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bh=+JIL95sFEZcCx14lpDodVix1cIsP41lmjXHFkrMk1m8=; b=TCA6XtXPBrNcIzBwJB1OVxjDwrJMlTQjFnIgkDjDLiuDToIBh6CYJe+ZGIHF0BumDNfCV6 gckLNBZucUEG7W0vYJ5iI+FisXiK6MgQK+KTufXkTo00upcujKiNh3uRG9iojSOO0qjeNB 3eSIzO6mz22MIkCy7BbhnhvEt4Zt4crvRzuMAjP4XP6OGSWv7/ps0Jj1tUndZDdjj48NCk iQI/f063LdspiE2vCPXQv9c35zwKO/16OL+5gpMuo39Hq6Eiy2zHZivuRs5u6CSZ+Gyv5D 4qYNfVzSzIVgaubDD9DixCbj/xbZVnhTReo70M9XGFJTNn7y45SQ692UGGQJcw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1790346718; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+JIL95sFEZcCx14lpDodVix1cIsP41lmjXHFkrMk1m8=; b=1jXvri7nMuvBw5HCzlHfXy9tg9qEk4Ee6RqN4OBHWMweIUEmb+K7bBYft6Jmw9X0NYdI9z Qx0AvOQOmFx7dDAQ== From: Sebastian Andrzej Siewior To: Harry Yoo Cc: "Vlastimil Babka (SUSE)" , Alexei Starovoitov , Karl Mehltretter , Andrew Morton , Hao Li , Suren Baghdasaryan , Michal Hocko , Amery Hung , Swaraj Gaikwad , Clark Williams , Steven Rostedt , linux-mm@kvack.org, bpf@vger.kernel.org, linux-rt-devel@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH] mm: restrict can_spin_trylock() to preemptible context on PREEMPT_RT Message-ID: <20260925143157._HIZ9lrl@linutronix.de> References: <20260919171443.90512-1-kmehltretter@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 375FC10000C X-Stat-Signature: 3i4coj19366wrjbyf1sm4ppedj1fej8b X-HE-Tag: 1790346721-223364 X-HE-Meta: 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 9rlnCFOX SqnuUZ6GWzNbTGmZe5pUuKUirkWqV1rfg3rqPoLhRXWY982kdE1EURXIowUsZ+2wpylxChyVE0Gvg9JhC2G121XfR4sU3oY8YpDhpBumOWeMN0ndOEtvNgap2GH9Zz+tTxtTVyxgkJmBKHhsKvvQnVPhMGQpVdrFxPyjgxDkK/nqZoHcWv8ikqfnVc+z4DYnBaJmfSGgLo5NoMz9TFG7AE5D5Fwxnk6WYOmUIEaYOIggJ8FB/aSiqxYrZRRrbORmvS2RV54rgAhDbMGLqSmSLM6oMayahvZMwzRzJ9u3jgIXus6XnBdJ3+Rn7yQANXPVJtz+T Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2026-09-25 12:05:50 [+0100], Harry Yoo wrote: > > e) Introduce raw_local_trylock_t... > > +1 on this :) maybe consolidate first the existing variants :) Sebastian