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adventos
2011 Sep 23
17
dmidecode doesn't work under xen 4.1.1 on certain hardware
I have a xen 4.1.1 with a 3.0.4 linux kernel running on a Supermicro
Supermicro X8DTL-iF motherboard with 16GB of RAM.
If I run the 3.0.4 kernel on the bare metal dmidecode works fine. If I
run it under xen dmidecode fails to work. On other systems with
different hardware but identical software dmidecode works correctly
under xen. On this hardware with xen 3.4.1 & linux 2.6.18, dmidecode
2012 Sep 19
27
[PATCH] Persistent grant maps for xen blk drivers
This patch implements persistent grants for the xen-blk{front,back}
mechanism. The effect of this change is to reduce the number of unmap
operations performed, since they cause a (costly) TLB shootdown. This
allows the I/O performance to scale better when a large number of VMs
are performing I/O.
Previously, the blkfront driver was supplied a bvec[] from the request
queue. This was granted to