Messages in this thread | | | Date | Tue, 12 Jul 2005 16:14:01 -0500 | Subject | Re: [PATCH 2.6.13-rc1 07/10] IOCHK interface for I/O error handling/detecting | From | Linas Vepstas <> |
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On Wed, Jul 06, 2005 at 02:17:21PM +0900, Hidetoshi Seto was heard to remark: > > Touching poisoned data become a MCA, so now it directly means
Several questions:
Is MCA an exception or fault of some sort, so at some point, the kernel would catch a fault?
So when you say "Touching poisoned data become a MCA", you mean that if the CPU attempts to read poisoned data through the pci-to-host bridge, it will (at some point) catch an exception?
> + ia64_mca_barrier(ret);
I assume that the point of this barrier is to make sure that the fault, if any, is delivered before this routine returns?
--linas
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