
14
System z kernel features – z/VM
•
z/VM Unit-record device driver (kernel 2.6.23)
•
This is a character device to access the virtual (punched card) reader that is
available under VM and allows an ipl from the reader.
•
Linux support for z/VM DIAG 2FC (eWLM) (kernel 2.6.21)
•
Expand the Hypfs functionality to expose Linux image velocity data that z/VM
exposes through a DIAG 2FC call. EWLM will use the hypfs data for velocity
management.
•
KERNEL NSS (kernel 2.6.21)
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Allows to save a kernel image in a shared memory area called Named Saved
Segment (NSS) and IPL from it.
•
Extra kernel parameter via VMPARM (> kernel 2.6.26)
•
Modify the IPL records to append extra parameters specified wit the z/VM
VMPARM option to the kernel command line.
10.2
5.2
10.2
5.2
10.2
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