On Fri, Aug 23, 2013 at 01:08:56PM -0700, Yinghai Lu wrote: > On Fri, Aug 23, 2013 at 11:25 AM, H. Peter Anvin <h...@zytor.com> wrote: > > > > BRK makes sense as long as you can set a sane O(1) size limit. > > > >> > >>put the acpi override table in BRK, we still need ok from HPA. > >>I have impression that he did not like it, so want to confirm from him. > > on 8 sockets system: > -rw-r--r-- 1 root root 3532 Aug 22 10:26 APIC.dat > -rw-r--r-- 1 root root 48 Aug 22 10:26 BDAT.dat > -rw-r--r-- 1 root root 824 Aug 22 10:26 DMAR.dat > -rw-r--r-- 1 root root 83509 Aug 22 10:26 DSDT.dat > -rw-r--r-- 1 root root 244 Aug 22 10:26 FACP.dat > -rw-r--r-- 1 root root 64 Aug 22 10:26 FACS.dat > -rw-r--r-- 1 root root 68 Aug 22 10:26 FPDT.dat > -rw-r--r-- 1 root root 56 Aug 22 10:26 HPET.dat > -rw-r--r-- 1 root root 304 Aug 22 10:26 MCEJ.dat > -rw-r--r-- 1 root root 60 Aug 22 10:26 MCFG.dat > -rw-r--r-- 1 root root 6712 Aug 22 10:26 MPST.dat > -rw-r--r-- 1 root root 232 Aug 22 10:26 MSCT.dat > -rw-r--r-- 1 root root 172 Aug 22 10:26 PCCT.dat > -rw-r--r-- 1 root root 96 Aug 22 10:26 PMCT.dat > -rw-r--r-- 1 root root 48 Aug 22 10:26 RASF.dat > -rw-r--r-- 1 root root 108 Aug 22 10:26 SLIT.dat > -rw-r--r-- 1 root root 80 Aug 22 10:26 SPCR.dat > -rw-r--r-- 1 root root 65 Aug 22 10:26 SPMI.dat > -rw-r--r-- 1 root root 6448 Aug 22 10:26 SRAT.dat > -rw-r--r-- 1 root root 100 Aug 22 10:26 SSDT1.dat > -rw-r--r-- 1 root root 283527 Aug 22 10:26 SSDT2.dat > -rw-r--r-- 1 root root 66 Aug 22 10:26 UEFI.dat > -rw-r--r-- 1 root root 64 Aug 22 10:26 WDDT.dat > > assume for 32sockets will have four times bigger with DSDT and SSDT. > (with more pci and cpus) > > So we can not have O(1) the size. > > Russ, What is ACPI table size on your big machine?
This is from a 255 socket, 4080 cpu, 15TB system. ------------------------------------------------------- -rw-r--r-- 1 root root 65392 Aug 23 21:23 apic.dat -rw-r--r-- 1 root root 316 Aug 23 21:23 dmar.dat -rw-r--r-- 1 root root 8309249 Aug 23 21:23 dsdt.dat -rw-r--r-- 1 root root 244 Aug 23 21:23 facp.dat -rw-r--r-- 1 root root 64 Aug 23 21:23 facs.dat -rw-r--r-- 1 root root 56 Aug 23 21:23 hpet.dat -rw-r--r-- 1 root root 4172 Aug 23 21:23 mcfg.dat -rw-r--r-- 1 root root 36 Aug 23 21:23 rsdp.dat -rw-r--r-- 1 root root 80 Aug 23 21:23 rsdt.dat -rw-r--r-- 1 root root 65069 Aug 23 21:23 slit.dat -rw-r--r-- 1 root root 80 Aug 23 21:23 spcr.dat -rw-r--r-- 1 root root 108168 Aug 23 21:23 srat.dat -rw-r--r-- 1 root root 21330 Aug 23 21:23 ssdt.dat -rw-r--r-- 1 root root 92 Aug 23 21:23 uefi1.dat -rw-r--r-- 1 root root 298 Aug 23 21:23 uefi.dat -rw-r--r-- 1 root root 124 Aug 23 21:23 xsdt.dat ------------------------------------------------------- -- Russ Anderson, OS RAS/Partitioning Project Lead SGI - Silicon Graphics Inc r...@sgi.com -- 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/
