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[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 X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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