The Linux kernel
Go to file
Josh Boyer 471066eceb Linux 3.2-rc3. Gobble.
Try switching to using xz patches for rc and gitrev.
2011-11-24 08:47:36 -05:00
scripts Drop bit-rotted scripts 2011-10-31 16:13:17 -04:00
.gitignore Ignore all .xz and .bz2 files 2011-11-23 08:58:58 -05:00
acpi-ensure-thermal-limits-match-cpu-freq.patch Fixup acpi patch to select CPU_FREQ_TABLE so we don't get an undefined link 2011-08-30 10:23:12 -04:00
acpi-sony-nonvs-blacklist.patch Add another Sony laptop to the nonvs blacklist. (rhbz 641789) 2011-11-01 12:57:12 -04:00
arm-omap-dt-compat.patch update arm configs for 3.1 2011-08-16 12:56:09 -05:00
arm-smsc-support-reading-mac-address-from-device-tree.patch setup config for tegra based arm boards, add device tree 2011-08-16 11:33:15 -05:00
bcma-brcmsmac-compat.patch Remove overlap between bcma/b43 and brcmsmac and reenable bcm4331 2011-11-11 10:03:43 -05:00
block-stray-block-put-after-teardown.patch Add a few patches that were in f16 but not in rawhide 2011-08-16 10:31:40 -04:00
config-arm-generic Linux 3.2-rc1 2011-11-08 07:39:48 -05:00
config-arm-omap-generic remove dead option 2011-11-04 13:39:41 -04:00
config-arm-tegra Linux 3.1-git5 (upstream 43672a0784707) 2011-11-03 09:30:13 -04:00
config-debug Linux 3.1-git3. Happy Halloween. 2011-10-31 15:20:40 -04:00
config-generic Linux 3.2-rc2-git5 (upstream 6fe4c6d466e9) 2011-11-21 09:00:53 -05:00
config-i686-PAE Re-enable I2O, but only for 32-bit x86 (#629676) 2010-09-03 05:24:38 -04:00
config-local Add support for local rebuild config option overrides 2011-01-10 17:37:27 -05:00
config-nodebug Linux 3.1-git3. Happy Halloween. 2011-10-31 15:20:40 -04:00
config-powerpc32-generic Cleanup PowerPC configs 2011-10-27 15:15:12 -04:00
config-powerpc32-smp initial srpm import 2010-07-29 16:46:31 -07:00
config-powerpc64 Linux 3.1-git7 (upstream 31555213f) 2011-11-07 11:25:51 -05:00
config-powerpc-generic Disable btrfs for ppc (rhbz 747079) 2011-11-04 11:57:52 -04:00
config-s390x Linux 3.1-git1 (138c4ae9cfda upstream) 2011-10-26 21:03:18 -04:00
config-sparc64-generic Linux 3.1-git3. Happy Halloween. 2011-10-31 15:20:40 -04:00
config-x86_64-generic Linux 3.1-git7 (upstream 31555213f) 2011-11-07 11:25:51 -05:00
config-x86-32-generic Linux 3.1-git6 (upstream 1a67a573b8d) 2011-11-04 08:26:47 -04:00
config-x86-generic Linux 3.1-git6 (upstream 1a67a573b8d) 2011-11-04 08:26:47 -04:00
cpupower.config Create the kernel-tools package. WHEE 2011-08-17 21:19:57 -04:00
cpupower.service Create the kernel-tools package. WHEE 2011-08-17 21:19:57 -04:00
die-floppy-die.patch initial srpm import 2010-07-29 16:46:31 -07:00
disable-i8042-check-on-apple-mac.patch initial srpm import 2010-07-29 16:46:31 -07:00
dmar-disable-when-ricoh-multifunction.patch 3.0-git3 snapshot 2011-07-25 09:46:01 -04:00
drm-i915-sdvo-lvds-is-digital.patch drm/i915: Treat SDVO LVDS as digital when parsing EDID (#729882) 2011-10-13 10:49:31 -04:00
drm-intel-make-lvds-work.patch rebase and nuke patches 2011-05-30 07:23:14 -04:00
drm-intel-next.patch initial srpm import 2010-07-29 16:46:31 -07:00
efi-dont-map-boot-services-on-32bit.patch Add a few patches that were in f16 but not in rawhide 2011-08-16 10:31:40 -04:00
epoll-limit-paths.patch Linux 3.1-git1 (138c4ae9cfda upstream) 2011-10-26 21:03:18 -04:00
find-provides initial srpm import 2010-07-29 16:46:31 -07:00
fix_xen_guest_on_old_EC2.patch initial srpm import 2010-07-29 16:46:31 -07:00
floppy-Remove-_hlt-related-functions.patch Linux 3.1-git2 snapshot (upstream f362f98e7c) 2011-10-28 15:42:03 -04:00
genkey initial srpm import 2010-07-29 16:46:31 -07:00
git-linus.diff initial srpm import 2010-07-29 16:46:31 -07:00
kernel.spec Linux 3.2-rc3. Gobble. 2011-11-24 08:47:36 -05:00
linux-2.6-32bit-mmap-exec-randomization.patch Merge some improvements to the 32bit mmap randomisation from Kees Cook. 2011-09-19 16:44:51 -04:00
linux-2.6-acpi-debug-infinite-loop.patch update to snapshot 2.6.38-git19 2011-03-28 17:22:32 -04:00
linux-2.6-acpi-video-dos.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-compile-fixes.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-crash-driver.patch 3.0-git19 snapshot 2011-08-04 11:12:43 -04:00
linux-2.6-defaults-acpi-video.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-defaults-aspm.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-e1000-ich9-montevina.patch Linux 3.1-git1 (138c4ae9cfda upstream) 2011-10-26 21:03:18 -04:00
linux-2.6-i386-nx-emulation.patch Merge some improvements to the 32bit mmap randomisation from Kees Cook. 2011-09-19 16:44:51 -04:00
linux-2.6-input-kill-stupid-messages.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-intel-iommu-igfx.patch Linux 3.1-git1 (138c4ae9cfda upstream) 2011-10-26 21:03:18 -04:00
linux-2.6-makefile-after_link.patch Add s390 vdso AFTER_LINK to Roland's linux-2.6-makefile-after_link.patch 2010-09-23 12:15:30 -04:00
linux-2.6-serial-460800.patch update to 2.6.38-rc2 2011-01-22 13:34:11 -05:00
linux-2.6-silence-acpi-blacklist.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-silence-fbcon-logo.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-silence-noise.patch 3.0-git3 snapshot 2011-07-25 09:46:01 -04:00
linux-2.6-upstream-reverts.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-v4l-dvb-experimental.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-v4l-dvb-fixes.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6-v4l-dvb-update.patch initial srpm import 2010-07-29 16:46:31 -07:00
linux-2.6.30-no-pcspkr-modalias.patch Linux-3.1-rc1 2011-08-08 10:17:46 -04:00
Makefile Linux 3.1-git3. Happy Halloween. 2011-10-31 15:20:40 -04:00
Makefile.config Drop ia64. 2011-10-27 14:16:56 -04:00
Makefile.release Linux 3.1-git3. Happy Halloween. 2011-10-31 15:20:40 -04:00
merge.pl initial srpm import 2010-07-29 16:46:31 -07:00
nfsv4-include-bitmap-in-nfsv4_get_acl_data.patch Linux 3.2-rc1-git4 2011-11-14 09:55:52 -05:00
oom-fix-integer-overflow-of-points.patch Add patch to fix integer overflow of points in oom_badness (rhbz 750402) 2011-10-31 21:01:48 -04:00
pci-Rework-ASPM-disable-code.patch Add patch to rework ASPM handling from Matthew Garrett 2011-11-11 14:36:05 -05:00
quite-apm.patch Quite a warning in apm_cpu_idle (rhbz 753776) 2011-11-14 14:26:26 -05:00
README.txt Test commit to verify working email notifications to kernel team 2010-08-17 10:29:52 -05:00
revert-efi-rtclock.patch Revert "x86: Serialize EFI time accesses on rtc_lock" (rhbz 732755) 2011-08-30 11:49:37 -04:00
sources Linux 3.2-rc3. Gobble. 2011-11-24 08:47:36 -05:00
sysfs-msi-irq-per-device.patch sysfs: Add msi irq device enumeration (bz 744012) 2011-11-08 11:37:04 -05:00
taint-vbox.patch Taint if virtualbox modules have been loaded. 2011-10-06 18:39:09 -04:00
TODO Linux 3.2-rc2-git7 (upstream bbbc4791cd48ac1) 2011-11-22 09:36:34 -05:00
utrace.patch Update utrace patches from Oleg. 2011-11-21 15:42:09 -05:00

