Commit 3773b454 authored by Michael Witten's avatar Michael Witten Committed by Jiri Kosina

README: Remove sporadic tabs

Indentation was already done mainly with spaces, so this commit
removes the tabs and makes some of the whitespace more consistent.
Signed-off-by: default avatarMichael Witten <mfwitten@gmail.com>
Acked-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 7f65e924
Linux kernel release 3.x <http://kernel.org/> Linux kernel release 3.x <http://kernel.org/>
These are the release notes for Linux version 3. Read them carefully, These are the release notes for Linux version 3. Read them carefully,
as they tell you what this is all about, explain how to install the as they tell you what this is all about, explain how to install the
...@@ -62,11 +62,11 @@ INSTALLING the kernel source: ...@@ -62,11 +62,11 @@ INSTALLING the kernel source:
directory where you have permissions (eg. your home directory) and directory where you have permissions (eg. your home directory) and
unpack it: unpack it:
gzip -cd linux-3.X.tar.gz | tar xvf - gzip -cd linux-3.X.tar.gz | tar xvf -
or or
bzip2 -dc linux-3.X.tar.bz2 | tar xvf - bzip2 -dc linux-3.X.tar.bz2 | tar xvf -
Replace "X" with the version number of the latest kernel. Replace "X" with the version number of the latest kernel.
...@@ -80,11 +80,11 @@ INSTALLING the kernel source: ...@@ -80,11 +80,11 @@ INSTALLING the kernel source:
install by patching, get all the newer patch files, enter the install by patching, get all the newer patch files, enter the
top level directory of the kernel source (linux-3.X) and execute: top level directory of the kernel source (linux-3.X) and execute:
gzip -cd ../patch-3.x.gz | patch -p1 gzip -cd ../patch-3.x.gz | patch -p1
or or
bzip2 -dc ../patch-3.x.bz2 | patch -p1 bzip2 -dc ../patch-3.x.bz2 | patch -p1
Replace "x" for all versions bigger than the version "X" of your current Replace "x" for all versions bigger than the version "X" of your current
source tree, _in_order_, and you should be ok. You may want to remove source tree, _in_order_, and you should be ok. You may want to remove
...@@ -105,7 +105,7 @@ INSTALLING the kernel source: ...@@ -105,7 +105,7 @@ INSTALLING the kernel source:
process. It determines the current kernel version and applies any process. It determines the current kernel version and applies any
patches found. patches found.
linux/scripts/patch-kernel linux linux/scripts/patch-kernel linux
The first argument in the command above is the location of the The first argument in the command above is the location of the
kernel source. Patches are applied from the current directory, but kernel source. Patches are applied from the current directory, but
...@@ -113,8 +113,8 @@ INSTALLING the kernel source: ...@@ -113,8 +113,8 @@ INSTALLING the kernel source:
- Make sure you have no stale .o files and dependencies lying around: - Make sure you have no stale .o files and dependencies lying around:
cd linux cd linux
make mrproper make mrproper
You should now have the sources correctly installed. You should now have the sources correctly installed.
...@@ -137,8 +137,8 @@ BUILD directory for the kernel: ...@@ -137,8 +137,8 @@ BUILD directory for the kernel:
place for the output files (including .config). place for the output files (including .config).
Example: Example:
kernel source code: /usr/src/linux-3.X kernel source code: /usr/src/linux-3.X
build directory: /home/name/build/kernel build directory: /home/name/build/kernel
To configure and build the kernel, use: To configure and build the kernel, use:
...@@ -161,76 +161,76 @@ CONFIGURING the kernel: ...@@ -161,76 +161,76 @@ CONFIGURING the kernel:
- Alternative configuration commands are: - Alternative configuration commands are:
"make config" Plain text interface. "make config" Plain text interface.
"make menuconfig" Text based color menus, radiolists & dialogs. "make menuconfig" Text based color menus, radiolists & dialogs.
"make nconfig" Enhanced text based color menus. "make nconfig" Enhanced text based color menus.
"make xconfig" X windows (Qt) based configuration tool. "make xconfig" X windows (Qt) based configuration tool.
"make gconfig" X windows (Gtk) based configuration tool. "make gconfig" X windows (Gtk) based configuration tool.
"make oldconfig" Default all questions based on the contents of "make oldconfig" Default all questions based on the contents of
your existing ./.config file and asking about your existing ./.config file and asking about
new config symbols. new config symbols.
"make silentoldconfig" "make silentoldconfig"
Like above, but avoids cluttering the screen Like above, but avoids cluttering the screen
with questions already answered. with questions already answered.
Additionally updates the dependencies. Additionally updates the dependencies.
"make defconfig" Create a ./.config file by using the default "make defconfig" Create a ./.config file by using the default
symbol values from either arch/$ARCH/defconfig symbol values from either arch/$ARCH/defconfig
or arch/$ARCH/configs/${PLATFORM}_defconfig, or arch/$ARCH/configs/${PLATFORM}_defconfig,
depending on the architecture. depending on the architecture.
"make ${PLATFORM}_defconfig" "make ${PLATFORM}_defconfig"
Create a ./.config file by using the default Create a ./.config file by using the default
symbol values from symbol values from
arch/$ARCH/configs/${PLATFORM}_defconfig. arch/$ARCH/configs/${PLATFORM}_defconfig.
