luo , Andrew Morton , Alexander Viro , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , bpf@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-perf-users@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Daniel Borkmann Subject: Re: [RFC 0/5] mm/bpf/perf: Store build id in file object Message-ID: References: <20230201135737.800527-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230201135737.800527-1-jolsa@kernel.org> X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: qe7me5orenhx7s8khghc15pwdhh36mge X-Rspamd-Queue-Id: 68B9940024 X-HE-Tag: 1675350652-814348 X-HE-Meta: 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 je88MRci V7aS1xnYNgE2464Jx/yrj11VEgL9znt+txHLA4EnU3NXhrYS6RWIFKutdYatCohegmcIONlE9pdJwJQCjndV5PrHAdFoDKSM4v08t28ZLJgIx/lj4W8tGgD2ogBR+Mz8DIV8A6DJ5MLan+IN4GeLLZuT8MlDq+ZY4LduXmM7eDdOlMT8sTW8Q94sxn3tTACpucH5qI1zbE3zgnHLc17t9Bg30X9x+VydqRPgR X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Feb 01, 2023 at 02:57:32PM +0100, Jiri Olsa wrote: > hi, > we have a use cases for bpf programs to use binary file's build id. What is your use case? Is it some hobbyist thing or is it something that distro kernels are all going to enable?