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 39D35411664; Mon, 15 Jun 2026 17:40:07 +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=1781545209; cv=none; b=KvPXQYRyX4ODHA1HguMgUonPjFRt8D+ktFWFb9Hn3u8Sfek78VnR1SDhf8RgpIEGiPvzavhQ0rVSEgMadz1kM9/7mWclsTs3lq0gOBY1sa9MIculRNdv/OKz4AUKHGo4Q9zrkI5o2l9uI/lJBm46k2VEtGx/ffT7LX7hQhffTRo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781545209; c=relaxed/simple; bh=UEv2xi9E4osyscth+jwpIVLKR1VUQD3qe/6fAIiNmqk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VESYG9i4QtwPihohnvXdCQvRBVPb+P5fezYTFtl6/ajQVGnJC1BTaCLX5c3ih2lYA0vd4OaPRhmsZn+ORf1RF1aAG3dMBgLovE2iNEqNUiiYOIxKKnjP36uRt0kk7awif/GlFdtcu6POZPxXd+7iPYna6jNqp3GUCfmQaVgsqsg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VPYwndpq; 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="VPYwndpq" 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> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <79338662-e637-412b-84b4-71cef3883b3d@kernel.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