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CONFIG_X86_PAT: x86 PAT support

General informations

The Linux kernel configuration item CONFIG_X86_PAT:

• prompt: x86 PAT support
• type: bool
• depends on: ( CONFIG_EXPERT ) && ( CONFIG_MTRR )
• defined in arch/x86/Kconfig
• found in Linux kernels: 2.6.26–2.6.39, 3.0–3.9, 3.10-rc+HEAD

Help text

Use PAT attributes to setup page level cache control.

PATs are the modern equivalents of MTRRs and are much more flexible than MTRRs.

Say N here if you see bootup problems (boot crash, boot hang, spontaneous reboots) or a non-working video driver.

If unsure, say Y.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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