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 X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2CA3C433DB for ; Thu, 4 Mar 2021 19:45:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D2FB64F52 for ; Thu, 4 Mar 2021 19:45:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236872AbhCDTpY (ORCPT ); Thu, 4 Mar 2021 14:45:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:46032 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231734AbhCDTpS (ORCPT ); Thu, 4 Mar 2021 14:45:18 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7A75E64F52; Thu, 4 Mar 2021 19:44:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614887078; bh=MCPai1ot4VOLKCgUqTHIX0hjr6qRhCdZXO2eAD7YTPA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=T/ZdMeD99zLdiu5Mf8+6r1+WLZj8tYYhFIwSur1ZSlTeN2C3FD8ngHfEZ5tQjAkKS i/2vkYjl3E62JA/s9bOuiA9Ozuv1Bwd8eKSuUy84Y565l7dNIBRFsmJY1ko/9BI1zO XGygWLtIKgQ0NQ4nv8T6rPaWer/Ow0WyrBR/Ad1jrJSdYga/wXwoZrr7EVVRgghzvG gUOnwjnLsSzN6a+or2rPjp0N11Y3HmKgPGYJLo3ZMBCltFV5AHcnHaelWNdGQFnxw7 CFGqNl84TaX4bqlMCfYXdymJ1liZhxR/ckgJ55j5tiiFo6hEEgAqUyRO8jhFrQ2Bl5 rl4k0yAsojpzw== Date: Thu, 4 Mar 2021 19:44:32 +0000 From: Will Deacon To: Quentin Perret Cc: catalin.marinas@arm.com, maz@kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, android-kvm@google.com, linux-kernel@vger.kernel.org, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, tabba@google.com, mark.rutland@arm.com, dbrazdil@google.com, mate.toth-pal@arm.com, seanjc@google.com, robh+dt@kernel.org Subject: Re: [PATCH v3 23/32] KVM: arm64: Make memcache anonymous in pgtable allocator Message-ID: <20210304194431.GC21950@willie-the-truck> References: <20210302150002.3685113-1-qperret@google.com> <20210302150002.3685113-24-qperret@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210302150002.3685113-24-qperret@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 02, 2021 at 02:59:53PM +0000, Quentin Perret wrote: > The current stage2 page-table allocator uses a memcache to get > pre-allocated pages when it needs any. To allow re-using this code at > EL2 which uses a concept of memory pools, make the memcache argument of > kvm_pgtable_stage2_map() anonymous, and let the mm_ops zalloc_page() > callbacks use it the way they need to. > > Signed-off-by: Quentin Perret > --- > arch/arm64/include/asm/kvm_pgtable.h | 6 +++--- > arch/arm64/kvm/hyp/pgtable.c | 4 ++-- > 2 files changed, 5 insertions(+), 5 deletions(-) Acked-by: Will Deacon Will