docs: update KernelTree versions and policy
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/doc/process/KernelTree.rst b/doc/process/KernelTree.rst
index 4a793ff..4ed0bdd 100644
--- a/doc/process/KernelTree.rst
+++ b/doc/process/KernelTree.rst
@@ -1,7 +1,7 @@
op-build Linux Kernel
=====================
-The skiroot/Petitboot kernel is currently based on the 4.19 series.
+The skiroot/Petitboot kernel is currently based on the 5.1 series.
Submitting a patch
------------------
@@ -13,7 +13,8 @@
2. Send a pull request or a ``git format-patch`` formatted patch series
to openpower-firmware@lists.ozlabs.org, and cc joel@jms.id.au. Be
sure to use ``--suppress-cc=sob`` when generating the patches so we
- don’t spam the community. The current tree is based on 4.15-stable.
+ don’t spam the community. The current tree is based on 5.1-stable
+ (although we will always move to the latest stable kernel ASAP).
Bug fixes
---------
@@ -58,6 +59,10 @@
This way we don’t have to clone an entire tree when doing an op-build
build.
+All patches are to head upstream *first*. There is a zero chance that
+op-build will carry kernel patches for any time greater than "until the
+next kernel release", and even then, only in *exceptional* circumstances.
+
Patches in the tree
-------------------