CONFIG_DVB_MMAP: Enable DVB memory-mapped API (EXPERIMENTAL)

General informations

The Linux kernel configuration item CONFIG_DVB_MMAP has multiple definitions:

Enable DVB memory-mapped API (EXPERIMENTAL) found in drivers/media/dvb-core/Kconfig

The configuration item CONFIG_DVB_MMAP:

• prompt: Enable DVB memory-mapped API (EXPERIMENTAL)
• type: bool
• depends on: ( CONFIG_DVB_CORE ) && ( CONFIG_VIDEO_DEV = CONFIG_y || CONFIG_VIDEO_DEV = CONFIG_DVB_CORE )
• defined in drivers/media/dvb-core/Kconfig
• found in Linux kernels: 5.8–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

This option enables DVB experimental memory-mapped API, which reduces the number of context switches to read DVB buffers, as the buffers can use mmap() syscalls.

Support for it is experimental. Use with care. If unsure, say N.

Enable DVB memory-mapped API (EXPERIMENTAL) found in drivers/media/Kconfig

The configuration item CONFIG_DVB_MMAP:

• prompt: Enable DVB memory-mapped API (EXPERIMENTAL)
• type: bool
• depends on: ( CONFIG_DVB_CORE ) && ( CONFIG_VIDEO_V4L2 = CONFIG_y || CONFIG_VIDEO_V4L2 = CONFIG_DVB_CORE )
• defined in drivers/media/Kconfig
• found in Linux kernels: 4.16–4.20, 5.0–5.7

Help text

This option enables DVB experimental memory-mapped API, which reduces the number of context switches to read DVB buffers, as the buffers can use mmap() syscalls.

Support for it is experimental. Use with care. If unsure, say N.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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