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Thu, 20 Mar 2025 06:51:26 -0700 (PDT) Received: from krava ([173.38.220.37]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-395c8881544sm23401269f8f.43.2025.03.20.06.51.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Mar 2025 06:51:26 -0700 (PDT) From: Jiri Olsa X-Google-Original-From: Jiri Olsa Date: Thu, 20 Mar 2025 14:51:24 +0100 To: Oleg Nesterov Cc: David Hildenbrand , Peter Zijlstra , Andrii Nakryiko , Eyal Birger , kees@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, x86@kernel.org, Song Liu , Yonghong Song , John Fastabend , Hao Luo , Steven Rostedt , Masami Hiramatsu , Alan Maguire , David Laight , Thomas =?iso-8859-1?Q?Wei=DFschuh?= Subject: Re: [PATCH RFCv3 00/23] uprobes: Add support to optimize usdt probes on x86_64 Message-ID: References: <20250320114200.14377-1-jolsa@kernel.org> <20250320122343.GC11256@redhat.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250320122343.GC11256@redhat.com> On Thu, Mar 20, 2025 at 01:23:44PM +0100, Oleg Nesterov wrote: > On 03/20, Jiri Olsa wrote: > > > > hi, > > this patchset adds support to optimize usdt probes on top of 5-byte > > nop instruction. > > Just in case... This series conflicts with (imo very important) changes > from David, > > [PATCH v2 0/3] kernel/events/uprobes: uprobe_write_opcode() rewrite > https://lore.kernel.org/all/20250318221457.3055598-1-david@redhat.com/ > > I think they should be merged first. ok, I'll check on those thanks, jirka > > (and I am not sure yet, but it seems that we should cleanup (fix?) the > update_ref_ctr() logic before other changes). > > Oleg. >