Re: [LFS Trac] #5785: Use kernel base+patch file

#5785: Use kernel base+patch file
-------------------------+-----------------------
 Reporter:  thomas       |       Owner:  lfs-book
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  12.5
Component:  Book         |     Version:  git
 Severity:  normal       |  Resolution:
 Keywords:               |
-------------------------+-----------------------
Comment (by thomas):

 no, you don't need all of them, just one as Xi already mentioned.  When
 starting with version 6.16 then you'll download `linux-6.16.tar.xz`.
 Whenever a new kernel version appears, you do not need the full tarball of
 lets say `linux-6.16.4.tar.xz` but just the `patch-6.16.4.xz`.

 What you will do is

 {{{
 tar -xf linux-6.16.tar.xz
 cd linux 6.16
 xzcat ../patch-6.16.4.xz | patch -Np1
 ...
 }}}
 So, this variant is going from the base version (6.16) to the actual
 version (6.16.4) in one step and this is what i'm talking about.

 If you want to have a proper source tree laying around, then you might use
 the __incremental__ patches which goes just one step ahead, lets say from
 6.16.3 to 6.16.4. Assuming you have a source tree of 6.16.3 (either by
 using linux-6.16.3.tar.xz or by linux-6.16.tar.xz+patch-6.16.3.xz), you
 can simply do a
 {{{
 cd linux-6.16
 xzcat ../patch-6.16.3-4.xz | patch -Np1
 ...
 }}}
 in the existing dir. It will then be on 6.16.4. With this, you can only
 move one patch level further. When u need to go from 6.16.4 to 6.16.6,
 you'll need the two __incremential__ patches 4-5 and the 5-6. But that is
 not what we do in the book, we're doing a "unpack-build-delete", we do not
 keep any source dir.
-- 
Ticket URL: <https://wiki.linuxfromscratch.org/lfs/ticket/5785#comment:9>
LFS Trac <https://wiki.linuxfromscratch.org/lfs/>
Linux From Scratch: Your Distro, Your Rules.

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