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SubjectRe: [PATCH] docs: document the sysfs ABI for "nohz_full" and "isolated"
On Wed, Dec 01, 2021 at 04:18:52PM +0900, Kohei Tarumizu wrote:
> Add missing documentation of sysfs ABI for "nohz_full" and "isolated".
> "nohz_full" was added by commit 6570a9a1ce3a("show nohz_full cpus in
> sysfs") and "isolated" was added by commit 59f30abe94bf("show isolated
> cpus in sysfs"). However, there is no documentation for these
> interface.
>
> Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
> ---
> Documentation/ABI/testing/sysfs-devices-system-cpu | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
> index 69c65da16dff..a9d5d87b6a41 100644
> --- a/Documentation/ABI/testing/sysfs-devices-system-cpu
> +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
> @@ -666,3 +666,16 @@ Description: Preferred MTE tag checking mode
> ================ ==============================================
>
> See also: Documentation/arm64/memory-tagging-extension.rst
> +
> +What: /sys/devices/system/cpu/nohz_full
> + /sys/devices/system/cpu/isolated
> +Date: Apr 2015
> +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
> +Description: information about CPU isolation.
> +
> + nohz_full: (RO) the list of CPUs that are in nohz_full mode.
> + These CPUs are set by boot parameter "nohz_full=".
> +
> + isolated: (RO) the list of CPUs that are isolated and don't
> + participate in load balancing. These CPUs are set by
> + boot parameter "isolcpus=".

These should be two different entries, not one please.

thanks,

greg k-h

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