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 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=-15.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 88DA9C433E0 for ; Thu, 4 Mar 2021 19:44:44 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id DFF5964F6A for ; Thu, 4 Mar 2021 19:44:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DFF5964F6A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 747824B61A; Thu, 4 Mar 2021 14:44:43 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@kernel.org Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oj+pk+AvbFgy; Thu, 4 Mar 2021 14:44:41 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 29CE04B3A2; Thu, 4 Mar 2021 14:44:41 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 1A6CE4B3A2 for ; Thu, 4 Mar 2021 14:44:40 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BBTVVp4UEePT for ; Thu, 4 Mar 2021 14:44:39 -0500 (EST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 303ED4B38A for ; Thu, 4 Mar 2021 14:44:39 -0500 (EST) 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 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-Disposition: inline In-Reply-To: <20210302150002.3685113-24-qperret@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: android-kvm@google.com, catalin.marinas@arm.com, mate.toth-pal@arm.com, seanjc@google.com, tabba@google.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, maz@kernel.org, kernel-team@android.com, kvmarm@lists.cs.columbia.edu X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu 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 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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=-15.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 5E3D0C433E0 for ; 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bh=fM+aAi78Js7TqDsawRm9gZb0ufb1c6nB+f3LdgDgQeI=; b=UfwT7DzAPnpKuzVqlcIiTwEX4 Gqz+M7RozuV/oIVp9Lb32tTREWp4nkJbBKI6y3fWnhtlg4K+5wKgtqJHXAqmSyjgrby0yJgsAGdfC eyXsvg9T4xcVn5PHg3Df1tYMBfA9ZhTp6gGex+RQ+oGLK4GPrCJmD4yy4FklV3mESrK+WC4oasOBe S9UlaTXb8HEl/0S0LnKFX660gwNZIed9Jbebko3i7CtDKzWYrVPRs6MSbqOIeFg0VHBbFsjDxgDqD jZYn1Dbm74+ds4+6b70m/a/RjNRikSVPS/BQu4RNK/p8jIKu9TWNv8BfduPNauTEd6AS9rPIKLGy2 6s+GNci6Q==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lHttw-009ogb-38; Thu, 04 Mar 2021 19:44:48 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lHttr-009off-NZ for linux-arm-kernel@lists.infradead.org; Thu, 04 Mar 2021 19:44:45 +0000 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-Disposition: inline In-Reply-To: <20210302150002.3685113-24-qperret@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel