[PATCH v10 4/5] arm64: mte: introduce a per-CPU tag checking mode preference

[Will Deacon]

On Tue, Jul 13, 2021 at 04:48:00PM -0700, Peter Collingbourne wrote:
> Add a per-CPU sysfs node, mte_tcf_preferred, that allows the preferred
> tag checking mode to be configured. The current possible values are
> async and sync.
> 
> Link: https://linux-review.googlesource.com/id/I7493dcd533a2785a1437b16c3f6b50919f840854
> Signed-off-by: Peter Collingbourne <pcc at google.com>
> Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>
> ---
> v10:
> - stop calling smp_call_function_single
> 
>  arch/arm64/kernel/mte.c | 65 +++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 63 insertions(+), 2 deletions(-)

Acked-by: Will Deacon <will at kernel.org>

Will