Yes... But both apply. Yuhong Bao <yuhongbao_386@xxxxxxxxxxx> wrote: >(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 -- Sent from my mobile phone. Please excuse brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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