Re: [PATCH v4 7/7] iommu/amd: Provide kernel command line option to enable GAPPI

From: Randy Dunlap

Date: Fri Aug 21 2026 - 02:13:53 EST




On 8/20/26 10:56 PM, Sairaj Kodilkar wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 97007f4f69d4..7bea1bbaa0e0 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -455,7 +455,8 @@ Kernel parameters
> to 4 KiB.
> v2_pgsizes_only - Limit page-sizes used for v1 page-tables
> to 4KiB/2Mib/1GiB.
> -
> + gappi - Use GAPPI instead of GALOG for vCPU
> + wakeup notification.

Is GALOG documented somewhere? Should it be?
I can't find it...

thanks.
--
~Randy