Messages in this thread | | | Date | Mon, 20 Aug 2018 10:59:18 -0700 | From | Srikar Dronamraju <> | Subject | Re: [PATCH v7 1/2] powerpc: Detect the presence of big-cores via "ibm,thread-groups" |
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* Gautham R. Shenoy <ego@linux.vnet.ibm.com> [2018-08-20 11:11:43]:
> From: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com> > > On IBM POWER9, the device tree exposes a property array identifed by one small nit: s/identifed/identified/g
> "ibm,thread-groups" which will indicate which groups of threads share > a particular set of resources. > > As of today we only have one form of grouping identifying the group of > threads in the core that share the L1 cache, translation cache and > instruction data flow. > > This patch defines the helper function to parse the contents of > "ibm,thread-groups" and a new structure to contain the parsed output. > > The patch also creates the sysfs file named "small_core_siblings" that > returns the physical ids of the threads in the core that share the L1 > cache, translation cache and instruction data flow. > > Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Otherwise looks good to me.
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
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