[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb
- To: Christoph Hellwig <hch@xxxxxx>
- From: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Date: Thu, 3 Mar 2022 14:49:29 -0800 (PST)
- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, Anshuman Khandual <anshuman.khandual@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, tboot-devel@xxxxxxxxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx
- Delivery-date: Thu, 03 Mar 2022 22:49:35 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Thu, 3 Mar 2022, Christoph Hellwig wrote:
> On Wed, Mar 02, 2022 at 05:25:10PM -0800, Stefano Stabellini wrote:
> > Thinking more about it we actually need to drop the xen_initial_domain()
> > check otherwise some cases won't be functional (Dom0 not 1:1 mapped, or
> > DomU 1:1 mapped).
>
> Hmm, but that would be the case even before this series, right?
Before this series we only have the xen_swiotlb_detect() check in
xen_mm_init, we don't have a second xen_initial_domain() check.
The issue is that this series is adding one more xen_initial_domain()
check in xen_mm_init.
|
