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RE: [Xen-ia64-devel] [PATCH] Reload KRs when domain switch
| To: | "Tian, Kevin" <kevin.tian@xxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-ia64-devel] [PATCH] Reload KRs when domain switch |
| From: | "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx> |
| Date: | Mon, 31 Oct 2005 20:13:25 -0800 |
| Delivery-date: | Tue, 01 Nov 2005 04:10:17 +0000 |
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| Thread-topic: | [Xen-ia64-devel] [PATCH] Reload KRs when domain switch |
Committed, but I moved things around a bit. (load_region_regs() didn't seem like a very good place to put loads of kernel regs.) > -----Original Message----- > From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx > [mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf > Of Tian, Kevin > Sent: Monday, October 31, 2005 6:55 PM > To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx > Subject: [Xen-ia64-devel] [PATCH] Reload KRs when domain switch > > Hi, Dan, > > This is next block which made dom0 in nested dtlb miss forever. The > reason is that KR is not reloaded after domain switch, and > thus invalid > KRs are used. Several TLB miss related handlers in guest depend on KR7 > to walk current page table. Then invalid KR value made everything > messed. > > Signed-off-by Kevin Tian <Kevin.tian@xxxxxxxxx> > > Thanks, > Kevin > _______________________________________________ Xen-ia64-devel mailing list Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-ia64-devel |
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