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SubjectRe: [PATCH 2.6.13-rc1 07/10] IOCHK interface for I/O error handling/detecting
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?


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