[PATCH] README: Update references to version 4

[Pranith Kumar <bobby.prani@gmail.com>]

Since we bumped the version to 4.0, let us update the references to match that in the
README file.

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
---
 README | 38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/README b/README
index a24ec89..dbe9c96 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
-        Linux kernel release 3.x <http://kernel.org/>
+        Linux kernel release 4.x <http://kernel.org/>
 
-These are the release notes for Linux version 3.  Read them carefully,
+These are the release notes for Linux version 4.  Read them carefully,
 as they tell you what this is all about, explain how to install the
 kernel, and what to do if something goes wrong. 
 
@@ -62,11 +62,11 @@ INSTALLING the kernel source:
    directory where you have permissions (eg. your home directory) and
    unpack it:
 
-     gzip -cd linux-3.X.tar.gz | tar xvf -
+     gzip -cd linux-4.X.tar.gz | tar xvf -
 
    or
 
-     bzip2 -dc linux-3.X.tar.bz2 | tar xvf -
+     bzip2 -dc linux-4.X.tar.bz2 | tar xvf -
 
    Replace "X" with the version number of the latest kernel.
 
@@ -75,16 +75,16 @@ INSTALLING the kernel source:
    files.  They should match the library, and not get messed up by
    whatever the kernel-du-jour happens to be.
 
- - You can also upgrade between 3.x releases by patching.  Patches are
+ - You can also upgrade between 4.x releases by patching.  Patches are
    distributed in the traditional gzip and the newer bzip2 format.  To
    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-4.X) and execute:
 
-     gzip -cd ../patch-3.x.gz | patch -p1
+     gzip -cd ../patch-4.x.gz | patch -p1
 
    or
 
-     bzip2 -dc ../patch-3.x.bz2 | patch -p1
+     bzip2 -dc ../patch-4.x.bz2 | patch -p1
 
    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
@@ -92,13 +92,13 @@ INSTALLING the kernel source:
    that there are no failed patches (some-file-name# or some-file-name.rej).
    If there are, either you or I have made a mistake.
 
-   Unlike patches for the 3.x kernels, patches for the 3.x.y kernels
+   Unlike patches for the 4.x kernels, patches for the 4.x.y kernels
    (also known as the -stable kernels) are not incremental but instead apply
-   directly to the base 3.x kernel.  For example, if your base kernel is 3.0
-   and you want to apply the 3.0.3 patch, you must not first apply the 3.0.1
-   and 3.0.2 patches. Similarly, if you are running kernel version 3.0.2 and
-   want to jump to 3.0.3, you must first reverse the 3.0.2 patch (that is,
-   patch -R) _before_ applying the 3.0.3 patch. You can read more on this in
+   directly to the base 4.x kernel.  For example, if your base kernel is 4.0
+   and you want to apply the 4.0.3 patch, you must not first apply the 4.0.1
+   and 4.0.2 patches. Similarly, if you are running kernel version 4.0.2 and
+   want to jump to 4.0.3, you must first reverse the 4.0.2 patch (that is,
+   patch -R) _before_ applying the 4.0.3 patch. You can read more on this in
    Documentation/applying-patches.txt
 
    Alternatively, the script patch-kernel can be used to automate this
@@ -120,7 +120,7 @@ INSTALLING the kernel source:
 
 SOFTWARE REQUIREMENTS
 
-   Compiling and running the 3.x kernels requires up-to-date
+   Compiling and running the 4.x kernels requires up-to-date
    versions of various software packages.  Consult
    Documentation/Changes for the minimum version numbers required
    and how to get updates for these packages.  Beware that using
@@ -137,12 +137,12 @@ BUILD directory for the kernel:
    place for the output files (including .config).
    Example:
 
-     kernel source code: /usr/src/linux-3.X
+     kernel source code: /usr/src/linux-4.X
      build directory:    /home/name/build/kernel
 
    To configure and build the kernel, use:
 
-     cd /usr/src/linux-3.X
+     cd /usr/src/linux-4.X
      make O=/home/name/build/kernel menuconfig
      make O=/home/name/build/kernel
      sudo make O=/home/name/build/kernel modules_install install
@@ -297,7 +297,7 @@ COMPILING the kernel:
    LOCALVERSION can be set in the "General Setup" menu.
 
  - In order to boot your new kernel, you'll need to copy the kernel
-   image (e.g. .../linux/arch/i386/boot/bzImage after compilation)
+   image (e.g. .../linux/arch/x86/boot/bzImage after compilation)
    to the place where your regular bootable kernel is found. 
 
  - Booting a kernel directly from a floppy without the assistance of a
@@ -399,7 +399,7 @@ IF SOMETHING GOES WRONG:
 
  - Alternatively, you can use gdb on a running kernel. (read-only; i.e. you
    cannot change values or set break points.) To do this, first compile the
-   kernel with -g; edit arch/i386/Makefile appropriately, then do a "make
+   kernel with -g; edit arch/x86/Makefile appropriately, then do a "make
    clean". You'll also need to enable CONFIG_PROC_FS (via "make config").
 
    After you've rebooted with the new kernel, do "gdb vmlinux /proc/kcore".
-- 
1.9.1