Emulate Privileged Access Never using TTBR0_EL1 switching
configname: CONFIG_ARM64_SW_TTBR0_PAN
Linux Kernel Configuration
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Kernel Features
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Emulate Privileged Access Never using TTBR0_EL1 switching
Enabling this option prevents the kernel from accessing
user-space memory directly by pointing TTBR0_EL1 to a reserved
zeroed area and reserved ASID. The user access routines
restore the valid TTBR0_EL1 temporarily.
user-space memory directly by pointing TTBR0_EL1 to a reserved
zeroed area and reserved ASID. The user access routines
restore the valid TTBR0_EL1 temporarily.