From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4251A4307BC; Fri, 31 Jul 2026 13:03:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785503013; cv=none; b=K5axHk0oYge61eU6r8zNbV2YHGs+ut2seMAAQhNbUItahOfT1j3PluPzWj5DV1ZaZt2kW0yHnEKhvjAY3JSUFbiYH9oBmTeppX3+8cZdZm+jBb6rD8IZHOBS6xC5mXmIVNoeJowGkGh00lYV5UJUpPuhMc6IvUGas6yxJ6NnH04= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785503013; c=relaxed/simple; bh=eeA8ljEi176nac3Xia2CXqgFEjfxocrDt4d0PfokGzw=; h=MIME-Version:Content-Type:Subject:From:To:Cc:In-Reply-To: References:Date:Message-Id; b=X2n7f8sQBlTMw89FHvG2cLZp+9495EPVco8lWe/Yai9lL+OSYCQDwv28F3d0jHBzEanaHpx/0lqF1b7b13KgPGG8MFaPSMllwVJJteOvsl5r7TDF6UNk3kC25jWtVSD2YKfIPBhzjX5I2628Vzd6p563xpMMUDod0gTwddslBUA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IJlFXiXJ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IJlFXiXJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 415041F00A3F; Fri, 31 Jul 2026 13:03:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785503011; bh=eeA8ljEi176nac3Xia2CXqgFEjfxocrDt4d0PfokGzw=; h=Subject:From:To:Cc:In-Reply-To:References:Date; b=IJlFXiXJTPWqlSNY4Ouop40Vn4b+A5q6ohym4B9rYnbe3wxfDnsQJRPp6SVIrFOGT MyCgWVqGjS4+dOk22vfkiNJ3P1vEjZpW5qucWie99ORMCVLzExoA2F1dT2596j7EsB EjXDzMKmtRI/NHD/9ZX41VoPwA3zlHffmXY/qotTUJ6U/INTLWwoe9IBamDIqGEnC8 8ylnIQQnwtCQGMEDA8n9G3zvyr38AXpSlg3fcmn68VV1WKbzI91jOFUQ/vApdplCzg 64eOeXkovARN8/aW9YzcL51cDOuJ42YX0KQKUGkMBvlPRKbTzm2IppaQJCxiBU8FoP BYativFFBXNxg== 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="utf-8" Content-Transfer-Encoding: 7bit Subject: Re: [PATCH v3 0/1] pipe: only enable the extra wake_up(rd_wait) for edge-triggered consumers From: Christian Brauner To: Oleg Nesterov Cc: Linus Torvalds , Breno Leitao , Christian Brauner , Mateusz Guzik , Jens Axboe , Pavel Begunkov , Alexander Viro , Jan Kara , Alexey Gladkov , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org In-Reply-To: References: Date: Fri, 31 Jul 2026 15:03:27 +0200 Message-Id: <20260731-blechnapf-arten-blasorchester-4e05dd1b2c58@brauner> X-Mailer: b4 0.16-dev-af865 X-Developer-Signature: v=1; a=openpgp-sha256; l=218; i=brauner@kernel.org; h=from:subject:message-id; bh=eeA8ljEi176nac3Xia2CXqgFEjfxocrDt4d0PfokGzw=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWTlzFUIeJG2Mf7N0e6LixwfZC4QN9peFHxK8/7Xj/Fbn x2fWGwyo6OUhUGMi0FWTJHFod0kXG45T8Vmo0wNmDmsTCBDGLg4BWAi9V8YGT52LWc/8ua4hMZR hpPdeyrW71+5zHaB/ru0rz9Fd/lu6ZVg+O9y/Azf24zyg3s4/Mp9uxfbfc0UW2b9Lt3CKWbB76k VeuwA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 > But then we should name it "epoll_or_io_uring_pseudo_edgetrigger". > See the test-cases, they demonstrate the same pattern. Wouldn't pseudo_edgetrigger be sufficient? I think the comment as you wrote it is ok.