Red Hat ENTERPRISE 5.4 RELEASE NOTES, Manual

Page: 149 / 466

RHSA-2009:1243
131
• Per stack component: current values of relevant measurements as throughput, utilization and
other applicable measurements.
• Statistical aggregations (minimum, maximum, averages and histogram) of data associated with I/
O requests including size, latency per component and totals.
• Support has been added to the kernel to issue EMC Symmetrix Control I/O. This update provides
the ability to manage EMC Symmetrix storage arrays with Red Hat Enterprise Linux on the IBM
System z platform. (
BZ#461288
940
)
• Hardware that supports the configuration topology facility passes the system CPU topology
information to the scheduler, allowing it to make load balancing decisions. On machines where I/O
interrupts are unevenly distributed, CPUs that are grouped together and get more I/O interrupts than
others will tend to have a higher average load, creating performance issues in some cases.
Previously, CPU topology support was enabled by default. With this update, CPU topology support
is disabled by default, and the kernel parameter "
topology=on
" has been added to allow this
feature to be enabled.(
BZ#475797
941
)
• This update provides new kernel code to implement a client and server for a
TTY
(teletype) terminal
server under z/VM using IUCV (Inter-User Communications Vehicle) as communication vehicle.
Also, as part of this update, the
hvc_console
has been upgraded. (
BZ#475551
942
)
• This update includes functionality that allows users to add new kernel options using the IPL
command without modifying the content of the CMS parmfile. The entire boot command line can be
replaced with the VM parameter string and new Linux Named Saved Systems (NSS) can also be
created on the CP/CMS command line. (
BZ#475530
943
)
• Crypto Device Driver use of Thin Interrupts (
BZ#474700
944
)
• This update adds a patch to configure shared kernel support via the
CONFIG_SHARED_KERNEL
parameter. (
BZ#506947
945
)
1.110.9.8. Miscellaneous Driver Updates
Details about driver updates.
• This release adds the final branding strings and the latest EagleLake graphics to the graphics driver
(predominantly for the G41 chipset). (
BZ#474513
946
)
• This release updates the ALSA HDA audio driver to enable or improve support for new chipsets and
HDA audio codecs. (
BZ#483594
947
)
• This update adds a new
EDAC
driver for Intel®
5000x
and
5400 MCH
processors. (
BZ#462895
948
)
• This release includes an updated version of the
SMBUS
(System Management Bus) driver that adds
support for the AMD
SB800
series of products and improves handling of
SB400
,
SB600
and
SB700
products. (
BZ#488746
949
)
• A new PCI ID has been added to this release to enable support for the Broadcom®
HT1100
chipset.
(
BZ#474240
950
)
• This kernel release incorporates a series of updates that add support for Chelsio® Communications'
Terminator 3 Ethernet adapters. These changes include support for XRC queues and updates of