(resending as plaintext) > During early init, we would incorrectly set the NX bit even if the NX > feature was not supported. Instead, only set this bit if NX is > actually available and enabled. We already do very early detection of > the NX bit to enable it in EFER, this simply extends this detection to > the early page table mask. AFAIK the only production x86-64 processor that don't support NX that I know of is the original Nocona D0 stepping. Must more common are the problem of BIOSes disabling the NX feature.
Yuhong Bao -- 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/
