On 2015/2/4 6:40, Tony Luck wrote: >> Can't post this part yet because it uses things in an upcoming[*] ACPI, >> UEFI, or some >> other four-letter-ending-in-I standard. So just imagine a call someplace >> early >> in startup that reads information about mirrored address ranges and does: >>
> Does the upcoming[*] ACPI will add a new flag in SRAT tables? just like > memory hotplug. > > #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot > pluggable */ > +#define ACPI_SRAT_MEM_MIRROR (1<<3) /* 03: Memory region is > mirrored */ The choice for this was UEFI - new attribute bit in the GetMemoryMap() return value. UEFI 2.5 has been published with this change and I posted a newer patch 10 days ago: https://lkml.org/lkml/2015/5/8/521 -Tony -- 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/