Linux 3.7 has been released on 10 Dec 2012.
This Linux release includes support for the ARM 64-bit architecture, ARM support to boot into different systems using the same kernel, signed kernel modules, Btrfs support for disabling copy-on-write on a per-file basis using chattr and faster fsync(), a new "perf trace" tool modeled after strace, support for the TCP Fast Open feature in the server side, experimental SMBv2 protocol support, stable NFS 4.1 and parallel NFS support, a new tunneling protocol that allows to transfer Layer 2 Ethernet packets over UDP, and support for the Intel "supervisor mode access prevention" (SMAP) security feature. Many small features and new drivers and fixes are also available.
- Prominent features in Linux 3.7
- ARM multi-platform support
- ARM 64-bit support
- Cryptographically-signed kernel modules
- Btrfs updates
- perf trace, an alternative to strace
- TCP Fast Open (server side)
- Experimental SMB 2 protocol support
- NFS v4.1 support no longer experimental
- Virtual extensible LAN tunneling protocol
- Intel "supervisor mode access prevention" support
- Driver and architecture-specific changes
- Various core changes
- Filesystems
- Block
- Crypto
- Security
- Perf
- Virtualization
- Networking
- Other news sites that track the changes of this release
For more info -
Kernel Hacking
Source-
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