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Re: [Xen-devel] conditional clearing of dom0_l2 in i386's zap_low_mappin
| To: | Jan Beulich <JBeulich@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] conditional clearing of dom0_l2 in i386's zap_low_mappings() ? |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Thu, 28 Oct 2010 16:30:34 +0100 |
| Cc: | |
| Delivery-date: | Thu, 28 Oct 2010 08:31:41 -0700 |
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| Thread-topic: | [Xen-devel] conditional clearing of dom0_l2 in i386's zap_low_mappings() ? |
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On 28/10/2010 15:50, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: > What is the reason for not unconditionally clearing the whole L2 > directory here? There shouldn't be anything in the first Gb that > wasn't placed there just temporarily by Xen... You mean the conditional within the for loop that clears dom0 l2 entries? If we zapped all of dom0's l2 entries, we'd also be zapping the entries legitimately just created by the dom0 builder! -- Keir > Thanks, Jan > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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