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d053e71ac8
If the kernel is not compiled with CONFIG_ARM64_PTR_AUTH_KERNEL=y, then no PACI/AUTI instructions are expected while the kernel is running so the kernel's key will not be used. Write of a system registers is expensive therefore avoid if not required. Signed-off-by: Daniel Kiss <daniel.kiss@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20210613092632.93591-3-daniel.kiss@arm.com Signed-off-by: Will Deacon <will@kernel.org>
152 lines
4.6 KiB
152 lines
4.6 KiB