On 12/15/2012 03:15 PM, Yinghai Lu wrote:
That is for the kernel region itself (that code is actually unchanged from the current code), and yes, we could cap that one to _end if there are systems which have bugs in that area. The dynamic page tables map 1G aligned at a time.dynamic should be 2M too. AMD system: http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commitdiff;h=66520ebc2df3fe52eb4792f8101fac573b766baf BIOS-e820: [mem 0x0000000100000000-0x000000e037ffffff] usable BIOS-e820: [mem 0x000000e038000000-0x000000fcffffffff] reserved BIOS-e820: [mem 0x0000010000000000-0x0000011ffeffffff] usable the hole is not 1G aligned. or HT region is from e040000000 ?
The HT region starts at 0xfd00000000 -- after that reserved region, so I have no idea what that particular system is trying to do or what is requirements are (nor what its MTRR setup is, since you didn't post it.)
-hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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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