Linux 3.3 has not been released
Summary:
1. Prominent features in Linux 3.4
1.1. Feature
2. Driver and architecture-specific changes
All the driver and architecture-specific changes can be found in the [http://kernelnewbies.org/Linux_3.4_DriverArch Linux_3.4_DriverArch page]
3. Various core changes
4. Memory Management
5. File systems
6. Networking
New "plug" queuing discipline: allows userspace to plug/unplug a network output queue, using the netlink interface [http://git.kernel.org/linus/ (commit)]
Add missing getsockopt for SO_NOFCS. [http://git.kernel.org/linus/ (commit)]
Implement IP_UNICAST_IF/IPV6_UNICAST_IF socket options [http://git.kernel.org/linus/ (commit)], implement IPV6_UNICAST_IF socket option. [http://git.kernel.org/linus/ (commit)]
- Netfilter
Add timeout extension [http://git.kernel.org/linus/ (commit)], add cttimeout infrastructure for fine timeout [http://git.kernel.org/linus/ (commit)],
netfilter: ctnetlink: add NAT support for expectations [http://git.kernel.org/linus/ (commit)]
ipset: Exceptions support added to hash:*net* [http://git.kernel.org/linus/ (commit)]
Merge ipt_LOG and ip6_LOG into xt_LOG [http://git.kernel.org/linus/ (commit)]
- Bluetooth
Add support for HCI monitor channel [http://git.kernel.org/linus/ (commit)]
Implement Read Supported Commands commands for [http://git.kernel.org/linus/ (commit)]
Add support for Set SSP command [http://git.kernel.org/linus/ (commit)]
Implement Set LE command [http://git.kernel.org/linus/ (commit)]
7. Virtualization
hyperv: Add support for vlan trunking from guests [http://git.kernel.org/linus/ (commit)]
- KVM
Allow host IRQ sharing for assigned PCI 2.3 devices [http://git.kernel.org/linus/ (commit)]
Infrastructure for software and hardware based TSC rate [http://git.kernel.org/linus/ (commit)]
PPC: Paravirtualize SPRG4-7, ESR, PIR, MASn [http://git.kernel.org/linus/ (commit)], e500: MMU API [http://git.kernel.org/linus/ (commit)]
s390: add parameter for KVM_CREATE_VM [http://git.kernel.org/linus/ (commit)]
KVM: s390: ucontrol: disable in-kernel handling of SIE [http://git.kernel.org/linus/ (commit)] KVM: s390: ucontrol: disable in-kernel irq stack [http://git.kernel.org/linus/ (commit)] KVM: s390: ucontrol: disable sca [http://git.kernel.org/linus/ (commit)] KVM: s390: ucontrol: export SIE control block to user [http://git.kernel.org/linus/ (commit)] KVM: s390: ucontrol: export page faults to user [http://git.kernel.org/linus/ (commit)] KVM: s390: ucontrol: interface to inject faults on a vcpu [http://git.kernel.org/linus/ (commit)] KVM: s390: ucontrol: per vcpu address spaces [http://git.kernel.org/linus/ (commit)] KVM: x86: increase recommended max vcpus to 160 [http://git.kernel.org/linus/ (commit)]
8. Crypto
caam: add sha224 and sha384 variants to existing [http://git.kernel.org/linus/ (commit)]
camellia: add assembler implementation for x86_64 [http://git.kernel.org/linus/ (commit)]
Driver for Tegra AES hardware [http://git.kernel.org/linus/ (commit)]
crc32: add slice-by-8 algorithm to existing code [http://git.kernel.org/linus/ (commit)]
9. Security
add "file" details to securityfs [http://git.kernel.org/linus/ (commit)]
add initial "features" directory to securityfs [http://git.kernel.org/linus/ (commit)]
10. BLock
- Device Manager (DM):
thin: support discards [http://git.kernel.org/linus/ (commit)]
thin: support read only external snapshot origins [http://git.kernel.org/linus/ (commit)]