commit: e249807ef16b86e3223e05d6657698c2a4d77993 Author: Daniel Robbins <drobbins <AT> funtoo <DOT> org> AuthorDate: Thu Feb 26 06:08:55 2015 +0000 Commit: Robin H. Johnson <robbat2 <AT> gentoo <DOT> org> CommitDate: Sun Jan 8 00:09:48 2017 +0000 URL: https://gitweb.gentoo.org/proj/genkernel.git/commit/?id=e249807e
Add firstmods boot option (from Funtoo genkernel). Add firstmods boot option, which allows for a comma-delimited list of modules to try loading first. If rootfstype is specified too, and the block device is visible after these modules are loaded, then the massive module loading is skipped. (cherry picked from commit 7059bfd8c6a4a6ef9c0f3307388d37ad817dd3af) Signed-off-by: Robin H. Johnson <robbat2 <AT> gentoo.org> defaults/initrd.scripts | 10 ++++++++-- defaults/linuxrc | 10 +++++++++- 2 files changed, 17 insertions(+), 3 deletions(-) diff --git a/defaults/initrd.scripts b/defaults/initrd.scripts index 17166e4..d00e1c7 100644 --- a/defaults/initrd.scripts +++ b/defaults/initrd.scripts @@ -19,12 +19,14 @@ call_func_timeout() } modules_load() { + fn=$1 + shift for module in $* do - echo ${module} >> /etc/modules/extra_load + echo ${module} >> /etc/modules/$fn done - modules_scan extra_load + modules_scan $fn } modules_scan() { @@ -44,6 +46,10 @@ modules_scan() { printf "%b\n" "${BOLD} ::${NORMAL} Skipping ${x}..." elif [ "${MLOAD}" = "${MLIST}" ] then + if [ "${ROOTFSTYPE}" != 'auto' ] && [ -b "${REAL_ROOT}" ]; then + echo "Root block device found, continuing..." + break + fi if [ -n "${DEBUG}" ]; then printf "%b" "${BOLD} ::${NORMAL} " printf "%b" "Scanning for ${x}..." diff --git a/defaults/linuxrc b/defaults/linuxrc index d09b96f..db8c490 100644 --- a/defaults/linuxrc +++ b/defaults/linuxrc @@ -139,6 +139,10 @@ do rootdelay|rootwait) ROOTDELAY=5 ;; + firstmods=*) + FIRSTMODS=${x#*=} + FIRSTMODS=$(echo ${MDOLIST} | sed -e 's/,/ /g') + ;; # Module no-loads doload=*) MDOLIST=${x#*=} @@ -363,6 +367,10 @@ then elif [ -d "/lib/modules/${KV}" ] then good_msg 'Loading modules' + if [ -n "$FIRSTMODS" ]; then + # try these modules first -- detected modules for root device: + modules_load firstmods ${FIRSTMODS} + fi # Load appropriate kernel modules if [ "${NODETECT}" != '1' ] then @@ -372,7 +380,7 @@ then done fi # Always eval doload=... - modules_load ${MDOLIST} + modules_load extra_load ${MDOLIST} else good_msg 'Skipping module load; no modules in the ramdisk!' fi