From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 0FA90355F4E; Fri, 24 Apr 2026 19:17:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777058268; cv=none; b=ciUpM/MgNywZ3JYp09DgJRlbPvS2gYTHH01hBYDS536Ep6BQ4DvW313sDSQOdxtetMX7aWYkwJMslW4tWSSXhpKTm5jCg4G5WmKomMTk1S1cJR3cArK8VgAl/ZScGN2wc+8sEi5AyCb3QGEK05KNOvgarZGWn/aL1cCjOFs29OM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777058268; c=relaxed/simple; bh=HvNI2LPsNqwOsJGaVf0CXKtyG+EZsGrZ5LpX92i/5Vk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Tun1IsGMoaL3R99RYx8EINmvwBLUC8ENdx8P624CcDgdxzV18aXGRQ89uETBq2mh+VGop1DYVTaMQYqsdUFgX1XaWr9P7D/VxfMTc6dmjvpO4JP4rIQA/4hUYm0oo8XHa65JfQWS8OpdQf1glfC+CxShtD300zaDTYRX1UzMtHg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=DFdBkeQ9; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="DFdBkeQ9" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=tizH1hZ4/m/CMLzUr8DqgQxd7xmedgpSeepdPBUoxck=; b=DFdBkeQ9jOocDotu/u2n/2c/ms 2ru9Uf9a6khtsE+zJM78ZowEZO5o+zzkDRHbNcpnTYn2wd5waP6Lu4UE1d9rNQkBdDwV0uThNGnUe +vHJdbBlksVmWeO/LKyFSTX1ab31l0ZPWXB+8FA1alrIM4lBXoPqM0UU+PcjUTy7K40mpLtsjqD3d q8DSWDfWjkPMoR9dXrzuYj8S4Rj1X8b1z0QYD2Bev56gf862+xiF1ul3+Nrr5R2+57oMmknjNE4oL ciYKrCOR2Zg53mbfC8ZkmNNdr82p9RQMCEHnnfYuv64dZO8e1sCWnREbdJXbbjkeTafU88n5huAYw ysHnhWPg==; Received: from 2001-1c00-8d85-4b00-266e-96ff-fe07-7dcc.cable.dynamic.v6.ziggo.nl ([2001:1c00:8d85:4b00:266e:96ff:fe07:7dcc] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1wGM1R-0000000FNYF-15Gw; Fri, 24 Apr 2026 19:17:14 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id AA943303078; Fri, 24 Apr 2026 21:17:03 +0200 (CEST) Date: Fri, 24 Apr 2026 21:17:03 +0200 From: Peter Zijlstra To: "David Hildenbrand (Arm)" Cc: Yosry Ahmed , Andrew Morton , Pasha Tatashin , Lance Yang , dave.hansen@intel.com, dave.hansen@linux.intel.com, ypodemsk@redhat.com, hughd@google.com, will@kernel.org, aneesh.kumar@kernel.org, npiggin@gmail.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, arnd@arndb.de, ljs@kernel.org, ziy@nvidia.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, shy828301@gmail.com, riel@surriel.com, jannh@google.com, jgross@suse.com, seanjc@google.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, virtualization@lists.linux.dev, kvm@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ioworker0@gmail.com, roman.gushchin@linux.dev Subject: Re: [PATCH 7.2 v10 0/2] skip redundant sync IPIs when TLB flush sent them Message-ID: <20260424191703.GB3783056@noisy.programming.kicks-ass.net> References: <20260424062528.71951-1-lance.yang@linux.dev> <20260424063024.ce42ee6a5546e4d9337dd007@linux-foundation.org> <20260424071533.d28ce90126f05e1c6fc1b740@linux-foundation.org> <80ab39c2-efb9-4a23-bd56-46d9bb4e41bb@kernel.org> <20260424073145.b990fe9b925da304508aad71@linux-foundation.org> <644e65dc-3d39-4137-b51f-51d953b67d50@kernel.org> <4e7699eb-e101-4a25-b585-79a777eb7cc2@kernel.org> Precedence: bulk X-Mailing-List: linux-arch@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: <4e7699eb-e101-4a25-b585-79a777eb7cc2@kernel.org> On Fri, Apr 24, 2026 at 09:09:21PM +0200, David Hildenbrand (Arm) wrote: > Forcing contributors to reply to everything. I don't like that, in particular > not as long as there is no way for contributors to run it early in private. > > In most cases, contributors just do the reasonable thing: incorporate the > feedback in a new version. Yes, so I understand that you can run it locally, but then you get to pay for the tokens (and sashiko burns tokens like dry grass). I also understand why Google/LF doesn't open this up, its a money pit no doubt. OTOH, I see this causing more reposts of series than we would have had previously -- and we all love more versions of series. I'm not sure I see a solution, other than to read less email -- its not like I can even begin to read all email I get anyway.