ab4aa0bb | 16-Jul-2021 |
Matthew Dillon <dillon@apollo.backplane.com> |
kernel - Improve invltlb latency warnings
* Improve kprintf()s for smp_invltlb latency warnings. Make it abundantly clear that these are mostly WARNING messages, not fatal messages.
* Tested o
kernel - Improve invltlb latency warnings
* Improve kprintf()s for smp_invltlb latency warnings. Make it abundantly clear that these are mostly WARNING messages, not fatal messages.
* Tested on VM with host under load and VM running nice +5.
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2d20c15f | 16-Jul-2021 |
Matthew Dillon <dillon@apollo.backplane.com> |
kernel - Use higher invltlb synchronization timeout if guest
* Increase the invltlb synchronization timeout from 10 seconds to 60 seconds if running as a guest. Just in case the host is heavily
kernel - Use higher invltlb synchronization timeout if guest
* Increase the invltlb synchronization timeout from 10 seconds to 60 seconds if running as a guest. Just in case the host is heavily paging the guest, 10 seconds might not be enough.
Of course, performance will be absolutely terrible if broadcast IPIs take that long to synchronize, but there isn't anything the guest can do about it.
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