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Peter Anvin" , Ard Biesheuvel , Darren Hart , Andy Shevchenko , Boris Ostrovsky , xen-devel@lists.xenproject.org Subject: [PATCH v2 0/3] x86/realmode: use a dummy trampoline for Xen PV guests Date: Tue, 22 Nov 2022 17:38:07 +0100 Message-Id: <20221122163810.29752-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,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 A Xen PV guests can't run in realmode, so the realmode trampoline can omitted. Changes in V2: - complete new approach Juergen Gross (3): x86/realmode: test real_mode_header outside of real_mode_size_needed() x86/realmode: add trampoline reference structure x86/xen: add a dummy trampoline for Xen PV guests arch/x86/include/asm/realmode.h | 15 +++++++++++---- arch/x86/platform/efi/quirks.c | 3 ++- arch/x86/realmode/init.c | 25 ++++++++++++++++++++----- arch/x86/xen/enlighten_pv.c | 17 +++++++++++++++++ 4 files changed, 50 insertions(+), 10 deletions(-) -- 2.35.3