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=-11.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no 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 55A02C433E0 for ; Mon, 18 May 2020 16:42:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 369A3207E8 for ; Mon, 18 May 2020 16:42:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="t5kbJ8vE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728387AbgERQm6 (ORCPT ); Mon, 18 May 2020 12:42:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50556 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728127AbgERQm6 (ORCPT ); Mon, 18 May 2020 12:42:58 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7A24C061A0C for ; Mon, 18 May 2020 09:42:57 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id s8so12657169wrt.9 for ; Mon, 18 May 2020 09:42:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=l7z6K0amO/UJk176kcJX4YeJlctfObnJzJsw8pKe4sQ=; b=t5kbJ8vEQ29jXrypKtW3eJgqbsxD4z/bPK/nPLvx1ZJJGdVY79R33x66hal4j53Dr3 wfI41HluahUWCRhpDePMjy/Fmt7gXAHOX2Vj+m7i6uT7LNk1CW2NuqBhL2wnPWG8M/K6 ZfTiJ4TzIrY9qDOmQ6u+zRo0jx9Fz6R7MJeVPtAWDHtaQmY+j6ZA0GOIcc5EPHkRjJkv hrsONuz0sTr4YL0NvVUVKzFickAjmDOkC5vxwPnkTV0clhri3E1bXds2SZq6FLpTAzK1 4wI1CT8Qwnamr/v2pa27pFL0xCHq5rDzQ0JNtjk1KZxr/ikAms2TvFDyiczEIdvmOlpT M9eQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=l7z6K0amO/UJk176kcJX4YeJlctfObnJzJsw8pKe4sQ=; b=BTJW0Lh/gvN6/Yb8E++5XhKMZjM3JsmYbpu4SgmREagki6epLIDrmrzzLo4i0/LNoz qlzA4aF5MEzoTGsGWtnFDCIxfna1el2NZlE8KALbm+ic/wYlsi3CFENWRqooY/5wq2Ng UvIwwPV//viABWb28qLFqkFS/F00YAqieTZXLTjMutOxUoIOu3aM8V1a5yrnYPiDUQJV 8bgCBCjSn7/7oImB4Q7Gn8Awvuiz166igCa6t4gqPlPCaCW+a0fsPG8uwz/ZLAC1SeXq 1CVoHP4ka6JOJN437iTlBJmSM1B/2Ru8SxgSnt3JTYQUWv4ftFAqci2gvacjD99yDaH6 WRPw== X-Gm-Message-State: AOAM533G87KWQSU38DG8M/vS7NWAXCRNT8tjUUh/s2p3BE7kIhpwbbHm cqE1/Em4Sau3tbuGI4QwdNP3lg== X-Google-Smtp-Source: ABdhPJx0XDQyf7zT0sv6Q3paDSxLsaxOBCpajY4Yvk08GG2KYWSgZT6Ac/ffdWmbevL3HdDikI5PEw== X-Received: by 2002:a05:6000:1252:: with SMTP id j18mr10965847wrx.3.1589820175994; Mon, 18 May 2020 09:42:55 -0700 (PDT) Received: from dbrazdil-macbookpro.roam.corp.google.com ([2a01:4b00:8523:2d03:4431:2de6:16f:7f90]) by smtp.gmail.com with ESMTPSA id v24sm106645wmh.45.2020.05.18.09.42.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2020 09:42:55 -0700 (PDT) From: David Brazdil X-Google-Original-From: David Brazdil Date: Mon, 18 May 2020 17:42:54 +0100 To: Andrew Scull Cc: David Brazdil , Catalin Marinas , James Morse , Julien Thierry , Marc Zyngier , Suzuki K Poulose , Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 04/14] arm64: kvm: Add build rules for separate nVHE object files Message-ID: <20200518164254.b26ankme6pb6ijqr@dbrazdil-macbookpro.roam.corp.google.com> References: <20200515105841.73532-1-dbrazdil@google.com> <20200515105841.73532-5-dbrazdil@google.com> <20200518155553.GB147668@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200518155553.GB147668@google.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 18, 2020 at 04:55:53PM +0100, Andrew Scull wrote: > On Fri, May 15, 2020 at 11:58:31AM +0100, David Brazdil wrote: > > diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h > > index 7f06ad93fc95..13850134fc28 100644 > > --- a/arch/arm64/kernel/image-vars.h > > +++ b/arch/arm64/kernel/image-vars.h > > @@ -51,4 +51,16 @@ __efistub__ctype = _ctype; > > > > #endif > > > > +#ifdef CONFIG_KVM > > + > > +/* > > + * KVM nVHE code has its own symbol namespace prefixed by __hyp_text_, to > > + * isolate it from the kernel proper. The following symbols are legally > > + * accessed by it, therefore provide aliases to make them linkable. > > + * Do not include symbols which may not be safely accessed under hypervisor > > + * memory mappings. > > + */ > > nit: the prefix is not '__kvm_nvhe_' rather than '__hyp_text_' Thanks, will fix in v3. 