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McKenney" , Will Deacon , Peter Zijlstra , Alan Stern , John Stultz , Neeraj Upadhyay , Frederic Weisbecker , Joel Fernandes , Josh Triplett , Uladzislau Rezki , Steven Rostedt , Lai Jiangshan , Zqiang , Ingo Molnar , Waiman Long , Mark Rutland , Thomas Gleixner , Vlastimil Babka , maged.michael@gmail.com, Mateusz Guzik , rcu@vger.kernel.org, linux-mm@kvack.org, lkmm@lists.linux.dev References: <20240927203334.976821-1-mathieu.desnoyers@efficios.com> From: Mathieu Desnoyers Content-Language: en-US In-Reply-To: <20240927203334.976821-1-mathieu.desnoyers@efficios.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: 9z8ff8amfttyz8orrw5d1d58jgurcy7h X-Rspamd-Queue-Id: F1AF5180007 X-Rspamd-Server: rspam02 X-HE-Tag: 1727478479-675392 X-HE-Meta: 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 txnqjk+/ 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 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 2024-09-27 22:33, Mathieu Desnoyers wrote: [...] > --- > include/linux/compiler.h | 62 ++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 62 insertions(+) > I'm wondering if this really belongs in compiler.h, or if it's so RCU/HP specific that it should be implemented in rcupdate.h ? [... ] > +static __always_inline > +int ptr_eq(const volatile void *a, const volatile void *b) And perhaps rename this to rcu_ptr_eq() ? Thanks, Mathieu > +{ > + OPTIMIZER_HIDE_VAR(a); > + OPTIMIZER_HIDE_VAR(b); > + return a == b; > +} > + -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com