On Wed, 2013-11-27 at 12:04 +0100, Christophe Leroy wrote: > Today, the only way to load kernels whose size is greater than 8Mbytes is to > activate CONFIG_PIN_TLB. Otherwise, the physical memory initially mapped is > limited to 8Mbytes. This patch sets up 24 Mbytes of initial memory regardless > of whether CONFIG_PIN_TLB is active or not. It allows to load "big" kernels > (for instance when activating CONFIG_LOCKDEP_SUPPORT) without having > to activate CONFIG_PIN_TLB.
So, what happens on boards with less than 24M memory present? Even if you avoid explicitly referencing those addresses, what if there is a speculative access -- or does 8xx not do that? -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
