Re: [PATCH RFC] kvm: write protect memory after slot swap

From: Avi Kivity
Date: Mon Oct 25 2010 - 07:51:07 EST


On 10/25/2010 01:40 PM, Jan Kiszka wrote:
>
> Excellent catch, I stared at this code for a while and didn't see the
> bug. Patch applied.
>

BTW, while this was an annoying one for graphic emulation, wasn't it
potentially lethal for live migration?

Deadly. Yes autofs passed it happily.

We need a unit test that bangs on pages and the bitmap with tighter timing.

The issue looks like is was introduced with the switch to SRCU, so every
kernel since 2.6.34 should be affected, correct?

Yes.

--
error compiling committee.c: too many arguments to function

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