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* [PATCH] Documentation: kbuild: Add initramfs into reproducible builds document
@ 2020-10-12  9:35 jouni.hogander
  0 siblings, 0 replies; only message in thread
From: jouni.hogander @ 2020-10-12  9:35 UTC (permalink / raw)
  To: linux-doc; +Cc: linux-kbuild, corbet, masahiroy, dvyukov, Jouni Hogander

From: Jouni Hogander <>

Initramfs configuration has impact on build being reproducible

Signed-off-by: Jouni Hogander <>
 Documentation/kbuild/reproducible-builds.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/kbuild/reproducible-builds.rst b/Documentation/kbuild/reproducible-builds.rst
index 3b25655e441b..559700531a48 100644
--- a/Documentation/kbuild/reproducible-builds.rst
+++ b/Documentation/kbuild/reproducible-builds.rst
@@ -119,6 +119,14 @@ To avoid this, you can make the vDSO different for different
 kernel versions by including an arbitrary string of "salt" in it.
 This is specified by the Kconfig symbol ``CONFIG_BUILD_SALT``.
+Initial RAM Filesystem
+doesn't contain gzipped cpio archive, an initramfs is generated during
+build. To avoid this provide gzipped cpio archive via
 .. _KBUILD_BUILD_TIMESTAMP: kbuild.html#kbuild-build-timestamp
 .. _KBUILD_BUILD_USER and KBUILD_BUILD_HOST: kbuild.html#kbuild-build-user-kbuild-build-host
 .. _KCFLAGS: kbuild.html#kcflags

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2020-10-12  9:35 [PATCH] Documentation: kbuild: Add initramfs into reproducible builds document jouni.hogander

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