From f9f97bc014d7402cd2d135e20bcd25dfec93257b Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Wed, 20 Jul 2005 05:43:05 +0200 Subject: [PATCH] kallsyms: clarify KALLSYMS_ALL help text Clarify the KALLSYMS_ALL help text slightly. Signed-off-by: Jesper Juhl --- init/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'init/Kconfig') diff --git a/init/Kconfig b/init/Kconfig index 75755ef50c89..abaaa7748dd1 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -260,8 +260,8 @@ config KALLSYMS_ALL help Normally kallsyms only contains the symbols of functions, for nicer OOPS messages. Some debuggers can use kallsyms for other - symbols too: say Y here to include all symbols, and you - don't care about adding 300k to the size of your kernel. + symbols too: say Y here to include all symbols, if you need them + and you don't care about adding 300k to the size of your kernel. Say N. -- cgit v1.2.3-70-g09d2 From dbec486632d2303f5c0e75af7a8473fa4c4a145a Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Wed, 10 Aug 2005 20:44:50 +0200 Subject: kconfig: move initramfs options to General Setup 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 --- drivers/block/Kconfig | 42 ------------------------------------------ init/Kconfig | 2 ++ usr/Kconfig | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 48 insertions(+), 42 deletions(-) create mode 100644 usr/Kconfig (limited to 'init/Kconfig') diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index b594768b0241..7cd7bf35d028 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -408,48 +408,6 @@ config BLK_DEV_INITRD "real" root file system, etc. See for details. -config INITRAMFS_SOURCE - string "Initramfs source file(s)" - default "" - help - This can be either a single cpio archive with a .cpio suffix or a - space-separated list of directories and files for building the - initramfs image. A cpio archive should contain a filesystem archive - to be used as an initramfs image. Directories should contain a - filesystem layout to be included in the initramfs image. Files - should contain entries according to the format described by the - "usr/gen_init_cpio" program in the kernel tree. - - When multiple directories and files are specified then the - initramfs image will be the aggregate of all of them. - - See Date: Sun, 31 Jul 2005 04:57:49 -0400 Subject: [PATCH] kbuild: automatically append a short string to the version based upon the git commit If CONFIG_AUTO_LOCALVERSION is set, the user is using a git-based tree, and the current HEAD is not referred to by any tags in .git/refs/tags/, append -g and the first 8 characters of the commit to the version string. This makes it easier to use git-bisect, and/or to do a daily build, without trampling on your older, working builds, or accidentally setting up conflicting sets of modules. Signed-off-by: Ryan Anderson Signed-off-by: Sam Ravnborg --- Makefile | 20 ++++++++++++++++++ init/Kconfig | 16 ++++++++++++++ scripts/setlocalversion | 56 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 92 insertions(+) create mode 100644 scripts/setlocalversion (limited to 'init/Kconfig') diff --git a/Makefile b/Makefile index d01b004a2a0e..c6aae86a02cd 100644 --- a/Makefile +++ b/Makefile @@ -548,6 +548,26 @@ export KBUILD_IMAGE ?= vmlinux # images. Default is /boot, but you can set it to other values export INSTALL_PATH ?= /boot +# If CONFIG_LOCALVERSION_AUTO is set, we automatically perform some tests +# and try to determine if the current source tree is a release tree, of any sort, +# or if is a pure development tree. +# +# A 'release tree' is any tree with a git TAG associated +# with it. The primary goal of this is to make it safe for a native +# git/CVS/SVN user to build a release tree (i.e, 2.6.9) and also to +# continue developing against the current Linus tree, without having the Linus +# tree overwrite the 2.6.9 tree when installed. +# +# Currently, only git is supported. +# Other SCMs can edit scripts/setlocalversion and add the appropriate +# checks as needed. + + +ifdef CONFIG_LOCALVERSION_AUTO + localversion-auto := $(shell $(PERL) $(srctree)/scripts/setlocalversion $(srctree)) + LOCALVERSION := $(LOCALVERSION)$(localversion-auto) +endif + # # INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory # relocations required by build roots. This is not defined in the diff --git a/init/Kconfig b/init/Kconfig index eb86972be1c2..f27fc48c1fdc 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -77,6 +77,22 @@ config LOCALVERSION object and source tree, in that order. Your total string can be a maximum of 64 characters. +config LOCALVERSION_AUTO + bool "Automatically append version information to the version string" + default y + help + This will try to automatically determine if the current tree is a + release tree by looking for git tags that + belong to the current top of tree revision. + + A string of the format -gxxxxxxxx will be added to the localversion + if a git based tree is found. The string generated by this will be + appended after any matching localversion* files, and after the value + set in CONFIG_LOCALVERSION + + Note: This requires Perl, and a git repository, but not necessarily + the git or cogito tools to be installed. + config SWAP bool "Support for paging of anonymous memory (swap)" depends on MMU diff --git a/scripts/setlocalversion b/scripts/setlocalversion new file mode 100644 index 000000000000..7c805c8fccd2 --- /dev/null +++ b/scripts/setlocalversion @@ -0,0 +1,56 @@ +#!/usr/bin/perl +# Copyright 2004 - Ryan Anderson GPL v2 + +use strict; +use warnings; +use Digest::MD5; +require 5.006; + +if (@ARGV != 1) { + print < +EOT + exit(1); +} + +my ($srctree) = @ARGV; +chdir($srctree); + +my @LOCALVERSIONS = (); + +# We are going to use the following commands to try and determine if this +# repository is at a Version boundary (i.e, 2.6.10 vs 2.6.10 + some patches) We +# currently assume that all meaningful version boundaries are marked by a tag. +# We don't care what the tag is, just that something exists. + +# Git/Cogito store the top-of-tree "commit" in .git/HEAD +# A list of known tags sits in .git/refs/tags/ +# +# The simple trick here is to just compare the two of these, and if we get a +# match, return nothing, otherwise, return a subset of the SHA-1 hash in +# .git/HEAD + +sub do_git_checks { + open(H,"<.git/HEAD") or return; + my $head = ; + chomp $head; + close(H); + + opendir(D,".git/refs/tags") or return; + foreach my $tagfile (grep !/^\.{1,2}$/, readdir(D)) { + open(F,"<.git/refs/tags/" . $tagfile) or return; + my $tag = ; + chomp $tag; + close(F); + return if ($tag eq $head); + } + closedir(D); + + push @LOCALVERSIONS, "g" . substr($head,0,8); +} + +if ( -d ".git") { + do_git_checks(); +} + +printf "-%s\n", join("-",@LOCALVERSIONS) if (scalar @LOCALVERSIONS > 0); -- cgit v1.2.3-70-g09d2