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Re: [PATCH v7 01/15] swiotlb: Refactor swiotlb init functions
- To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
- From: Claire Chang <tientzu@xxxxxxxxxxxx>
- Date: Tue, 25 May 2021 11:08:03 +0800
- Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>, Rob Herring <robh+dt@xxxxxxxxxx>, mpe@xxxxxxxxxxxxxx, Joerg Roedel <joro@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Frank Rowand <frowand.list@xxxxxxxxx>, boris.ostrovsky@xxxxxxxxxx, jgross@xxxxxxxx, Christoph Hellwig <hch@xxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, benh@xxxxxxxxxxxxxxxxxxx, paulus@xxxxxxxxx, "list@xxxxxxx:IOMMU DRIVERS" <iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx>, sstabellini@xxxxxxxxxx, Robin Murphy <robin.murphy@xxxxxxx>, grant.likely@xxxxxxx, xypron.glpk@xxxxxx, Thierry Reding <treding@xxxxxxxxxx>, mingo@xxxxxxxxxx, bauerman@xxxxxxxxxxxxx, peterz@xxxxxxxxxxxxx, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>, Saravana Kannan <saravanak@xxxxxxxxxx>, "Rafael J . Wysocki" <rafael.j.wysocki@xxxxxxxxx>, heikki.krogerus@xxxxxxxxxxxxxxx, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>, Randy Dunlap <rdunlap@xxxxxxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>, linux-devicetree <devicetree@xxxxxxxxxxxxxxx>, lkml <linux-kernel@xxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, Nicolas Boichat <drinkcat@xxxxxxxxxxxx>, Jim Quinlan <james.quinlan@xxxxxxxxxxxx>, Tomasz Figa <tfiga@xxxxxxxxxxxx>, bskeggs@xxxxxxxxxx, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, chris@xxxxxxxxxxxxxxxxxx, Daniel Vetter <daniel@xxxxxxxx>, airlied@xxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, jani.nikula@xxxxxxxxxxxxxxx, Jianxiong Gao <jxgao@xxxxxxxxxx>, joonas.lahtinen@xxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx, maarten.lankhorst@xxxxxxxxxxxxxxx, matthew.auld@xxxxxxxxx, rodrigo.vivi@xxxxxxxxx, thomas.hellstrom@xxxxxxxxxxxxxxx
- Delivery-date: Tue, 25 May 2021 03:14:59 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, May 24, 2021 at 11:53 PM Konrad Rzeszutek Wilk
<konrad.wilk@xxxxxxxxxx> wrote:
>
> > > do the set_memory_decrypted()+memset(). Is this okay or should
> > > swiotlb_init_io_tlb_mem() add an additional argument to do this
> > > conditionally?
> >
> > I'm actually not sure if this it okay. If not, will add an additional
> > argument for it.
>
> Any observations discovered? (Want to make sure my memory-cache has the
> correct semantics for set_memory_decrypted in mind).
It works fine on my arm64 device.
> >
> > > --
> > > Florian
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