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Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1slU7s-00000008IeA-3RA3; Tue, 03 Sep 2024 14:03:20 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id E19EE30050D; Tue, 3 Sep 2024 16:03:19 +0200 (CEST) Date: Tue, 3 Sep 2024 16:03:19 +0200 From: Peter Zijlstra To: Oleg Nesterov Cc: Andrii Nakryiko , linux-trace-kernel@vger.kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, jolsa@kernel.org, paulmck@kernel.org, willy@infradead.org, surenb@google.com, akpm@linux-foundation.org, linux-mm@kvack.org Subject: Re: [PATCH v4 0/8] uprobes: RCU-protected hot path optimizations Message-ID: <20240903140319.GA4723@noisy.programming.kicks-ass.net> References: <20240829183741.3331213-1-andrii@kernel.org> <20240830102400.GA20163@redhat.com> <20240903132103.GV4723@noisy.programming.kicks-ass.net> <20240903135943.GE17936@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240903135943.GE17936@redhat.com> X-Stat-Signature: rhe9pdr9ja4r6xm43ipnpxodagjgossh X-Rspam-User: X-Rspamd-Queue-Id: 3A7041C00F3 X-Rspamd-Server: rspam02 X-HE-Tag: 1725372204-421985 X-HE-Meta: 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 An6KqdpT dRR+tEkk6LHnx/A4Lfzin8X89jp9W71C4Jh1Hb3iRRp4ccuxjMDJHTr07uOYlsN8tjczt7zx0EGYAmWbAGSslZs2W95cVwGd6zPKKDWDDLVz9p5WEqq3nDHWLb1srOo8QACOdf9Tb9V13Lz8iD0k8pHGpFOPhMcp5PYm8XP+z6cJFsV5hRK+yMLWHzN6dlHqlZNZk+0xsKCo+EaFpOFAzq0SN/j1qwdDbUhhNqL5hrnlTLT8ROdUi+oEdPEpqp1+p0j0IG5CEnJFZFNY7CQBFDGaucw== 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: List-Subscribe: List-Unsubscribe: On Tue, Sep 03, 2024 at 03:59:43PM +0200, Oleg Nesterov wrote: > On 09/03, Peter Zijlstra wrote: > > > > On Fri, Aug 30, 2024 at 12:24:01PM +0200, Oleg Nesterov wrote: > > > On 08/29, Andrii Nakryiko wrote: > > > > > > > > v3->v4: > > > > - added back consumer_rwsem into consumer_del(), which was accidentally > > > > omitted earlier (Jiri); > > > > > > still, > > > > > > Reviewed-by: Oleg Nesterov > > > > > > > Let me go queue this in perf/core then. Thanks! > > FYI, Andrii was going to send another revision due to missing include > inux/rcupdate_trace.h in kernel/events/uprobes.c. > > See the build failure reported kernel test robot: > https://lore.kernel.org/all/202408310130.t9EBKteQ-lkp@intel.com/ No problem, I'll sit on it.