# Install packages
$ yum install git gcc ccache

# Clone KVM git tree
$ git clone git://git.kernel.org/pub/scm/virt/kvm/kvm.git kvm-for-3.10.1

# Cd into the directory
$ cd kvm-for-3.10.1

# Build a tar archive with latest HEAD (you can also specify tags, by getting info from 'git tag')
$ git archive --format=tar.gz HEAD  >git-kvm-3.10.1.tar.gz

# Copy the tar.gz into ~/rpmbuild/SOURCES
$ cp -r git-kvm-3.10.1.tar.gz ~/rpmbuild/SOURCES/
$ cd ~/rpmbuild/SOURCES/

# Now, fetch the SRPM for 3.10.0, replace the tar ball with the above one
$ wget http://kojipkgs.fedoraproject.org//packages/kernel/3.10.0/0.rc0.git21.1.fc20/src/kernel-3.10.0-0.rc0.git21.1.fc20.src.rpm

# Install the just downloaded SRPM
$ rpm -ivh kernel-3.10.0-0.rc0.git21.1.fc20.src.rpm 

#
$ mv linux-3.9.tar.xz /var/tmp

# Configure xz compression
$ git config tar.tar.xz.command "xz -c"

# Run the git archive again, but w/ xz compression, and a prefix
$ git archive --format=tar.xz --prefix=linux-3.10/ HEAD  >git-kvm-3.10.1.tar.xz


# In the SPEC file, change the
==========
...
# change by kashyap
%define base_sublevel 10
...
# change by kashyap
%define stable_update 1
...
==========

==========
$ cp git-kvm-3.10.1.tar.xz ~/rpmbuild/SOURCES/linux-3.10.tar.xz

$ cd ~/rpmbuild/SPECS/

$ rpmbuild -bp SPECS/kernel.spec
.
.
.
.
.
+ patch -p1 -F1 -s
1 out of 14 hunks FAILED -- saving rejects to file arch/x86/kernel/cpu/perf_event_intel.c.rej

1 out of 2 hunks FAILED -- saving rejects to file drivers/firmware/Kconfig.rej                                                                                                                           [760/1000]
Reversed (or previously applied) patch detected!  Assume -R? [n]  
Apply anyway? [n] 
1 out of 1 hunk ignored -- saving rejects to file drivers/firmware/efivars.c.rej
1 out of 10 hunks FAILED -- saving rejects to file drivers/gpio/gpio-pxa.c.rej
1 out of 36 hunks FAILED -- saving rejects to file drivers/media/dvb-frontends/mb86a20s.c.rej
1 out of 18 hunks FAILED -- saving rejects to file drivers/media/pci/cx25821/cx25821-video.c.rej
1 out of 14 hunks FAILED -- saving rejects to file drivers/net/bonding/bond_main.c.rej
1 out of 217 hunks FAILED -- saving rejects to file drivers/net/ethernet/intel/igb/igb_main.c.rej
1 out of 6 hunks FAILED -- saving rejects to file drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c.rej
6 out of 11 hunks FAILED -- saving rejects to file drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c.rej
1 out of 11 hunks FAILED -- saving rejects to file drivers/ssb/driver_chipcommon_pmu.c.rej
1 out of 14 hunks FAILED -- saving rejects to file drivers/tty/tty_io.c.rej
1 out of 3 hunks FAILED -- saving rejects to file drivers/video/fbmem.c.rej
1 out of 3 hunks FAILED -- saving rejects to file include/net/scm.h.rej
1 out of 7 hunks FAILED -- saving rejects to file net/batman-adv/main.c.rej
3 out of 10 hunks FAILED -- saving rejects to file net/batman-adv/routing.c.rej
1 out of 40 hunks FAILED -- saving rejects to file net/ipv4/tcp_input.c.rej
1 out of 9 hunks FAILED -- saving rejects to file net/netfilter/ipset/ip_set_bitmap_ipmac.c.rej
2 out of 63 hunks FAILED -- saving rejects to file net/openvswitch/datapath.c.rej
error: Bad exit status from /var/tmp/rpm-tmp.ZbCbfH (%prep)


RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.ZbCbfH (%prep)

==========
At this point, I think I'll have to wait for Linus to pull KVM updates for 3.10 merge window.
    - http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg428794.html


==========
# Other thoughts: Maybe get a proper config file, and build
$ rpm -ivh SRPMS/kernel-3.10.0-0.rc0.git21.1.fc20.src.rpm
$ rpmbuild -bp SPECS/kernel.spec 
==========