bf2ad9e872
noefi and acpi_rsdp for EFI firmware (bsc#1123940). OBS-URL: https://build.opensuse.org/package/show/Kernel:kdump/kdump?expand=0&rev=175
54 lines
1.7 KiB
Diff
54 lines
1.7 KiB
Diff
From 3ea13723f93cc22d163f1f1c8e64ccef3fa32471 Mon Sep 17 00:00:00 2001
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From: "Lee, Chun-Yi" <jlee@suse.com>
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Date: Tue, 5 Mar 2019 15:06:10 +0800
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Subject: Remove noefi and acpi_rsdp for EFI firmware
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References: bsc#1123940
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Upstream: merged
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Git-commit: 3ea13723f93cc22d163f1f1c8e64ccef3fa32471
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The noefi and acpi_rsdp can be removed because kernel passes necessary
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EFI data for kexec via setup_data since 1fec05336 patch be introduced
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in v3.14 kernel. (bsc#1098210)
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On the other hand, the MOK (machine owner key) doesn't work with noefi.
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It causes that third-party signed kernel modules can not be loaded by
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crash kernel. Crash kernel can provide EFI runtime services for loading
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MOK after noefi be removed. (bsc#1123940)
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The kdump without noefi has been tested on Huawei Kunlun, Intel
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minnowboard and KVM-OVMF.
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Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
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Acked-by: Petr Tesarik <ptesarik@suse.com>
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---
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init/load.sh | 11 -----------
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1 file changed, 11 deletions(-)
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--- a/init/load.sh
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+++ b/init/load.sh
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@@ -5,7 +5,6 @@
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KDUMPTOOL=/usr/sbin/kdumptool
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KEXEC=/sbin/kexec
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-EFI_SYSTAB=/sys/firmware/efi/systab
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FADUMP_ENABLED=/sys/kernel/fadump_enabled
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FADUMP_REGISTERED=/sys/kernel/fadump_registered
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@@ -97,16 +96,6 @@ function build_kdump_commandline()
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kernelrelease=$(uname -r)
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commandline="$commandline kernelversion=$kernelrelease"
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fi
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-
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- if [ -f /sys/firmware/efi/systab ] ; then
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- local acpi_addr
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- if grep -q '^ACPI20=' /sys/firmware/efi/systab ; then
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- acpi_addr=$(awk -F'=' '/^ACPI20=/ {print $2}' "$EFI_SYSTAB")
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- else
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- acpi_addr=$(awk -F'=' '/^ACPI=/ {print $2}' "$EFI_SYSTAB")
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- fi
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- commandline="$commandline noefi acpi_rsdp=$acpi_addr"
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- fi
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fi
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commandline="$commandline $KDUMP_COMMANDLINE_APPEND"
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