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 3080B41D11E; Fri, 2 Oct 2026 10:18:28 +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=1790936310; cv=none; b=uEdz33CZqD2F+8r0sgthffO2hbg1a9a3js/1Ny5/NAZ7JKcjwbiZZ5vYUftGKVm7TAuicF7/SF3P8PMzfsJAagVTr25Q1kOzI2XqHq4vQrEFF9k/54OzMvliL7h/qWfulF5OzLzh0cIR16g8MC6abYWic92BGKYd6K9Bku5WR+8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790936310; c=relaxed/simple; bh=EFvCrRBIWF5b7VjJlzEl/8QN+53YJGJq2xeX3a/6Rg4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=a5NTJDiQ5GT2JUzp7P4pb2uXz1j+SOzxFzdrmZX7kuY/dapnofrbP6609IZWRBBNsof363fsuzVrG7AsqHfLa3yAuLpvkT2rn+3WnfD6e68QzaL8IcoAeqXU2sm74NvsINpYJcwwzhAPdur15hR3Xup3cbqfTafkwky5WExG2+o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dO0QF7Fy; 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="dO0QF7Fy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 678BC1F000FF; Fri, 2 Oct 2026 10:18:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790936308; bh=EFvCrRBIWF5b7VjJlzEl/8QN+53YJGJq2xeX3a/6Rg4=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=dO0QF7Fy9SVQ3Fa+3btBoie+pDM8Lk1+P79E8N59Q1N4IH9/niZ/8pXqQp02wWRIR N76lMDD2MAON/2AcdCkav+7m03E7uXn8HvN7EMymSxBB167Fny+no+8iBoDnHQG2vX FHO264uotXxe9vgawMJBX5THTKcXj3pDtbdSD+QW05kEP+XMADvBf5ngIP0JQR4yXf jeZj/9IOUm/NrsSHNjBwCQaJfbiZ8ttVXj2WX4djoX9UzrvuCaQju70PQofstqfd2I kSJ+ymDKob9aZKysEpcibgHoMz5AQ2XWO8DC4CPqMOyW2BqOnfd7JHx4MB9yXaJjU/ M651mDE9LyZyA== Date: Fri, 2 Oct 2026 11:18:18 +0100 From: "Lorenzo Stoakes (ARM)" To: Steffen Eiden Cc: Arnd Bergmann , kvm@vger.kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, Alexander Gordeev , Andreas Grapentin , Catalin Marinas , Christian Borntraeger , Claudio Imbrenda , "David Hildenbrand (Red Hat)" , Friedrich Welter , Fuad Tabba , Gautam Gala , Hariharan Mari , Heiko Carstens , Hendrik Brueckner , Ilya Leoshkevich , Janosch Frank , Joey Gouly , Marc Zyngier , Nico Boehr , Nina Schoetterl-Glausch , Oliver Upton , Paolo Bonzini , Sean Christopherson , Suzuki K Poulose , Sven Schnelle , Ulrich Weigand , Vasily Gorbik , Will Deacon , Zenghui Yu Subject: Re: [PATCH v9 23/24] KVM: s390: arm64: Implement basic page fault handler Message-ID: References: <20260930173441.66762-1-seiden@linux.ibm.com> <20260930173441.66762-24-seiden@linux.ibm.com> <20261001153005.314717-B-seiden@linux.ibm.com> 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=us-ascii Content-Disposition: inline In-Reply-To: <20261001153005.314717-B-seiden@linux.ibm.com> On Thu, Oct 01, 2026 at 05:30:05PM +0200, Steffen Eiden wrote: > On Thu, Oct 01, 2026 at 03:36:26PM +0100, Lorenzo Stoakes (ARM) wrote: > > Ah the s390 <-> kvm emulation stuff. > > no, its not emulation :) > We use a hardware based acclearaion approach. Sorry my apologies, I did know this but mr. brain didn't engage there :) rushing through mails (and been sick these last few days)... > > Or both conditions? One for the s390 guys. > > > so just the initialized test. OK cool, so Arnd's suggestion as-is, then. LGTM! -- Cheers, Lorenzo