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| author | Tomasz Maciej Nowak <tomek_n@o2.pl> | 2018-11-20 17:20:43 +0100 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-11-26 12:05:44 +0100 |
| commit | 546fced2a23557e95dd34246744c3aa6cad92fe6 (patch) | |
| tree | b74e0145b0ae6db0f770da2acae64eb6d2a34143 /target/linux/x86/base-files/lib | |
| parent | ad83fde30de5d154bf723d0fd07f945a8cdb6510 (diff) | |
| download | upstream-546fced2a23557e95dd34246744c3aa6cad92fe6.tar.gz upstream-546fced2a23557e95dd34246744c3aa6cad92fe6.tar.bz2 upstream-546fced2a23557e95dd34246744c3aa6cad92fe6.zip | |
x86: add intel microcode entries to grub config
Create initrd enries for x86 images, that'll load intel microcode as
early as possible. To achieve that the test module for grub is enabled
which provides shell-like conditionals. Also restrict the late load of
microcode to AMD processors.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
Diffstat (limited to 'target/linux/x86/base-files/lib')
| -rw-r--r-- | target/linux/x86/base-files/lib/preinit/02_load_x86_ucode | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/target/linux/x86/base-files/lib/preinit/02_load_x86_ucode b/target/linux/x86/base-files/lib/preinit/02_load_x86_ucode index fb309c75c1..d3a23e24b2 100644 --- a/target/linux/x86/base-files/lib/preinit/02_load_x86_ucode +++ b/target/linux/x86/base-files/lib/preinit/02_load_x86_ucode @@ -2,8 +2,10 @@ # Copyright (C) 2018 OpenWrt.org do_load_x86_ucode() { - if [ -e "/sys/devices/system/cpu/microcode/reload" ]; then - echo 1 > /sys/devices/system/cpu/microcode/reload + if grep -q AuthenticAMD /proc/cpuinfo; then + if [ -e "/sys/devices/system/cpu/microcode/reload" ]; then + echo 1 > /sys/devices/system/cpu/microcode/reload + fi fi } |