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fdf6e7a8c9
When enabling ITS NUMA support on D05, I got the boot log:
[ 0.000000] SRAT: PXM 0 -> ITS 0 -> Node 0
[ 0.000000] SRAT: PXM 0 -> ITS 1 -> Node 0
[ 0.000000] SRAT: PXM 0 -> ITS 2 -> Node 0
[ 0.000000] SRAT: PXM 1 -> ITS 3 -> Node 1
[ 0.000000] SRAT: ITS affinity exceeding max count[4]
This is wrong on D05 as we have 8 ITSs with 4 NUMA nodes.
So dynamically alloc the memory needed instead of using
its_srat_maps[MAX_NUMNODES], which count the number of
ITS entry(ies) in SRAT and alloc its_srat_maps as needed,
then build the mapping of numa node to ITS ID. Of course,
its_srat_maps will be freed after ITS probing because
we don't need that after boot.
After doing this, I got what I wanted:
[ 0.000000] SRAT: PXM 0 -> ITS 0 -> Node 0
[ 0.000000] SRAT: PXM 0 -> ITS 1 -> Node 0
[ 0.000000] SRAT: PXM 0 -> ITS 2 -> Node 0
[ 0.000000] SRAT: PXM 1 -> ITS 3 -> Node 1
[ 0.000000] SRAT: PXM 2 -> ITS 4 -> Node 2
[ 0.000000] SRAT: PXM 2 -> ITS 5 -> Node 2
[ 0.000000] SRAT: PXM 2 -> ITS 6 -> Node 2
[ 0.000000] SRAT: PXM 3 -> ITS 7 -> Node 3
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
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| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.