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CONFIG_SW_SYNC: Software synchronization objects

General informations

The Linux kernel configuration item CONFIG_SW_SYNC has multiple definitions:

Software synchronization framework found in drivers/staging/android/Kconfig

The configuration item CONFIG_SW_SYNC:

Help text

A sync object driver that uses a 32bit counter to coordinate synchronization. Useful when there is no hardware primitive backing the synchronization.

WARNING: improper use of this can result in deadlocking kernel drivers from userspace. Intended for test and debug only.

Software synchronization objects found in drivers/staging/android/Kconfig

The configuration item CONFIG_SW_SYNC:

Help text

A sync object driver that uses a 32bit counter to coordinate synchronization. Useful when there is no hardware primitive backing the synchronization.

Sync File Validation Framework found in drivers/dma-buf/Kconfig

The configuration item CONFIG_SW_SYNC:

Help text

A sync object driver that uses a 32bit counter to coordinate synchronization. Useful when there is no hardware primitive backing the synchronization.

WARNING: improper use of this can result in deadlocking kernel drivers from userspace. Intended for test and debug only.

Hardware

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