hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

x86/topology: Document cpu_llc_id 

It means different things on Intel and AMD so write it down so that
there's no confusion.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Yazen Ghannam <yazen.ghannam@amd.com>
Link: http://lkml.kernel.org/r/20161117094557.jm6hwzdd52h7iwnj@pd.tnic
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Borislav Petkov 2016-11-17 10:45:57 +01:00 committed by Ingo Molnar
parent 59107e2f48
commit a268b5f1d6
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
Documentation/x86/topology.txt
View File

@ -63,6 +63,15 @@ The topology of a system is described in the units of:
The maximum possible number of packages in the system. Helpful for per The maximum possible number of packages in the system. Helpful for per
package facilities to preallocate per package information. package facilities to preallocate per package information.
- cpu_llc_id:
A per-CPU variable containing:
- On Intel, the first APIC ID of the list of CPUs sharing the Last Level
Cache
- On AMD, the Node ID or Core Complex ID containing the Last Level
Cache. In general, it is a number identifying an LLC uniquely on the
system.
* Cores: * Cores: