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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-484492ce236sm8020725f8f.35.2026.09.02.08.16.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Sep 2026 08:16:29 -0700 (PDT) Date: Wed, 2 Sep 2026 16:16:28 +0100 From: David Laight To: Steven Rostedt Cc: Linus Torvalds , Bart Van Assche , linux-kernel@vger.kernel.org, Christoph Hellwig , Rasmus Villemoes , Luc Van Oostenryck , Chris Li Subject: Re: [PATCH v2] tracing: Make is_signed_type() compatible with sparse Message-ID: <20260902161628.5cf25ef8@pumpkin> In-Reply-To: <20260902093644.5b0e8a64@gandalf.local.home> References: <20260831214437.15d6ad34@pumpkin> <20260901092043.7feaf5d7@pumpkin> <20260901222909.05d6239f@pumpkin> <1b86ccbf-4e41-4a26-9d22-8bd93bacb043@acm.org> <20260901192523.0e989b10@robin> <20260902092437.00dfaa25@pumpkin> <20260902093644.5b0e8a64@gandalf.local.home> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 2 Sep 2026 09:36:44 -0400 Steven Rostedt wrote: > On Wed, 2 Sep 2026 09:24:37 +0100 > David Laight wrote: > > > > Yeah, it was originally used for the tracing format files so that > > > tooling can know how to display the raw values it parses. Also it is > > > used for the filtering logic to know how to compare to the raw values. > > > > And, in this case, the value is __bitwise so the 'tooling' doesn't know > > how to display/compare them and you get a compile error. > > Doesn't seem wrong :-) > > Where is __bitwise used for a trace event field? Not sure, it wasn't in any of the emails. David > Or is this an issue for > one of the other users of is_signed_type()? > > -- Steve