Re: [PATCH] kvm: Faults which trigger IO release the mmap_sem

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



2014-09-17 13:26+0300, Gleb Natapov:
> For async_pf_execute() you do not need to even retry. Next guest's page fault
> will retry it for you.

Wouldn't that be a waste of vmentries?

The guest might be able to handle interrupts while we are waiting, so if
we used async-io-done notifier, this could work without CPU spinning.
(Probably with added latency.)

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]