[PATCH v3 02/17] arm64: Detect the ARMv8.4 TTL feature

Catalin Marinas catalin.marinas at arm.com
Mon Jul 6 13:24:06 EDT 2020


On Mon, Jul 06, 2020 at 01:54:10PM +0100, Marc Zyngier wrote:
> In order to reduce the cost of TLB invalidation, the ARMv8.4 TTL
> feature allows TLBs to be issued with a level allowing for quicker
> invalidation.
> 
> Let's detect the feature for now. Further patches will implement
> its actual usage.
> 
> Reviewed-by : Suzuki K Polose <suzuki.poulose at arm.com>
> Signed-off-by: Marc Zyngier <maz at kernel.org>

It looks like I had a reviewed-by in the other series [1]. Feel free to
add it here as well:

Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>

[1] https://lore.kernel.org/linux-arm-kernel/20200625080314.230-1-yezhenyu2@huawei.com/



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