Messages in this thread Patch in this message | | | Date | Thu, 17 Nov 2016 10:45:57 +0100 | From | Borislav Petkov <> | Subject | [PATCH -v1.1] 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: Thomas Gleixner <tglx@linutronix.de> Cc: Yazen Ghannam <yazen.ghannam@amd.com> --- Documentation/x86/topology.txt | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/Documentation/x86/topology.txt b/Documentation/x86/topology.txt index 06afac252f5b..f3e9d7e9ed6c 100644 --- a/Documentation/x86/topology.txt +++ b/Documentation/x86/topology.txt @@ -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 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: -- 2.10.0
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
| |