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On Fri, 21 Mar 2008, David Miller wrote: > I would be very careful with this especially on IA64. > > If the TLB miss or other low-level trap handler depends upon being > able to dereference thread info, task struct, or kernel stack stuff > without causing a fault outside of the linear PAGE_OFFSET area, this > patch will cause problems. Hmmm. Does not sound good for arches that cannot handle TLB misses in hardware. I wonder how arch specific this is? Last time around I was told that some arches already virtually map their stacks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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