		Kernel package tips & tricks.
		~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The kernel is one of the more complicated packages in the distro, and
for the newcomer, some of the voodoo in the spec file can be somewhat scary.
This file attempts to document some of the magic.


Speeding up make prep
---------------------
The kernel is nearly 500MB of source code, and as such, 'make prep'
takes a while. The spec file employs some trickery so that repeated
invocations of make prep don't take as long.  Ordinarily the %prep
phase of a package will delete the tree it is about to untar/patch.
The kernel %prep keeps around an unpatched version of the tree,
and makes a symlink tree clone of that clean tree and than applies
the patches listed in the spec to the symlink tree.
This makes a huge difference if you're doing multiple make preps a day.
As an added bonus, doing a diff between the clean tree and the symlink
tree is slightly faster than it would be doing two proper copies of the tree.


build logs.
-----------
There's a convenience helper script in scripts/grab-logs.sh
that will grab the build logs from koji for the kernel version reported
by make verrel


config heirarchy.
-----------------
Instead of having to maintain a config file for every arch variant we build on,
the kernel spec uses a nested system of configs.  At the top level, is
config-generic. Add options here that should be present in every possible
config on all architectures.
Beneath this are per-arch overrides. For example config-x86-generic add
additional x86 specific options, and also _override_ any options that were
set in config-generic.
There exist two additional overrides, config-debug, and config-nodebug,
which override -generic, and the per-arch overrides. It is documented
further below.

debug options.
--------------
This is a little complicated, as the purpose & meaning of this changes
depending on where we are in the release cycle.
If we are building for a current stable release, 'make release' has
typically been run already, which sets up the following..
- Two builds occur, a 'kernel' and a 'kernel-debug' flavor.
- kernel-debug will get various heavyweight debugging options like
  lockdep etc turned on.

If we are building for rawhide, 'make debug' has been run, which changes
the status quo to:
- We only build one kernel 'kernel'
- The debug options from 'config-debug' are always turned on.
This is done to increase coverage testing, as not many people actually
run kernel-debug.

To add new debug options, add an option to _both_ config-debug and config-nodebug,
and also new stanzas to the Makefile 'debug' and 'release' targets.

Sometimes debug options get added to config-generic, or per-arch overrides
instead of config-[no]debug. In this instance, the options should have no
discernable performance impact, otherwise they belong in the debug files.