![]() | |||||||||||||
Messages in this thread |
> > > > As we know that CPU prefetch never cross the page boundary, in this > > That only applies to sequential prefetch. But speculative execution can > prefetch pretty much any address. That is why the clear_kernel_mapping is > needed. In BIOS setup, there's "Speculative TLB Reload". Is this "Speculative TLB Reload" the same as your mentioned speculative execution? After disabling "Speculative TLB Reload" in BIOS, we could also experience sync flood and reset when commenting out clear_kernel_mapping()...... Forrest - 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/ | ||||||||||||
| Last update: 2007-05-10 10:03 [from the cache] ©2003-2008 | |||||||||||||