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Donenfeld" To: pbonzini@redhat.com, ebiggers@kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, qemu-devel@nongnu.org, ardb@kernel.org, kraxel@redhat.com, hpa@zytor.com, bp@alien8.de, philmd@linaro.org Subject: Re: [PATCH qemu v2] x86: don't let decompressed kernel image clobber setup_data Message-ID: References: <20221230183819.604388-1-Jason@zx2c4.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20221230183819.604388-1-Jason@zx2c4.com> X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 Fri, Dec 30, 2022 at 07:38:19PM +0100, Jason A. Donenfeld wrote: > The microvm machine has a gross hack where it fiddles with fw_cfg data > after the fact. So this hack is updated to account for this appending, > by reserving some bytes. This is a little derpy. I'll send a v3 in a second to clean this up.