3rd-party/linux-kernel-module-cheat
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linux: move rebase procedure to submodule neutral section

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Ciro Santilli
2018-08-13 23:02:22 +01:00
parent 626f5f9e22
commit 796a0e1c70
1 changed files with 26 additions and 24 deletions
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README.adoc
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@@ -3097,30 +3097,6 @@ This backwards compatibility is just awesome, it makes getting and running the l
This also makes this repo the perfect setup to develop the Linux kernel. This also makes this repo the perfect setup to develop the Linux kernel.
When we had a local patchset on top of mainline, this is how we updated it:
....
# Last point before out patches.
last_mainline_revision=v4.15
next_mainline_revision=v4.16
cd linux
# Create a branch before the rebase in case things go wrong.
git checkout -b "lkmc-${last_mainline_revision}"
git remote set-url origin git@github.com:cirosantilli/linux.git
git push
git checkout master
git remote add up git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
git fetch up
git rebase --onto "$next_mainline_revision" "$last_mainline_revision"
# And update the README to show off.
git commit -m "linux: update to ${next_mainline_revision}"
....
But we have since moved to running just mainline, which makes the update simpler.
In case something breaks while updating the Linux kernel, you can try to bisect it to understand the root cause: <<bisection>>. In case something breaks while updating the Linux kernel, you can try to bisect it to understand the root cause: <<bisection>>.
==== Downgrade the Linux kernel ==== Downgrade the Linux kernel
@@ -9538,6 +9514,32 @@ rm -rf "$(./getvar -a arm build_dir)/host-qemu-custom.bisect"
An example of Linux kernel commit bisection on gem5 boots can be found at: link:linux-bisect-boot-gem5[]. An example of Linux kernel commit bisection on gem5 boots can be found at: link:linux-bisect-boot-gem5[].
==== Update a forked submodule
This is a template update procedure for submodules for which we have some patches on on top of mainline.
This example is based on the Linux kernel, for which we used to have patches, but have since moved to mainline:
....
# Last point before out patches.
last_mainline_revision=v4.15
next_mainline_revision=v4.16
cd linux
# Create a branch before the rebase in case things go wrong.
git checkout -b "lkmc-${last_mainline_revision}"
git remote set-url origin git@github.com:cirosantilli/linux.git
git push
git checkout master
git remote add up git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
git fetch up
git rebase --onto "$next_mainline_revision" "$last_mainline_revision"
# And update the README to show off.
git commit -m "linux: update to ${next_mainline_revision}"
....
==== Sanity checks ==== Sanity checks
Basic C and C++ hello worlds: Basic C and C++ hello worlds: