Class: Yast::BootArchClass
- Inherits:
-
Module
- Object
- Module
- Yast::BootArchClass
- Includes:
- Logger
- Defined in:
- src/modules/BootArch.rb
Constant Summary collapse
- S390_WHITELIST =
list of regexp to match kernel params that should be added from installation to running kernel on s390 (bsc#1086665)
[ /net\.ifnames=\S*/, /fips=\S*/, /mitigations=\S*/, /rd\.zdev=\S*/, /zfcp\.allow_lun_scan=\S*/ ].freeze
Instance Method Summary collapse
-
#DefaultKernelParams(resume) ⇒ String
Get parameters for the default kernel.
- #main ⇒ Object
- #propose_cpu_mitigations ⇒ Object
Instance Method Details
#DefaultKernelParams(resume) ⇒ String
Note:
for possible arguments for kernel see man kernel-command-line
Get parameters for the default kernel
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# File 'src/modules/BootArch.rb', line 52 def DefaultKernelParams(resume) features = ProductFeatures.GetStringFeature( "globals", "additional_kernel_parameters" ) kernel_cmdline = Kernel.GetCmdLine.dup if Arch.i386 || Arch.x86_64 || Arch.aarch64 || Arch.arm || Arch.ppc || Arch.riscv64 ret = kernel_cmdline ret << " resume=#{resume}" unless resume.empty? ret << " #{features}" unless features.empty? ret << propose_cpu_mitigations ret << " quiet" ret elsif Arch.s390 termparm = if ENV.fetch("TERM", nil) == "linux" "TERM=linux console=ttyS0 console=ttyS1" else "hvc_iucv=8 TERM=dumb" end parameters = +"#{features} #{termparm}" # pick selected params from installation command line S390_WHITELIST.each do |pattern| parameters << " #{Regexp.last_match(0)}" if kernel_cmdline =~ pattern end parameters << propose_cpu_mitigations parameters << " resume=#{resume}" unless resume.empty? parameters else log.warn "Default kernel parameters not defined" kernel_cmdline + propose_cpu_mitigations end end |
#main ⇒ Object
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# File 'src/modules/BootArch.rb', line 28 def main textdomain "bootloader" Yast.import "Arch" Yast.import "Kernel" Yast.import "Linuxrc" Yast.import "ProductFeatures" Yast.import "Stage" end |
#propose_cpu_mitigations ⇒ Object
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# File 'src/modules/BootArch.rb', line 87 def propose_cpu_mitigations linuxrc_value = Yast::Linuxrc.value_for("mitigations") log.info "linuxrc mitigations #{linuxrc_value.inspect}" return "" unless linuxrc_value.nil? # linuxrc already has mitigations product_value = ProductFeatures.GetStringFeature("globals", "cpu_mitigations") log.info "cpu mitigations in product: #{product_value.inspect}" mitigations = if product_value.empty? ::Bootloader::CpuMitigations::DEFAULT else ::Bootloader::CpuMitigations.from_string(product_value) end # no value for manual mitigations mitigations.kernel_value ? " mitigations=#{mitigations.kernel_value}" : "" end |