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xen-devel
Re: [Xen-devel] Questions about sh_prefetch and log_dirty
Thanks a lot.
Tim Deegan wrote:
At 14:08 +0100 on 24 Jun (1245852490), David Knight wrote:
Could it be possible that xen is in log_dirty_mode when a DomU is
immigrating into it ?
No; and if it were it wouldn't matter since the domain being migrated
into isn't running.
Cheers,
Tim.
I just want to make the faulted page and its following
pages writable and marked as dirty after a write_protect
page_fault. The function "sh_prebuild" is called in the
sh_page_fault() right before sh_prefetch():
---------------sh_page_fault()-----------------
if ( ( shadow_mode_log_dirty(v->domain) )
&& ( ft == ft_demand_write ) )
sh_prebuild(.......);
..............
I got problems when I migrate. The code can successfully
migrate the domainU to another UNMODIFIED Xen. But when I
migrate a domainU from UNMODIFIED Xen back to this MODIFIED
Xen, the domU's clock is frozen, I use "xm console" to get
in domU's console, but I just got about 6 TSC error messages
and no other respond.
I am using 32-bit PV domain, no-PSE.
Does someone know any reasons? Thanks.
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