From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kairui Song Subject: [PATCH v3 0/3] make kexec work with efi=noruntime or efi=old_map Date: Fri, 18 Jan 2019 19:13:07 +0800 Message-ID: <20190118111310.29589-1-kasong@redhat.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org, dyoung@redhat.com, bhe@redhat.com, kexec@lists.infradead.org, akpm@linux-foundation.org, robert.moore@intel.com, erik.schmauss@intel.com, rafael.j.wysocki@intel.com, lenb@kernel.org, fanc.fnst@cn.fujitsu.com, linux-acpi@vger.kernel.org, Kairui Song List-Id: linux-acpi@vger.kernel.org This patch series fix the kexec panic on efi=noruntime or efi=old_map pass acpi_rsdp_addr to the second kernel and make it boot up properly. Update from V2: - Store acpi rsdp value, and add an acpi_os_get_root_pointer_late as a helper, leveraging existing codes so we don't need to reparse RSDP. Update from V1: - Add a cover letter and fix some type in commit message - Previous patches are not sent in a single thread Kairui Song (3): x86, kexec_file_load: Don't setup EFI info if EFI runtime is not enabled acpi: store acpi_rsdp address for later kexec usage x86, kexec_file_load: make it work with efi=noruntime or efi=old_map arch/x86/kernel/kexec-bzimage64.c | 13 +++++++++++++ drivers/acpi/osl.c | 10 ++++++++++ include/linux/acpi.h | 3 +++ 3 files changed, 26 insertions(+) -- 2.20.1