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2009-09-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-nextLinus Torvalds2-1/+3
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next: (30 commits) Use macros for .data.page_aligned section. Use macros for .bss.page_aligned section. Use new __init_task_data macro in arch init_task.c files. kbuild: Don't define ALIGN and ENTRY when preprocessing linker scripts. arm, cris, mips, sparc, powerpc, um, xtensa: fix build with bash 4.0 kbuild: add static to prototypes kbuild: fail build if recordmcount.pl fails kbuild: set -fconserve-stack option for gcc 4.5 kbuild: echo the record_mcount command gconfig: disable "typeahead find" search in treeviews kbuild: fix cc1 options check to ensure we do not use -fPIC when compiling checkincludes.pl: add option to remove duplicates in place markup_oops: use modinfo to avoid confusion with underscored module names checkincludes.pl: provide usage helper checkincludes.pl: close file as soon as we're done with it ctags: usability fix kernel hacking: move STRIP_ASM_SYMS from General gitignore usr/initramfs_data.cpio.bz2 and usr/initramfs_data.cpio.lzma kbuild: Check if linker supports the -X option kbuild: introduce ld-option ... Fix trivial conflict in scripts/basic/fixdep.c
2009-09-23Fix all -Wmissing-prototypes warnings in x86 defconfigTrevor Keith1-1/+1
Signed-off-by: Trevor Keith <tsrk@tsrk.net> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-20gitignore usr/initramfs_data.cpio.bz2 and usr/initramfs_data.cpio.lzmaJaswinder Singh Rajput1-0/+2
usr/initramfs_data.cpio.bz2 and usr/initramfs_data.cpio.lzma are binary files should be ignored Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-09-20kbuild: correct initramfs compression commentRobert P. J. Day1-1/+1
Fix the Makefile comment since bzip2 is now supported. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-03-31bzip2/lzma: quiet Kconfig warning for INITRAMFS_COMPRESSION_NONEH. Peter Anvin2-17/+1
Impact: quiet Kconfig warning It appears that Kconfig simply has no way to provide defaults for entries that exist inside a conditionalized choice block. Fortunately, it turns out we don't actually ever use CONFIG_INITRAMFS_COMPRESSION_NONE, so we can just drop it for everything outside the choice block. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-28bzip2/lzma: don't ask for compression mode for the default initramfsH. Peter Anvin1-10/+22
Impact: Kconfig noise reduction, documentation The default initramfs is so small that it makes no sense to worry about the additional memory taken by not double-compressing it. Therefore, don't bug the user with it. Also, improve the description of the option, which was downright incorrect. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-28bzip2/lzma: consistently capitalize LZMA in KconfigH. Peter Anvin1-3/+3
Impact: message formatting Consistently spell LZMA in all capitals, since it (unlike gzip or bzip2) is an acronym. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-28bzip2/lzma: clarify the meaning of the CONFIG_RD_ optionsH. Peter Anvin1-3/+3
Impact: Kconfig clarification Make it clear that the CONFIG_RD_* options are about what formats are supported, not about what formats are actually being used. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-28bzip2/lzma: move CONFIG_RD_* options under CONFIG_EMBEDDEDH. Peter Anvin1-8/+8
Impact: reduce Kconfig noise Move the options that control possible initramfs/initrd compressions underneath CONFIG_EMBEDDED. The only impact of leaving these options set to y is additional code in the init section of the kernel; there is no reason to burden non-embedded users with these options. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-02-19bzip2/lzma: make internal initramfs compression configurableAlain Knaff2-12/+68
Impact: Avoids silent environment dependency Make builtin initramfs compression an explicit configurable. The previous version would pick a compression based on the binaries which were installed on the system, which could lead to unexpected results. It is now explicitly configured, and not having the appropriate binaries installed on the build host is simply an error. Signed-off-by: Alain Knaff <alain@knaff.lu> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2009-01-07bzip2/lzma: fix built-in initramfs vs CONFIG_RD_GZIPAlain Knaff5-13/+118
Impact: Resolves build failures in some configurations Makes it possible to disable CONFIG_RD_GZIP . In that case, the built-in initramfs will be compressed by whatever compressor is available (bzip2 or lzma) or left uncompressed if none is available. It also removes a couple of warnings which occur when no ramdisk compression at all is chosen. It also restores the select ZLIB_INFLATE in drivers/block/Kconfig which somehow came missing. This is needed to activate compilation of the stuff in zlib_deflate. Signed-off-by: Alain Knaff <alain@knaff.lu> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-01-07bzip2/lzma: move initrd/ramfs options out of BLK_DEVH. Peter Anvin1-0/+27
Impact: Partial resolution of build failure Move the initrd/initramfs configuration options from drivers/block/Kconfig to usr/Kconfig, since they do not and should not depend on CONFIG_BLK_DEV. This fixes builds when CONFIG_BLK_DEV=n. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-12-03kbuild: gen_init_cpio expands shell variables in file namesSally, Gene1-1/+27
Modify gen_init_cpio so that lines that specify files can contain what looks like a shell variable that's expanded during processing. For example: file /sbin/kinit ${RFS_BASE}/usr/src/klibc/kinit/kinit 0755 0 0 given RFS_BASE is "/some/directory" in the environment would be expanded to file /sbin/kinit /some/directory/usr/src/klibc/kinit/kinit 0755 0 0 If several environment variables appear in a line, they are all expanded with processing happening from left to right. Undefined variables expand to a null string. Syntax errors stop processing, letting the existing error handling show the user offending line. This patch helps embedded folks who frequently create several RFS directories and then switch between them as they're tuning an initramfs. Signed-off-by: gene.sally@timesys.com Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2007-07-16kbuild: add support for reading stdin with gen_init_cpioMike Frysinger1-1/+3
