From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794601973; b=w6iMaZeFYwlRcQM9WZLNTb1u6a1p4VRn4kE6321jWizwsf78AgZ/ZUFAqNOGKQStCCek BBB4sLOxT1NynZpwvlA1XzZaaM1a0LcBkPCFeYUXkH4gLr43PEUcISR5iEaxRJ5NcoPuv bdI/yucr60lKx43D5SMIfwVUYuyr1SRnW7Wx8WLoG8F+E9v0jw0tBJB00AzzwFnQ0x3vW jQVvCOsBDHgARTiVONZlxPOVmV0O7IYudxxM9IR0Lo+UI0281WvpkoL84vAzaRHsYIw6a CRoxgv+RbVpKeE2GBIGGRDV5LsaGmClNf3iXGX06W/D1hPHHTssFWW+WLGlXRqPAIXQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794601973; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition: Content-Transfer-Encoding:In-Reply-To; bh=7kGyvkK08X7x1lT2uCcH0FMHoas2jrbCjIylRbFLUhU=; b=sNquF25DMR342eB7ZnIpadPz5V3n4xzSr4zOPbHsp3d2KzsWje9Xp0aQmXAA5f7OZmec k7bsXRNlmx/2/8g0LamaKfJH4hZsEi8+5CUJdCnag1xibFfHO/lHzjfrkL1ChWbQK4QlX pnrjaCSFkJ/HMBEtLpJ/xCbh4B+wFx0ocNENKMK6+PZ9HGVWFVw49jH9wPnKyApymBGO5 ItDidPpJX3lFXezxHruOVjZoTvjZrOXgvGD3BIrxupy9cnZSzjx8Hvd1pOFxogVF2jMqM T+9gfOcts9MOXCqnhq6ls5J/ybaN7BkL/pLf0IwQAkPL1mLNnbvvgs/bHls3dbjCjzQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=F2pk+jG4; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DFE8606A331; Fri, 13 Nov 2026 20:32:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=F2pk+jG4 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6156C1F000C4; Fri, 13 Nov 2026 20:32:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794601973; bh=7kGyvkK08X7x1lT2uCcH0FMHoas2jrbCjIylRbFLUhU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=F2pk+jG4qUvodejQG38Pf9aLunFm0mGPRbuZwJxDgkyHq7jOf+NJX1i/vtDIatCPf Cw2NBFZtuONe4xwLRjLZQQviA5lPwdhtGZgKNvrguufJykmq95BoxszydeILAPgPWB vNYGqGq/D5E7LWSO7AagLb34uHE8769m3fs97xzHZdS4tb5IGuw3M1rwA86XR+4fYP NwnwwvzQ8Je8HFhReph9Hnq5uE+AvFEGZUEhJZEdJyfr8Qsjv9d1/ZC0SGtQqk5A2f p5qcpnnvksMjDPjc48+mt9oxd18LnMfhIY366tkaJk/nfQW8WEw1Ut6/id++D3wz6D fQqI4bWU6FDPA== Date: Fri, 13 Nov 2026 20:32:46 +0000 From: "Lorenzo Stoakes (ARM)" To: "David Hildenbrand (Arm)" Cc: Carlos =?utf-8?B?TMOzcGV6?= , kvm@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linux-riscv@lists.infradead.org, seanjc@google.com, pbonzini@redhat.com, akpm@linux-foundation.org, peterx@redhat.com, imbrenda@linux.ibm.com, borntraeger@linux.ibm.com, frankja@linux.ibm.com, Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Subject: Re: [PATCH v3 0/9] KVM: don't zap secondary MMU on permission upgrade Message-ID: References: <20261112142039.907090-2-clopez@suse.de> <2ff19317-8da9-4014-be04-27fc218b8eea@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2ff19317-8da9-4014-be04-27fc218b8eea@kernel.org> On Fri, Nov 13, 2026 at 08:00:02PM +0100, David Hildenbrand (Arm) wrote: > On 11/12/26 15:20, Carlos López wrote: > We generally don't add performance improvements without clear motivation and > data to back it up. > > MM is currently busy with more important stuff, so best to keep your changes to > a bare minimum. I'm sorry after what I've seen from this series I'm pretty convinced it'd need a whole bunch of revisions, and we just don't have time for this kind of thing this cycle. This is v3 and I already want to NAK it... -- Cheers, Lorenzo