Re: [PATCH] Documentation: Add "S390" to the swiotlb kernel parameter

Claudio Imbrenda
2024-06-14T12:39:58Z

On Fri, 14 Jun 2024 10:14:38 +0200
Thomas Huth <thuth@redhat.com> wrote:

> The "swiotlb" kernel parameter is used on s390 for protected virt since
> commit 64e1f0c531d1 ("s390/mm: force swiotlb for protected virtualization")
> and thus should be marked in kernel-parameters.txt accordingly.
>
> Signed-off-by: Thomas Huth <thuth@redhat.com>

Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com>

> ---
> PS: I wonder whether we could remove IA-64 nowadays...?
>
> Documentation/admin-guide/kernel-parameters.txt | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index b600df82669d..423427bf6e49 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -6548,7 +6548,7 @@
> This parameter controls use of the Protected
> Execution Facility on pSeries.
>
> - swiotlb= [ARM,IA-64,PPC,MIPS,X86,EARLY]
> + swiotlb= [ARM,IA-64,PPC,MIPS,X86,S390,EARLY]
> Format: { <int> [,<int>] | force | noforce }
> <int> -- Number of I/O TLB slabs
> <int> -- Second integer after comma. Number of swiotlb