CONFIG_SW_SYNC: Sync File Validation Framework

General informations

The Linux kernel configuration item CONFIG_SW_SYNC has multiple definitions:

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

The configuration item CONFIG_SW_SYNC:

• prompt: Sync File Validation Framework
• type: bool
• depends on: ( CONFIG_SYNC_FILE ) && ( CONFIG_DEBUG_FS )
• defined in drivers/dma-buf/Kconfig
• found in Linux kernels: 4.9–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD

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 framework found in drivers/staging/android/Kconfig

The configuration item CONFIG_SW_SYNC:

• prompt: Software synchronization framework
• type: bool
• depends on: ( CONFIG_SYNC_FILE ) && ( CONFIG_DEBUG_FS )
• defined in drivers/staging/android/Kconfig
• found in Linux kernels: 4.8

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:

• prompt: Software synchronization objects
• type: bool
• depends on: ( CONFIG_SYNC ) && ( CONFIG_SYNC_FILE )
• defined in drivers/staging/android/Kconfig
• found in Linux kernels: 3.10–3.19, 4.0–4.7

Help text

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

Hardware

LKDDb

Raw data from LKDDb:

• (none)

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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