kernel news – 30.09.2013

Posted: September 30, 2013 in kernel

-Greg KH has char/misc fixes for -rc3, as well as driver core, TTY/serial and
USB fixes:

Here are some HyperV and MEI driver fixes for 3.12-rc3. They resolve some
issues that people have been reporting for them.
###############################################################
Here are 2 fixes for 3.12-rc3. One fixes a sysfs problem with mounting caused
by 3.12-rc1, and the other is a bug reported by the chromeos developers with
the driver core.
################################################################
Here are some serial at tty driver fixes for 3.12-rc3

The serial driver fixes some kref leaks, documentation is moved to the proper
places, and the tty and n_tty fixes resolve some reported regressions. There
is still one outstanding tty regression fix that isn’t in here yet, as I want
to test it out some more, it will be sent for 3.12-rc4 if it checks out.
################################################################
Here are a number of USB driver fixes for 3.12-rc3.

These are all for host controller issues that have been reported, and there’s a
fix for an annoying error message that gets printed every time you remove a USB
3 device from the system that’s been bugging me for a while.

-Linus Torvalds announces kernel 3.12-rc3:

I’m back to a Sunday release schedule, so here it is, rc3.

Nothing really special stands out. There’s a fair amount of churn in
mm, which is unusual at this point, but that’s all reverts: during the
merge window Andrew sent some changes that were still being discussed,
and we’re reverting them for now.

If you ignore the mm changes, the rest looks very normal: the bulk is
drivers (gpu, dm/bcache, usb, sound..), with the usual sprinkling of
architecture (powerpc, x86, arm, mips) and filesystem (udf, xfs,
reiserfs) changes. And some perf tooling.

And we had some performance-tweaking of the new lockref support for
ARM and s390.

On the whole, nothing really appears very scary. Go forth and test,

-There are ARC fixes for 3.12 as announced by Vineet Gupta:

* Handling unaligned access in zero delay loops
* spinlock livelock fix for SMP systemC model
* fixing 32bit overflow in access_ok
* better setup of clockevents

-Matt Fleming and EFI changes:

* Delete redundant interrupt descriptor table code in the EFI boot stub
and reposition the interrupt disable instruction to avoid a potential
triple fault – Bart Kuivenhoven

* Mark local function static to avoid sparse warnings – Bojan Prtvar

* EFI boot stub support for memory maps with more than 128 entries –
Linn Crosetto

* Move generic EFI code into drivers/firmware/efi/ in preparation for
the ARM EFI boot stub – Leif Lindholm

* Cleanups and extraction of code from the x86 EFI boot stub to
be shared with the ARM EFI boot stub – Roy Franz

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