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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 4AA23CA6002 for ; Wed, 7 Oct 2026 15:59:11 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.1442523.1660084 (Exim 4.92) (envelope-from ) id 1xEU2e-0007XY-9D; Wed, 07 Oct 2026 15:58:52 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 1442523.1660084; Wed, 07 Oct 2026 15:58:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1xEU2e-0007XR-4f; Wed, 07 Oct 2026 15:58:52 +0000 Received: by outflank-mailman (input) for mailman id 1442523; Wed, 07 Oct 2026 15:58:50 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1xEU2c-0007XL-Ma for xen-devel@lists.xenproject.org; Wed, 07 Oct 2026 15:58:50 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.96) (envelope-from ) id 1xEU2c-001hKG-0k; Wed, 07 Oct 2026 15:58:50 +0000 Received: from 224.pool85-54-217.dynamic.orange.es ([85.54.217.224] helo=localhost) by xenbits.xenproject.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1xEU2b-003PQY-2u; Wed, 07 Oct 2026 15:58:50 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xenproject.org; s=20200302mail; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date; bh=jR8JWj+lE7x4RrahFD+kLgeeLgo2Ww30CzL7fgVm0nw=; b=opbeA5OzcUEGZ1zbIADnF77th9 v/bw1QuH+d7veTn4OEunf5Cxz+KLb5uMEIwGvfziSzIKYxiaItbLrJlFJn+kSrMgcnIoYMraYLUym Z5HS9FxyegwnAjU4IkKSE7BuxMvRrFK+oZ2X7l9nSC9lleLPWUcJPRl8QhH8P1xAhDWo=; Date: Wed, 7 Oct 2026 17:58:47 +0200 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: George Dunlap Cc: xen-devel@lists.xenproject.org, Roger Pau =?utf-8?B?TW9ubsOp?= , Jan Beulich , Andrew Cooper , Teddy Astie Subject: Re: [PATCH v3 03/18] x86/mm: prepare destroy_perdomain_mapping() for per-vCPU perdomain areas Message-ID: References: <20261007104051.48841-1-gwd@xenproject.org> <20261007104051.48841-4-gwd@xenproject.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20261007104051.48841-4-gwd@xenproject.org> On Wed, Oct 07, 2026 at 11:40:36AM +0100, George Dunlap wrote: > From: Roger Pau Monné > > We want to change per-domain mappings to be per-vCPU mappings. In > preparation for that, we want to arrange that > destroy_perdomain_mapping() work either with a single perdomain area, > or with a per-vCPU perdomain area. > > The one remaining caller, free_compat_arg_xlat(), is already in a vCPU > context, so we just need to change the parameter from a domain pointer > to a vCPU pointer. Without the linear mapping usage this is now a non-functional change, I would possibly state that on the commit message. > Signed-off-by: Roger Pau Monné > Assisted-by: Claude Code:claude-fable-5, Claude Code:claude-opus-4-8, Claude Code:claude-opus-5-5 > Signed-off-by: George Dunlap Reviewed-by: Roger Pau Monné Thanks, Roger.