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Mon, 18 May 2020 09:42:55 -0700 (PDT) From: David Brazdil X-Google-Original-From: David Brazdil Date: Mon, 18 May 2020 17:42:54 +0100 To: Andrew Scull Subject: Re: [PATCH v2 04/14] arm64: kvm: Add build rules for separate nVHE object files Message-ID: <20200518164254.b26ankme6pb6ijqr@dbrazdil-macbookpro.roam.corp.google.com> References: <20200515105841.73532-1-dbrazdil@google.com> <20200515105841.73532-5-dbrazdil@google.com> <20200518155553.GB147668@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200518155553.GB147668@google.com> Cc: Catalin Marinas , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marc Zyngier , Will Deacon , 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 Mon, May 18, 2020 at 04:55:53PM +0100, Andrew Scull wrote: > On Fri, May 15, 2020 at 11:58:31AM +0100, David Brazdil wrote: > > diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h > > index 7f06ad93fc95..13850134fc28 100644 > > --- a/arch/arm64/kernel/image-vars.h > > +++ b/arch/arm64/kernel/image-vars.h > > @@ -51,4 +51,16 @@ __efistub__ctype = _ctype; > > > > #endif > > > > +#ifdef CONFIG_KVM > > + > > +/* > > + * KVM nVHE code has its own symbol namespace prefixed by __hyp_text_, to > > + * isolate it from the kernel proper. The following symbols are legally > > + * accessed by it, therefore provide aliases to make them linkable. > > + * Do not include symbols which may not be safely accessed under hypervisor > > + * memory mappings. > > + */ > > nit: the prefix is not '__kvm_nvhe_' rather than '__hyp_text_' Thanks, will fix in v3. _______________________________________________ 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 6DFDFC433E1 for ; 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Mon, 18 May 2020 09:42:55 -0700 (PDT) Received: from dbrazdil-macbookpro.roam.corp.google.com ([2a01:4b00:8523:2d03:4431:2de6:16f:7f90]) by smtp.gmail.com with ESMTPSA id v24sm106645wmh.45.2020.05.18.09.42.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2020 09:42:55 -0700 (PDT) From: David Brazdil X-Google-Original-From: David Brazdil Date: Mon, 18 May 2020 17:42:54 +0100 To: Andrew Scull Subject: Re: [PATCH v2 04/14] arm64: kvm: Add build rules for separate nVHE object files Message-ID: <20200518164254.b26ankme6pb6ijqr@dbrazdil-macbookpro.roam.corp.google.com> References: <20200515105841.73532-1-dbrazdil@google.com> <20200515105841.73532-5-dbrazdil@google.com> <20200518155553.GB147668@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200518155553.GB147668@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200518_094300_442670_CC91F1AC X-CRM114-Status: GOOD ( 15.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Suzuki K Poulose , Catalin Marinas , linux-kernel@vger.kernel.org, James Morse , linux-arm-kernel@lists.infradead.org, Marc Zyngier , David Brazdil , Will Deacon , kvmarm@lists.cs.columbia.edu, Julien Thierry Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, May 18, 2020 at 04:55:53PM +0100, Andrew Scull wrote: > On Fri, May 15, 2020 at 11:58:31AM +0100, David Brazdil wrote: > > diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h > > index 7f06ad93fc95..13850134fc28 100644 > > --- a/arch/arm64/kernel/image-vars.h > > +++ b/arch/arm64/kernel/image-vars.h > > @@ -51,4 +51,16 @@ __efistub__ctype = _ctype; > > > > #endif > > > > +#ifdef CONFIG_KVM > > + > > +/* > > + * KVM nVHE code has its own symbol namespace prefixed by __hyp_text_, to > > + * isolate it from the kernel proper. The following symbols are legally > > + * accessed by it, therefore provide aliases to make them linkable. > > + * Do not include symbols which may not be safely accessed under hypervisor > > + * memory mappings. > > + */ > > nit: the prefix is not '__kvm_nvhe_' rather than '__hyp_text_' Thanks, will fix in v3. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel