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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16495FA373D for ; Tue, 1 Nov 2022 06:50:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229872AbiKAGuL (ORCPT ); Tue, 1 Nov 2022 02:50:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229795AbiKAGuI (ORCPT ); Tue, 1 Nov 2022 02:50:08 -0400 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61C13BC9E for ; Mon, 31 Oct 2022 23:50:07 -0700 (PDT) Received: by mail-wm1-f47.google.com with SMTP id l16-20020a05600c4f1000b003c6c0d2a445so9344756wmq.4 for ; Mon, 31 Oct 2022 23:50:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:references:cc:to:from :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=L/TlanoNX7lE0YMUkSvsZLUQrX4flVMuJ3MNTRvQeH0=; b=dg6LGn4DraeFQqqXR8NdGIEDp6L4e2SlJJDpi9pGxcKVsUNep+zU5sBMVBxB7Yn06P BdWRlnTt9SfK+HG85gkkjm997rVgmhf3vj8ZuJc/li+zD000owPZgc7/mrWRKKitTQR7 omUXq5en65CAqKsq0QqWuMIWvclx1hTGwaawnX1RuT9SXGn0MBzfYESfMIvFAEtV9G6i h3l6km2CFXncGTxIC00dmDzM2nT07Ilv7hD1B7xaJ+Yp27VzlvcEmCz7nxn6bqtFJ0zm Zx/QvhUK9f/BaXPWy1zSGlfxAVt05MPKt9XaK7vHgjvNTyzICrC01aUclN/JcpFtdEF/ V82Q== X-Gm-Message-State: ACrzQf0ynrNDSsVNyA4psqLnznKtuyO4kKfHyNhmeFxXPKoUSSGbGZ7L tiiiWUvBd9H8SDqO0GcihNfUAHZ0LRbfXw== X-Google-Smtp-Source: AMsMyM78j5JqLY0LLKjLKluZkHoi/rxNmRHVA/qWgCbqzxA90fHrmEwlJEXmmSVqzU5Eiu67ZaBF0w== X-Received: by 2002:a05:600c:1e8b:b0:3c6:f6e5:c41d with SMTP id be11-20020a05600c1e8b00b003c6f6e5c41dmr21080972wmb.12.1667285405811; Mon, 31 Oct 2022 23:50:05 -0700 (PDT) Received: from [192.168.1.49] (185-219-167-24-static.vivo.cz. [185.219.167.24]) by smtp.gmail.com with ESMTPSA id q9-20020adfdfc9000000b002366d1cc198sm9371772wrn.41.2022.10.31.23.50.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 Oct 2022 23:50:05 -0700 (PDT) Message-ID: <39ac78ea-1ee5-8911-1208-c56e57df7338@kernel.org> Date: Tue, 1 Nov 2022 07:50:04 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.1 Subject: Re: [PATCH 1/2] x86/boot: robustify calling startup_{32,64}() from the decompressor code Content-Language: en-US From: Jiri Slaby To: Alexander Lobakin , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen Cc: "H. Peter Anvin" , "Peter Zijlstra (Intel)" , Tony Luck , Kees Cook , Masahiro Yamada , x86@kernel.org, linux-kernel@vger.kernel.org References: <20221031151047.167288-1-alexandr.lobakin@intel.com> <20221031151047.167288-2-alexandr.lobakin@intel.com> <0fcbedf6-3eb5-75cd-cdd9-24582f70cc64@kernel.org> In-Reply-To: <0fcbedf6-3eb5-75cd-cdd9-24582f70cc64@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01. 11. 22, 7:47, Jiri Slaby wrote: > Tested-by: Jiri Slaby FWIW that means: tested with gcc-lto which deliberately stores startup_64() randomly, not to the beginning of vmlinux. -- js suse labs