Treat an argument of "-" as meaning "read stdin for cpio files" so gen_init_cpio can be piped into. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2007-07-16.gitignore updateAlexey Dobriyan1-0/+1
headers_install by default puts headers into usr/include/ . They're auto-generated, so should be ignored. Same for *.orig, *.rej . Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-02usr/Kconfig: fix typoAlexander E. Patrakov1-1/+1
Signed-off-by: Alexander E. Patrakov Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2007-02-11[PATCH] usr/gen_init_cpio.c: support for hard linksLuciano Rocha1-36/+86
Extend usr/gen_init_cpio.c "file" entry, adding support for hard links. Previous format: file <name> <location> <mode> <uid> <gid> New format: file <name> <location> <mode> <uid> <gid> [<hard links>] The hard links specification is optional, keeping the previous behaviour. All hard links are defined sequentially in the resulting cpio and the file data is present only in the last link. This is the behaviour of GNU's cpio and is supported by the kernel initramfs extractor. Signed-off-by: Luciano Rocha <strange@nsk.no-ip.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-11[PATCH] disable init/initramfs.cJean-Paul Saman1-1/+1
The file init/initramfs.c is always compiled and linked in the kernel vmlinux even when BLK_DEV_RAM and BLK_DEV_INITRD are disabled and the system isn't using any form of an initramfs or initrd. In this situation the code is only used to unpack a (static) default initial rootfilesystem. The current init/initramfs.c code. usr/initramfs_data.o compiles to a size of ~15 kbytes. Disabling BLK_DEV_RAM and BLK_DEV_INTRD shrinks the kernel code size with ~60 Kbytes. This patch avoids compiling in the code and data for initramfs support if CONFIG_BLK_DEV_INITRD is not defined. Instead of the initramfs code and data it uses a small routine in init/noinitramfs.c to setup an initial static default environment for mounting a rootfilesystem later on in the kernel initialisation process. The new code is: 164 bytes of size. The patch is separated in two parts: 1) doesn't compile initramfs code when CONFIG_BLK_DEV_INITRD is not set 2) changing all plaforms vmlinux.lds.S files to not reserve an area of PAGE_SIZE when CONFIG_BLK_DEV_INITRD is not set. [deweerdt@free.fr: warning fix] Signed-off-by: Jean-Paul Saman <jean-paul.saman@nxp.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Frederik Deweerdt <frederik.deweerdt@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-11-25[PATCH] initramfs: handle more than one source dir or file listThomas Chou1-1/+1
Fix bug 7401. Handle more than one source dir or file list to the initramfs gen scripts. The Kconfig help for INITRAMFS_SOURCE claims that you can specify multiple space-separated sources in order to allow unprivileged users to build an image. There are two bugs in the current implementation that prevent this from working. First, we pass "file1 dir2" to the gen_initramfs_list.sh script, which it obviously can't open. Second, gen_initramfs_list.sh -l outputs multiple definitions for deps_initramfs -- one for each argument. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Cc: Sam Ravnborg <sam@ravnborg.org> Acked-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-25kbuild: consistently decide when to rebuild a targetSam Ravnborg1-0/+2
Consistently decide when to rebuild a target across all of if_changed, if_changed_dep, if_changed_rule. PHONY targets are now treated alike (ignored) for all targets While add it make Kbuild.include almost readable by factoring out a few bits to some common variables and reuse this in Makefile.build. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-08-07kbuild: do not try to build content of initramfsSam Ravnborg1-0/+3
When a file supplied via CONFIG_INITRAMFS pointed to a file for which kbuild had a rule to compile it (foo.c => foo.o) then kbuild would compile the file before adding the file to the initramfs. Teach make that files included in initramfs shall not be updated by adding an 'empty command'. (See "Using Empty Commands" in info make). Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-06-10kbuild: bugfix with initramfsNickolay1-2/+1
This patch fix double inclusion of ramfs-input. Signed-off-by: Nickolay Vinogradov <nickolay@protei.ru> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-04-19[PATCH] Fix potential NULL pointer deref in gen_init_cpioJesper Juhl1-1/+3
Fix potential NULL pointer deref in gen_init_cpio.c spotted by coverity checker. This fixes coverity bug #86 Without this patch we risk dereferencing a NULL `type' in the "if ('\n' == *type) {" line. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11kbuild: rebuild initramfs if content of initramfs changesSam Ravnborg1-54/+37
initramfs.cpio.gz being build in usr/ and included in the kernel was not rebuild when the included files changed. To fix this the following was done: - let gen_initramfs.sh generate a list of files and directories included in the initramfs - gen_initramfs generate the gzipped cpio archive so we could simplify the kbuild file (Makefile) - utilising the kbuild infrastructure so when uid/gid root mapping changes the initramfs will be rebuild With this change we have a much more robust initramfs generation. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-10-18Add some basic .gitignore filesLinus Torvalds1-0/+7
This still leaves driver and architecture-specific subdirectories alone, but gets rid of the bulk of the "generic" generated files that we should ignore. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-08-10kconfig: move initramfs options to General SetupSam Ravnborg1-0/+46
Move initramfs options from Device Drivers | Block Drivers to General Setup This is a more natural place for this option. Furthermore separate out intramfs options to usr/Kconfig Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-07-25kbuild: introduce Kbuild.includeSam Ravnborg1-1/+1
Kbuild.include is a placeholder for definitions originally present in both the top-level Makefile and scripts/Makefile.build. There were a slight difference in the filechk definition, so the most videly used version was kept and usr/Makefile was adopted for this syntax. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> ---
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds3-0/+607
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!