CONFIG_IBM_BSR: IBM POWER Barrier Synchronization Register support

General informations

The Linux kernel configuration item CONFIG_IBM_BSR:

• prompt: IBM POWER Barrier Synchronization Register support
• type: tristate
• depends on: CONFIG_PPC_PSERIES
• defined in drivers/char/Kconfig
• found in Linux kernels: 2.6.27–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD
• modules built: bsr

Help text

This devices exposes a hardware mechanism for fast synchronization of threads across a large system which avoids bouncing a cacheline between several cores on a system

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module bsr CONFIG_IBM_BSR : drivers/char/Kconfig : "IBM POWER Barrier Synchronization Register support" # in 2.6.27–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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