From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 653D3CD98C5 for ; Mon, 15 Jun 2026 17:40:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UF9tuXD0qQaVlmKMJ+WYam5R3vjuOlAQ9UZzDWobYyE=; b=nD2Aujaynm0mZQlkhN/TvlOaMm yn2KtQgTURtWJU23nJ79jhuEOMOUjnEG4A7sEzz6ELoOY11msCKew+xb9JmwQrln3oCb6Jm8icExG OXHk70+lJ1Ylq+IbN3hb7TRnJ6DrTqX5iPtWImggYVeCnTLLNANO4k+M2fc6e8yjRGjMSYg4flYIf 4ApZJ06IZSEmOr4sE9YsX1mLdagGFjIJBLa2de35y5HDwRAoRr8+fGeuhIk6gPHqo5FXtuQqyX/a3 NZXfFfzBiJvt/LSW/4E9Loi1kUMheqHrWGphKEGlcS0/gzes69yDJQUdFLsJ72lpRFfG6+4mJlOmQ b6Phl0FA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZBI9-0000000Efky-443W; Mon, 15 Jun 2026 17:40:09 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZBI8-0000000Efks-2BNN for linux-arm-kernel@lists.infradead.org; Mon, 15 Jun 2026 17:40:08 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id E7840431CF; Mon, 15 Jun 2026 17:40:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A44DB1F000E9; Mon, 15 Jun 2026 17:40:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781545207; bh=UF9tuXD0qQaVlmKMJ+WYam5R3vjuOlAQ9UZzDWobYyE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=VPYwndpqwNN8bVPja/h+B9Vf6gpt3GVs6I/fVvL/+ckkt+gB//E57E0DsUn708zTt HzUiL6voPzDQNIZ5HmrdrnkN6JYacJBuzLGzfAFf2baCp8ljwNjPsc9vHs1f+Gv/6V RKmYtBqw9QWyu0YCASzUw1tns01qvI5ADQiAriCjNYIo4D14+K3o5XBpsqtvnhZ4Gw ryZ//Gcu/qbAYE/Ap7crhK2/2P//K+C61Xruvhagv7Ff9eGTAouFeDxHfCvqNKnu7P smm4WtN+GsbxRCPHvYRunBUkH17kNyHygTg7tfo/80ZiQDgDxnY42fyq8clkLvW9ei W2wwObVUUMczg== Date: Mon, 15 Jun 2026 07:40:06 -1000 From: Tejun Heo To: "David Hildenbrand (Arm)" Cc: Will Deacon , David Vernet , Andrea Righi , Changwoo Min , Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Martin KaFai Lau , Kumar Kartikeya Dwivedi , Peter Zijlstra , Catalin Marinas , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Andrew Morton , Mike Rapoport , Emil Tsalapatis , sched-ext@lists.linux.dev, bpf@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/8] mm: Add ptep_try_set() for lockless empty-slot installs Message-ID: References: <20260522172219.1423324-1-tj@kernel.org> <20260522172219.1423324-2-tj@kernel.org> <31d1ac68dc230564301fc1e7dc748a1d@kernel.org> <79338662-e637-412b-84b4-71cef3883b3d@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <79338662-e637-412b-84b4-71cef3883b3d@kernel.org> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello, On Mon, Jun 15, 2026 at 07:36:19PM +0200, David Hildenbrand (Arm) wrote: > On 6/15/26 18:27, Tejun Heo wrote: > > Hello, David. > > > >> Is BPF maybe picking up patches from other subsystems up too early > >> without waiting for acks? > > > > Do you mean the comment cleanup I just sent, or the original > > ptep_try_set() merge? > > I am talking about any patch that touches arch code without an ACK from the > maintainer. > > Maybe arm64 and x86 people are fine with that, but I heard other voices > recently, thus my question. I see. I don't know the dynamics here. I'll leave it for bpf folks. Thanks. -- tejun