Displaying 2 results from an estimated 2 matches for "vhpet".
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hpet
2009 Feb 09
4
Align periodic vpts to reduce timer interrupts and save power
Hi,
After c/s 18694 changed vHPET to vpt, for single HVM RHEL 5u1 guest idle case, our box will consume ~0.8W more power than before. The reason is two periodical vpts'' expires are hard to be aligned in the 50us soft timer SLOP. So we are considering a vpt specific enhancement which could try to just align periodical timer...
2018 Oct 11
2
xen_4.11.1~pre.20180911.5acdd26fdc+dfsg-2_multi.changes ACCEPTED into unstable, unstable
...pervisor against 64-bit PV guests.
- Fix: Information leak via crafted user-supplied CDROM
XSA-258 CVE-2018-10472
- Fix: x86: PV guest may crash Xen with XPTI
XSA-259 CVE-2018-10471
- Fix: x86: mishandling of debug exceptions
XSA-260 CVE-2018-8897
- Fix: x86 vHPET interrupt injection errors
XSA-261 CVE-2018-10982
- Fix: qemu may drive Xen into unbounded loop
XSA-262 CVE-2018-10981
- Fix: Speculative Store Bypass
XSA-263 CVE-2018-3639
- Fix: preemption checks bypassed in x86 PV MM handling
XSA-264 CVE-2018-12891...