Re: [PATCH 4/7] x86: remove a stray reference to pci-nommu.c
From: Thomas Gleixner
Date: Sat May 26 2018 - 15:23:26 EST
On Fri, 25 May 2018, Christoph Hellwig wrote:
Subject should be: Documentation/x86: Remove .....
please
> This is just the minimal workaround. The file file is mostly either stale
file file?
> and/or duplicative of Documentation/admin-guide/kernel-parameters.txt,
> but that is much more work than I'm willing to do right now.
Yeah, this thing is on the todo list ...
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Other than the above nits:
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> ---
> Documentation/x86/x86_64/boot-options.txt | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
> index b297c48389b9..153b3a57fba2 100644
> --- a/Documentation/x86/x86_64/boot-options.txt
> +++ b/Documentation/x86/x86_64/boot-options.txt
> @@ -187,9 +187,9 @@ PCI
>
> IOMMU (input/output memory management unit)
>
> - Currently four x86-64 PCI-DMA mapping implementations exist:
> + Multiple x86-64 PCI-DMA mapping implementations exist, for example:
>
> - 1. <arch/x86_64/kernel/pci-nommu.c>: use no hardware/software IOMMU at all
> + 1. <lib/dma-direct.c>: use no hardware/software IOMMU at all
> (e.g. because you have < 3 GB memory).
> Kernel boot message: "PCI-DMA: Disabling IOMMU"
>
> --
> 2.17.0
>
>