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Bottomley" , Helge Deller , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Andreas Larsson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Chris Zankel , Max Filippov , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Lorenzo Stoakes , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 2/3] mm: Pass vm_flags to generic_get_unmapped_area() Message-ID: References: <20240902-mm-generic-shadow-stack-guard-v1-0-9acda38b3dd3@kernel.org> <20240902-mm-generic-shadow-stack-guard-v1-2-9acda38b3dd3@kernel.org> Precedence: bulk X-Mailing-List: linux-alpha@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20240902-mm-generic-shadow-stack-guard-v1-2-9acda38b3dd3@kernel.org> On Mon, Sep 02, 2024 at 08:08:14PM +0100, Mark Brown wrote: >In preparation for using vm_flags to ensure guard pages for shadow stacks >supply them as an argument to generic_get_unmapped_area(). The only user >outside of the core code is the PowerPC book3s64 implementation which is >trivially wrapping the generic implementation in the radix_enabled() case. > >Signed-off-by: Mark Brown Reviewed-by: Deepak Gupta 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0833CCD4847 for ; Wed, 4 Sep 2024 18:53:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=v7E7UJBRk/TeT0S8vXjaICb1hYhcCV5oLnQoCeulaag=; b=k4a00n2I31P+ghAEs6KMyiAE+c wdXkKSYQVRyI1XNTIvSwt7gi070ItuSIL7pHt/sRLNFxbX5eZTCSPqfk7oDYlwUnY3GnkOlZpOnH1 eLvlXBqyyO0ax5w382qmvZ2nW5j2zJTVZ+l9yZV0+LXxogJjQiYseXDj7UEpX42Vktj//1VEDlpFw lilehT/qec2ivwVV1o6KueayyP8kBUtuPOR2oWVCA9uyTPDAjBr/jJppWqhxiMbMR8QjBLwpqnF4o Ha2BQlLbM2//Fi8fg4JDHQDMSh6omAZb4aXRjP09Zlpz0fo0IlzCjP1DV0Ckp69N6zvpbGMrNJiq5 yHVL4Mgw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1slv8d-00000005hmG-2IIZ; Wed, 04 Sep 2024 18:53:55 +0000 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1slv8Z-00000005hgg-1vhB for linux-snps-arc@lists.infradead.org; Wed, 04 Sep 2024 18:53:53 +0000 Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-714287e4083so6162211b3a.2 for ; Wed, 04 Sep 2024 11:53:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1725476030; x=1726080830; darn=lists.infradead.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=s92rW/1gEQr3xvJKMRwsWt6P8BZ8Funj1rbavwH4oWQ=; b=0o7Kc3O8GAUyxmkU0U9IsUX63ZJs4Jt0+kGrO0Dzvo72ogxln5wk1c6rWQxCRuUnD9 gVdUE9Yz8y2rEi6f46uMx1b6GvcGeIgE70u5TgeOTDvfDyJIarcvxpYZlGFHVvBehK/d tQFkW6C+oTqgAczzt1gPIqkQyH+GH07g/ei2ZCZVu7m48bw3Qi58oO7x+5UMo+mFWwaM MURQsAQ4OrGE7B2KyYlLXvvx/zOm0n78lLSYUaAiQCBgvTUIJYdl675OT2vZP25hjtnC g73jFmlfw7Mea28cqHJPcmf8JHIQuQtAvo26IRBvWe9J3ovb2+aZqjpzNRQWL19GQUBB H5FQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725476030; x=1726080830; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=s92rW/1gEQr3xvJKMRwsWt6P8BZ8Funj1rbavwH4oWQ=; b=X88IYoX+TTz+qW3atnvNgzqLAO7D4PVIVyj2t1j7B2XA0STUbW8eabLUedR/OUnhc4 zf5vb4cpjtRLUc3InU73d3aa5WZOFZpxfu2bItmq/K5tVosnqYIrOvprJ64Eli51WPjY IGTfV/ZTwnOb6s8v0O8DKZv3PHNKHUpC6/iJS4ZC6DoAggE7+yc6GiaDVGTblAe04SlW 4dmJjz4rhK4Of9DLKLOPGHV0ap20MGvW1QIZBW9BzV9cIZu/Qr/4n9aZSuO1la2YMEIi vJqdahtTUCgqqv1lSQfByZVLX0Tukex1GYzNYyOp0WEadcBxsMtaLq8fbVH9IhFSHs+I dmgw== X-Forwarded-Encrypted: i=1; AJvYcCVBd4RlQkJVnAiswWYQ05HYywsCXrFKpwdc6KTuyYXYtGJvhx8FN3k/3EuLSc+OyABKVQ/Z3u81JT3MfD0+AA==@lists.infradead.org X-Gm-Message-State: AOJu0YzkIXiPok/6N8NmzwTkpp1AMnBKtMXG4Q19Bs5WThkPuf8up4C2 pTsybOFdxJqg4wnRO2IOhZL6AXo5Ql4a9Bb5gc0kqeWh1hr3baxMYkodF1z8/uk= X-Google-Smtp-Source: AGHT+IE2IsoC0LRmiLcI1CkvV1DU3vw4DUJdyqp6MID1n1cX+56uyYB7jBo1wGGq/wkl04oTY4Plng== X-Received: by 2002:a05:6a21:318b:b0:1ce:cbcf:aaa9 with SMTP id adf61e73a8af0-1cecdfdea62mr20770394637.36.1725476029832; Wed, 04 Sep 2024 11:53:49 -0700 (PDT) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71778522979sm1947597b3a.30.2024.09.04.11.53.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 11:53:49 -0700 (PDT) Date: Wed, 4 Sep 2024 11:53:45 -0700 From: Deepak Gupta To: Mark Brown Cc: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Guo Ren , Huacai Chen , WANG Xuerui , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Andreas Larsson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Chris Zankel , Max Filippov , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Lorenzo Stoakes , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 2/3] mm: Pass vm_flags to generic_get_unmapped_area() Message-ID: References: <20240902-mm-generic-shadow-stack-guard-v1-0-9acda38b3dd3@kernel.org> <20240902-mm-generic-shadow-stack-guard-v1-2-9acda38b3dd3@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240902-mm-generic-shadow-stack-guard-v1-2-9acda38b3dd3@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240904_115351_762385_DEE8947F X-CRM114-Status: GOOD ( 10.28 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Mon, Sep 02, 2024 at 08:08:14PM +0100, Mark Brown wrote: >In preparation for using vm_flags to ensure guard pages for shadow stacks >supply them as an argument to generic_get_unmapped_area(). The only user >outside of the core code is the PowerPC book3s64 implementation which is >trivially wrapping the generic implementation in the radix_enabled() case. > >Signed-off-by: Mark Brown Reviewed-by: Deepak Gupta _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc