[PATCH v9 4/4] Documentation: document the preferred tag checking mode feature

[Will Deacon]

On Fri, Jul 02, 2021 at 12:41:10PM -0700, Peter Collingbourne wrote:
> Document the functionality added in the previous patches.
> 
> Link: https://linux-review.googlesource.com/id/I48217cc3e8b8da33abc08cbaddc11cf4360a1b86
> Signed-off-by: Peter Collingbourne <pcc at google.com>
> Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>
> ---
> v9:
> - add documentation for sysfs node under Documentation/ABI
> 
>  .../ABI/testing/sysfs-devices-system-cpu      | 16 +++++++
>  .../arm64/memory-tagging-extension.rst        | 48 ++++++++++++++++---
>  2 files changed, 57 insertions(+), 7 deletions(-)
> 
> diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
> index fe13baa53c59..195587b7c7ec 100644
> --- a/Documentation/ABI/testing/sysfs-devices-system-cpu
> +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
> @@ -640,3 +640,19 @@ Description:	SPURR ticks for cpuX when it was idle.
>  
>  		This sysfs interface exposes the number of SPURR ticks
>  		for cpuX when it was idle.
> +
> +What: 		/sys/devices/system/cpu/cpuX/mte_tcf_preferred
> +Date:		Jul 2021

nit: Seems like the other entries here spell out the full name of the month.

With that fixed:

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

Will