[PATCH v2] arm64: dbm: Invalidate local TLB when setting TCR_EL1.HD

[Catalin Marinas]

On Thu, Oct 01, 2020 at 12:04:05PM +0100, Will Deacon wrote:
> TCR_EL1.HD is permitted to be cached in a TLB, so invalidate the local
> TLB after setting the bit when detected support for the feature. Although
> this isn't strictly necessary, since we can happily operate with the bit
> effectively clear, the current code uses an ISB in a half-hearted attempt
> to make the change effective, so let's just fix that up.
> 
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Signed-off-by: Will Deacon <will at kernel.org>

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