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kernel/linux-kernel-base: Fix kernel build artefact determinism issues

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With the 6.1 kernel we've seen reproducibility/determinism issues where the kernel
seems to rebuild headers referencing the hostname or local user. kernel-devsrc
building after the kernel seemed to trigger it in some cases.

Moving the definitions to the bbclass used by all the kernel recipe code including
kernel-devsrc seems to be the best way to ensure this doesn't happen.

(From OE-Core rev: 0fe1eaf485c2470a4578e19278cc60cf1406fe77)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 60681baa97daf4f3856453c34d6be08b6771a81b)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2023-01-26 17:57:51 +00:00
parent 74855e55af
commit 3384c7fb3f
2 changed files with 4 additions and 3 deletions
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3
meta/classes-recipe/kernel.bbclass
View File

@@ -210,9 +210,6 @@ PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-firmware-.*"
export OS = "${TARGET_OS}"
export CROSS_COMPILE = "${TARGET_PREFIX}"
export KBUILD_BUILD_VERSION = "1"
export KBUILD_BUILD_USER ?= "oe-user"
export KBUILD_BUILD_HOST ?= "oe-host"
KERNEL_RELEASE ?= "${KERNEL_VERSION}"

4
meta/classes-recipe/linux-kernel-base.bbclass
View File

@@ -43,5 +43,9 @@ def linux_module_packages(s, d):
suffix = ""
return " ".join(map(lambda s: "kernel-module-%s%s" % (s.lower().replace('_', '-').replace('@', '+'), suffix), s.split()))
export KBUILD_BUILD_VERSION = "1"
export KBUILD_BUILD_USER ?= "oe-user"
export KBUILD_BUILD_HOST ?= "oe-host"
# that's all