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Tue, 03 Nov 2026 22:36:29 -0800 (PST) Received: from localhost ([182.216.53.174]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-36ca3784f78sm5186141eec.2.2026.11.03.22.36.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2026 22:36:28 -0800 (PST) From: Jaewon Jung To: Steven Rostedt Cc: sashiko-bot@kernel.org, sashiko-reviews@lists.linux.dev, linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH v2] tracing: Keep copying markers when one instance is stopped Date: Wed, 4 Nov 2026 15:35:38 +0900 Message-ID: <20261104063552.28094-1-jaewon8868@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261103095019.6a88e783@gandalf.local.home> References: <20261103005219.3236380-1-jaewon8868@gmail.com> <20261103095019.6a88e783@gandalf.local.home> X-Mailing-List: linux-trace-kernel@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 The copy_trace_marker documentation says:=0D =0D > If no instance has this option set, then a write will error with=0D > the errno of ENODEV.=0D =0D With global copying disabled and another instance enabled, both versions=0D record the marker in that instance, but the proposed change returns=0D -ENODEV.=0D =0D This seems inconsistent with the documentation. Should we return the=0D last write's result, as in v2?=0D