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Re: [PATCH 2/4] x86: always initialize xen-swiotlb when xen-pcifront is enabling
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Fri, 19 May 2023 14:58:57 +0200
- Cc: Christoph Hellwig <hch@xxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ben Skeggs <bskeggs@xxxxxxxxxx>, Karol Herbst <kherbst@xxxxxxxxxx>, Lyude Paul <lyude@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, nouveau@xxxxxxxxxxxxxxxxxxxxx
- Delivery-date: Fri, 19 May 2023 12:59:18 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Fri, May 19, 2023 at 01:49:46PM +0100, Andrew Cooper wrote:
> > The alternative would be to finally merge swiotlb-xen into swiotlb, in
> > which case we might be able to do this later. Let me see what I can
> > do there.
>
> If that is an option, it would be great to reduce the special-cashing.
I think it's doable, and I've been wanting it for a while. I just
need motivated testers, but it seems like I just found at least two :)
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