Use "make help" to get a list of all available Use "make help" to get a list of all available
platforms of your architecture. platforms of your architecture.
"make allyesconfig" "make allyesconfig"
Create a ./.config file by setting symbol Create a ./.config file by setting symbol
values to 'y' as much as possible. values to 'y' as much as possible.
"make allmodconfig" "make allmodconfig"
Create a ./.config file by setting symbol Create a ./.config file by setting symbol
values to 'm' as much as possible. values to 'm' as much as possible.
"make allnoconfig" Create a ./.config file by setting symbol "make allnoconfig" Create a ./.config file by setting symbol
values to 'n' as much as possible. values to 'n' as much as possible.
"make randconfig" Create a ./.config file by setting symbol "make randconfig" Create a ./.config file by setting symbol
values to random values. values to random values.
You can find more information on using the Linux kernel config tools You can find more information on using the Linux kernel config tools
in Documentation/kbuild/kconfig.txt. in Documentation/kbuild/kconfig.txt.
NOTES on "make config": - NOTES on "make config":
- Having unnecessary drivers will make the kernel bigger, and can - Having unnecessary drivers will make the kernel bigger, and can
under some circumstances lead to problems: probing for a under some circumstances lead to problems: probing for a
nonexistent controller card may confuse your other controllers nonexistent controller card may confuse your other controllers
- Compiling the kernel with "Processor type" set higher than 386 - Compiling the kernel with "Processor type" set higher than 386
will result in a kernel that does NOT work on a 386. The will result in a kernel that does NOT work on a 386. The
kernel will detect this on bootup, and give up. kernel will detect this on bootup, and give up.
- A kernel with math-emulation compiled in will still use the - A kernel with math-emulation compiled in will still use the
coprocessor if one is present: the math emulation will just coprocessor if one is present: the math emulation will just
never get used in that case. The kernel will be slightly larger, never get used in that case. The kernel will be slightly larger,
but will work on different machines regardless of whether they but will work on different machines regardless of whether they
have a math coprocessor or not. have a math coprocessor or not.
- The "kernel hacking" configuration details usually result in a - The "kernel hacking" configuration details usually result in a
bigger or slower kernel (or both), and can even make the kernel bigger or slower kernel (or both), and can even make the kernel
less stable by configuring some routines to actively try to less stable by configuring some routines to actively try to
break bad code to find kernel problems (kmalloc()). Thus you break bad code to find kernel problems (kmalloc()). Thus you
should probably answer 'n' to the questions for should probably answer 'n' to the questions for "development",
"development", "experimental", or "debugging" features. "experimental", or "debugging" features.
COMPILING the kernel: COMPILING the kernel:
...@@ -257,7 +257,7 @@ COMPILING the kernel: ...@@ -257,7 +257,7 @@ COMPILING the kernel:
For this, use "verbose" build mode. This is done by inserting For this, use "verbose" build mode. This is done by inserting
"V=1" in the "make" command. E.g.: "V=1" in the "make" command. E.g.:
make V=1 all make V=1 all
To have the build system also tell the reason for the rebuild of each To have the build system also tell the reason for the rebuild of each
target, use "V=2". The default is "V=0". target, use "V=2". The default is "V=0".
...@@ -320,14 +320,14 @@ IF SOMETHING GOES WRONG: ...@@ -320,14 +320,14 @@ IF SOMETHING GOES WRONG:
- If the bug results in a message like - If the bug results in a message like
unable to handle kernel paging request at address C0000010 unable to handle kernel paging request at address C0000010
Oops: 0002 Oops: 0002
EIP: 0010:XXXXXXXX EIP: 0010:XXXXXXXX
eax: xxxxxxxx ebx: xxxxxxxx ecx: xxxxxxxx edx: xxxxxxxx eax: xxxxxxxx ebx: xxxxxxxx ecx: xxxxxxxx edx: xxxxxxxx
esi: xxxxxxxx edi: xxxxxxxx ebp: xxxxxxxx esi: xxxxxxxx edi: xxxxxxxx ebp: xxxxxxxx
ds: xxxx es: xxxx fs: xxxx gs: xxxx ds: xxxx es: xxxx fs: xxxx gs: xxxx
Pid: xx, process nr: xx Pid: xx, process nr: xx
xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx
or similar kernel debugging information on your screen or in your or similar kernel debugging information on your screen or in your
system log, please duplicate it *exactly*. The dump may look system log, please duplicate it *exactly*. The dump may look
...@@ -356,7 +356,7 @@ IF SOMETHING GOES WRONG: ...@@ -356,7 +356,7 @@ IF SOMETHING GOES WRONG:
the file 'linux/vmlinux'. To extract the namelist and match it against the file 'linux/vmlinux'. To extract the namelist and match it against
the EIP from the kernel crash, do: the EIP from the kernel crash, do:
nm vmlinux | sort | less nm vmlinux | sort | less
This will give you a list of kernel addresses sorted in ascending This will give you a list of kernel addresses sorted in ascending
order, from which it is simple to find the function that contains the order, from which it is simple to find the function that contains the
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