On Sun 28 May 2023 16:15:02 GMT, Masahiro Yamada wrote: > On Thu, May 25, 2023 at 5:13 AM Nicolas Schier <nicolas@xxxxxxxxx> > wrote: > > > > On Sun 21 May 2023 22:23:36 GMT, Masahiro Yamada wrote: > > > tar is used to build the kernel with CONFIG_IKHEADERS. > > > > > > GNU tar 1.28 or later is required. > > > > > > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> > > > --- > > > > > > Documentation/process/changes.rst | 7 +++++++ > > > 1 file changed, 7 insertions(+) > > > > > > diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst > > > index a9ef00509c9b..3c0074214d75 100644 > > > --- a/Documentation/process/changes.rst > > > +++ b/Documentation/process/changes.rst > > > @@ -60,6 +60,7 @@ openssl & libcrypto 1.0.0 openssl version > > > bc 1.06.95 bc --version > > > Sphinx\ [#f1]_ 1.7 sphinx-build --version > > > cpio any cpio --version > > > +GNU tar 1.28 tar --version > > > gtags (optional) 6.6.5 gtags --version > > > ====================== =============== ======================================== > > > > > > @@ -175,6 +176,12 @@ You will need openssl to build kernels 3.7 and higher if module signing is > > > enabled. You will also need openssl development packages to build kernels 4.3 > > > and higher. > > > > > > +Tar > > > +--- > > > + > > > +GNU tar is needed if you want to enable access to the kernel headers via sysfs > > > +(CONFIG_IKHEADERS). > > > > CONFIG_IKHEADERS does also require 'xz' (cp. kernel/gen_kheaders.sh), > > should it be mentioned in changes.rst as well? > > > It is true, bue 'xz' is required in other situations too. > > For example, > CONFIG_KERNEL_XZ > CONFIG_MODULE_COMPRESS_XZ > CONFIG_INITRAMFS_COMPRESSION_XZ > > > If we document the requirement for 'xz', > we need to document the requirement for > 'gzip', 'zstd', 'lzma', etc. for the same reason. > > So, I want to go only with 'tar' in this series. yes, sounds reasonable. Kind regards, Nicolas
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