arm64: uaccess: Add PAN helper

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Add __uaccess_{en,dis}able_hw_pan() helpers to set/clear the PSTATE.PAN
bit.

Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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James Morse 2018-01-08 15:38:11 +00:00 • committed by Catalin Marinas

parent ed8b20d457

commit e1281f56f1

2 changed files with 14 additions and 2 deletions

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12

arch/arm64/include/asm/uaccess.h

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4

arch/arm64/kernel/suspend.c

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