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Changbin Du 4366d57af1 x86/build: Factor out fdimage/isoimage generation commands to standalone script
The build messages for fdimage/isoimage generation are pretty unstructured,
just the raw shell command blocks are printed.

Emit shortened messages similar to existing kbuild messages, and move
the Makefile commands into a separate shell script - which is much
easier to handle.

This patch factors out the commands used for fdimage/isoimage generation
from arch/x86/boot/Makefile to a new script arch/x86/boot/genimage.sh.
Then it adds the new kbuild command 'genimage' which invokes the new script.
All fdimages/isoimage files are now generated by a call to 'genimage' with
different parameters.

Now 'make isoimage' becomes:

	...
	Kernel: arch/x86/boot/bzImage is ready  (#30)
	  GENIMAGE arch/x86/boot/image.iso
	Size of boot image is 4 sectors -> No emulation
	 15.37% done, estimate finish Sun Nov  5 23:36:57 2017
	 30.68% done, estimate finish Sun Nov  5 23:36:57 2017
	 46.04% done, estimate finish Sun Nov  5 23:36:57 2017
	 61.35% done, estimate finish Sun Nov  5 23:36:57 2017
	 76.69% done, estimate finish Sun Nov  5 23:36:57 2017
	 92.00% done, estimate finish Sun Nov  5 23:36:57 2017
	Total translation table size: 2048
	Total rockridge attributes bytes: 659
	Total directory bytes: 0
	Path table size(bytes): 10
	Max brk space used 0
	32608 extents written (63 MB)
	Kernel: arch/x86/boot/image.iso is ready

Before:

	Kernel: arch/x86/boot/bzImage is ready  (#63)
	rm -rf arch/x86/boot/isoimage
	mkdir arch/x86/boot/isoimage
	for i in lib lib64 share end ; do \
		if [ -f /usr/$i/syslinux/isolinux.bin ] ; then \
			cp /usr/$i/syslinux/isolinux.bin arch/x86/boot/isoimage ; \
			if [ -f /usr/$i/syslinux/ldlinux.c32 ]; then \
				cp /usr/$i/syslinux/ldlinux.c32 arch/x86/boot/isoimage ; \
			fi ; \
			break ; \
		fi ; \
		if [ $i = end ] ; then exit 1 ; fi ; \
	done
	...

Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Changbin Du <changbin.du@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1509939179-7556-2-git-send-email-changbin.du@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-11-07 11:22:20 +01:00
arch x86/build: Factor out fdimage/isoimage generation commands to standalone script 2017-11-07 11:22:20 +01:00
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tools selftests/x86/ldt_get: Add a few additional tests for limits 2017-11-07 11:13:43 +01:00
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README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.