With the release of 2.6.21-rc1, the merge window for this kernel
development cycle is now closed. Most of the major 2.6.21 changes were
covered here last week
, but a
number of significant changes did get into the mainline between then and
the closing of the window. They are:
- The VMI virtualization
interface has been merged. VMI is a generic hypervisor interface;
it is (now) built on top of paravirt_ops and provides a higher level
- The clocksource and dynamic tick patches have been merged.
- Various improvements to the kernel's support for Sony laptops.
- The deprecated ACPI "hotkey" driver has been removed.
- Version 1 of the JFFS filesystem has been removed.
- The audit subsystem has a "lockdown" mode where further configuration
changes cannot be made.
- A simple driver allowing Blackberry devices to be charged from a Linux
system's USB port has been merged.
- A big ARM update has been merged with oprofile support for ARMv6
processors, kexec() support, support for a number of new
board and processor variants, and more.
- The v9fs (Plan 9) filesystem has seen a number of improvements, mostly
in the form of better caching.
- The SYSV shared memory code has been reworked for more sane internal
file usage and easier integration into the ongoing containers /
- A driver for the Silicon Motion SM501 "multimedia companion" chip has
Now the stabilization period begins, with the final 2.6.21 due somewhere
approximately around the beginning of May.
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