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2019-06-11x86/acrn: Use HYPERVISOR_CALLBACK_VECTOR for ACRN guest upcall vectorZhao Yakui
Use the HYPERVISOR_CALLBACK_VECTOR to notify an ACRN guest. Co-developed-by: Jason Chen CJ <jason.cj.chen@intel.com> Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com> Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/1559108037-18813-4-git-send-email-yakui.zhao@intel.com
2019-06-11x86: Add support for Linux guests on an ACRN hypervisorZhao Yakui
ACRN is an open-source hypervisor maintained by The Linux Foundation. It is built for embedded IOT with small footprint and real-time features. Add ACRN guest support so that it allows Linux to be booted under the ACRN hypervisor. This adds only the barebones implementation. [ bp: Massage commit message and help text. ] Co-developed-by: Jason Chen CJ <jason.cj.chen@intel.com> Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com> Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/1559108037-18813-3-git-send-email-yakui.zhao@intel.com